subject:(light)

Cornell University

1. Uesugi, Aaron. Mechanisms Of Inactivation And Microbial Inactivation Kinetics In The Pulsed Light Treatment Of Foods.

Degree: PhD, Food Science and Technology, 2011, Cornell University

URL: http://hdl.handle.net/1813/29214

► Pulsed Light technology utilizes high powered pulses of broad spectrum light to reduce microorganisms on food and food contact surfaces. While previous research has shown… (more)

▼ Pulsed Light technology utilizes high powered pulses of broad spectrum light to reduce microorganisms on food and food contact surfaces. While previous research has shown Pulsed Light to be effective at reducing various microorganisms on a variety of substrates, a better understanding of inactivation kinetics, pairing Pulsed Light with other antimicrobial treatments, and the cellular effect of Pulsed Light treatment will provide better insight into potential opportunities for future use of this technology. Inactivation of Listeria innocua in liquid suspensions and on the surface of stainless steel showed pronounced tailing. The utilization of the Weibull model accurately predicted inactivation in clear liquids but overestimated Pulsed Light‟s effectiveness on stainless steel surfaces where complex surface properties as well as inoculum size were of significant influence. The combination of Pulsed Light with the antimicrobial nisin was able to reach reductions of 4 to 5 log CFU/sausage of Listeria on the surface of sausages, extending storage from 8 day for individual treatments to 28 to 48 days suggesting that Pulsed Light in combination with additional antimicrobials can effectively reduce surface contamination of ready-to-eat foods. To evaluate the potential for repeated Pulsed Light exposure to lead to changes in growth and resistance behavior of survivors, L. monocytogenes, L. innocua, and E. coli were exposed to both low (1.1 J/cm2) and high (10.1 J/cm2) levels of Pulsed Light and survivors were recovered and subsequently treated for 10 cycles of exposure and recovery. Isolates of all three organisms did not show changes in growth kinetics or resistance after multiple exposures when compared to untreated cells at either low or high fluence levels. Reduction levels of 3-4 and 5-6 log CFU/ml were obtained after exposure to 1.1 and 10.1 J/cm2, respectively, for the untreated control and the repeatedly treated and recovered isolates. Whole genome microarray analysis showed increased transcription levels for stress related proteins, motility, and transcriptional regulators following both Pulsed Light and UV light. Removing the UV spectrum of Pulsed Light lead to no differences between treated and untreated samples and showed a downregulation in motility and cell membrane associated genes as well as no increases in stress response genes following exposure, suggesting that the mechanism of inactivation is related to the UV portion of Pulsed Light and the visible and NIR spectrum do not play a role in cell inactivation. Advisors/Committee Members: Moraru, Carmen I (chair), Worobo, Randy W. (committee member), Novakovic, Andrew Milovan (committee member).

Subjects/Keywords: Pulsed Light; UV Light; Listeria

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Uesugi, A. (2011). Mechanisms Of Inactivation And Microbial Inactivation Kinetics In The Pulsed Light Treatment Of Foods. (Doctoral Dissertation). Cornell University. Retrieved from http://hdl.handle.net/1813/29214

Chicago Manual of Style (16^th Edition):

Uesugi, Aaron. “Mechanisms Of Inactivation And Microbial Inactivation Kinetics In The Pulsed Light Treatment Of Foods.” 2011. Doctoral Dissertation, Cornell University. Accessed March 04, 2021. http://hdl.handle.net/1813/29214.

MLA Handbook (7^th Edition):

Uesugi, Aaron. “Mechanisms Of Inactivation And Microbial Inactivation Kinetics In The Pulsed Light Treatment Of Foods.” 2011. Web. 04 Mar 2021.

Vancouver:

Uesugi A. Mechanisms Of Inactivation And Microbial Inactivation Kinetics In The Pulsed Light Treatment Of Foods. [Internet] [Doctoral dissertation]. Cornell University; 2011. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1813/29214.

Council of Science Editors:

Uesugi A. Mechanisms Of Inactivation And Microbial Inactivation Kinetics In The Pulsed Light Treatment Of Foods. [Doctoral Dissertation]. Cornell University; 2011. Available from: http://hdl.handle.net/1813/29214

University of New South Wales

2. Mallo, Neil. Visible light-responsive photoswitches.

Degree: Chemistry, 2019, University of New South Wales

URL: http://handle.unsw.edu.au/1959.4/61724

► The structure and properties of photochromic compounds can be altered with light. These photoswitches are ideally addressed with visible light. Various switching motifs are known,… (more)

▼ The structure and properties of photochromic compounds can be altered with light. These photoswitches are ideally addressed with visible light. Various switching motifs are known, each with a different response to light. Donor-Acceptor Stenhouse Adducts (DASAs) re-emerged as visible light responsive photoswitches in 2014, and have already found numerous applications. These molecules can be isomerised with green light between a coloured linear form and a colourless cyclic form.One of the major limitations of these compounds was the range of solvents in which reversible isomerisation is possible. Reversible switching of the initially reported DASAs was only demonstrated in apolar solvents. With the work described in this thesis, isomerisation in a wide range in polar organic solvents is possible. The introduction of aniline-based DASAs, recognised as ‘second generation’ DASAs, led to reversible switching possible in chloroform and acetonitrile. However, the improved photocyclisation comes at the cost of the thermal equilibrium, and large fractions of the cyclic isomer remain present in the dark. Further advances towards switching in water have been made by altering the acceptor group and the first examples of reversible isomerisation in the polar solvents ethanol and DMSO are demonstrated.Establishing a structure-function relationship on ‘first generation’ DASAs has found minor changes in the structure can render these compounds excellent switches in common solvents such as chloroform. This work provides a guideline for the rational design of new compounds. The minor isomers found in solution have been identified and their role towards cyclisation has been studied. Although overlooked in the literature, these minor linear isomers could be part of an alternative path of isomerisation. In solution the cyclic isomer can be present as two tautomeric structures, depending on amine donor, solvent and concentration. For some applications the delicate difference between the two tautomers may have a significant effect on the functionality of the switch, and rational design of the DASA can vastly improve photoinduced changes. Advisors/Committee Members: Beves, Jonathon, Chemistry, Faculty of Science, UNSW, Thordarson, Pall, Chemistry, Faculty of Science, UNSW.

Subjects/Keywords: Light-responsive; Photoswitch; Visible light

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APA (6^th Edition):

Mallo, N. (2019). Visible light-responsive photoswitches. (Doctoral Dissertation). University of New South Wales. Retrieved from http://handle.unsw.edu.au/1959.4/61724

Chicago Manual of Style (16^th Edition):

Mallo, Neil. “Visible light-responsive photoswitches.” 2019. Doctoral Dissertation, University of New South Wales. Accessed March 04, 2021. http://handle.unsw.edu.au/1959.4/61724.

MLA Handbook (7^th Edition):

Mallo, Neil. “Visible light-responsive photoswitches.” 2019. Web. 04 Mar 2021.

Vancouver:

Mallo N. Visible light-responsive photoswitches. [Internet] [Doctoral dissertation]. University of New South Wales; 2019. [cited 2021 Mar 04]. Available from: http://handle.unsw.edu.au/1959.4/61724.

Council of Science Editors:

Mallo N. Visible light-responsive photoswitches. [Doctoral Dissertation]. University of New South Wales; 2019. Available from: http://handle.unsw.edu.au/1959.4/61724

3. Lanman, Douglas Robert. Mask-based Light Field Capture and Display.

Degree: PhD, Electrical Science and Computer Engineering, 2011, Brown University

URL: https://repository.library.brown.edu/studio/item/bdr:11197/

► This dissertation describes light-efficient methods for capturing and displaying 3D images using thin, optically-attenuating masks. Light transport is modeled, under geometrical optics, as a 4D… (more)

▼ This dissertation describes light-efficient methods for capturing and displaying 3D images using thin, optically-attenuating masks. Light transport is modeled, under geometrical optics, as a 4D function: the light field; this function records the amount of light traveling through any point along any direction. Conventional photographs only record a 2D projection of the incident light field. Each image point is produced by integrating over the full hemisphere of incidence angles. Similarly, conventional displays only approximate a diffuse surface, where the amount of light leaving any point is constant over the full hemisphere of viewing angles. Thus, conventional cameras and displays only support 2D images, for which the perception of scene depth is lost.3D images can be captured and displayed by including masks in conventional camera and display architectures. Parallax barriers are one example; a mask containing a uniform array of slits is placed slightly in front of a conventional display. This mask only allows certain disjoint display regions to be visible from each viewpoint. 3D image capture is achieved by placing a similar mask close to a sensor. In both cases, 3D images come at the cost of decreased resolution and brightness.This dissertation presents a first-principles analysis of dual-layer camera and display architectures, wherein the first layer is a conventional sensor or display and the second layer is a mask. Novel masks are developed that facilitate 3D image capture and display, outperforming conventional parallax barriers in terms of total light transmission and light field resolution. For 3D capture, a family of static, periodic, non-adaptive masks are derived from a frequency-domain analysis. For 3D display, a linear algebraic analysis reveals a set of time-multiplexed, aperiodic, adaptive masks. Four motivating applications are presented: digital photography, single-shot visual hull reconstruction, depth-sensing LCDs, and 3D display using dual-stacked LCDs. Advisors/Committee Members: Taubin, Gabriel (Director), Mundy, Joseph (Reader), Raskar, Ramesh (Reader).

Subjects/Keywords: Light Fields

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Lanman, D. R. (2011). Mask-based Light Field Capture and Display. (Doctoral Dissertation). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:11197/

Chicago Manual of Style (16^th Edition):

Lanman, Douglas Robert. “Mask-based Light Field Capture and Display.” 2011. Doctoral Dissertation, Brown University. Accessed March 04, 2021. https://repository.library.brown.edu/studio/item/bdr:11197/.

MLA Handbook (7^th Edition):

Lanman, Douglas Robert. “Mask-based Light Field Capture and Display.” 2011. Web. 04 Mar 2021.

Vancouver:

Lanman DR. Mask-based Light Field Capture and Display. [Internet] [Doctoral dissertation]. Brown University; 2011. [cited 2021 Mar 04]. Available from: https://repository.library.brown.edu/studio/item/bdr:11197/.

Council of Science Editors:

Lanman DR. Mask-based Light Field Capture and Display. [Doctoral Dissertation]. Brown University; 2011. Available from: https://repository.library.brown.edu/studio/item/bdr:11197/

Addis Ababa University

4. Yibeltal, Siyum. Two-Mode Coherent and Subharmonic Light Beams .

Degree: 2012, Addis Ababa University

URL: http://etd.aau.edu.et/dspace/handle/123456789/1424

► Applying c-number Langevin equations, we have calculated the Q function for the two- mode coherent and subharmonic light. We have then determined the Q function… (more)

Subjects/Keywords: Light Beams

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APA (6^th Edition):

Yibeltal, S. (2012). Two-Mode Coherent and Subharmonic Light Beams . (Thesis). Addis Ababa University. Retrieved from http://etd.aau.edu.et/dspace/handle/123456789/1424

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Yibeltal, Siyum. “Two-Mode Coherent and Subharmonic Light Beams .” 2012. Thesis, Addis Ababa University. Accessed March 04, 2021. http://etd.aau.edu.et/dspace/handle/123456789/1424.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Yibeltal, Siyum. “Two-Mode Coherent and Subharmonic Light Beams .” 2012. Web. 04 Mar 2021.

Vancouver:

Yibeltal S. Two-Mode Coherent and Subharmonic Light Beams . [Internet] [Thesis]. Addis Ababa University; 2012. [cited 2021 Mar 04]. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1424.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Yibeltal S. Two-Mode Coherent and Subharmonic Light Beams . [Thesis]. Addis Ababa University; 2012. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1424

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Guelph

5. Semeniuk, Kent. Gazing Up: An Exploration of Municipal Night Lighting Practices Amongst Six Canadian Municipalities.

Degree: Master of Landscape Architecture, School of Environmental Design and Rural Development, 2014, University of Guelph

URL: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8082

► Light pollution is broadly defined as the unnecessary illumination of the nocturnal environment. Light pollution is a pervasive phenomena shown to have harmful consequences for… (more)

Subjects/Keywords: Light Pollution

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APA (6^th Edition):

Semeniuk, K. (2014). Gazing Up: An Exploration of Municipal Night Lighting Practices Amongst Six Canadian Municipalities. (Masters Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8082

Chicago Manual of Style (16^th Edition):

Semeniuk, Kent. “Gazing Up: An Exploration of Municipal Night Lighting Practices Amongst Six Canadian Municipalities.” 2014. Masters Thesis, University of Guelph. Accessed March 04, 2021. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8082.

MLA Handbook (7^th Edition):

Semeniuk, Kent. “Gazing Up: An Exploration of Municipal Night Lighting Practices Amongst Six Canadian Municipalities.” 2014. Web. 04 Mar 2021.

Vancouver:

Semeniuk K. Gazing Up: An Exploration of Municipal Night Lighting Practices Amongst Six Canadian Municipalities. [Internet] [Masters thesis]. University of Guelph; 2014. [cited 2021 Mar 04]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8082.

Council of Science Editors:

Semeniuk K. Gazing Up: An Exploration of Municipal Night Lighting Practices Amongst Six Canadian Municipalities. [Masters Thesis]. University of Guelph; 2014. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8082

University of Ottawa

6. Bouchard, Frédéric. Classical and Quantum Dynamics of Twisted Light .

Degree: 2016, University of Ottawa

URL: http://hdl.handle.net/10393/35209

► This thesis encompasses a body of experimental work on the dynamics of twisted light. We first deal with the generation and reconstruction of twisted light… (more)

Subjects/Keywords: Twisted light

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bouchard, F. (2016). Classical and Quantum Dynamics of Twisted Light . (Thesis). University of Ottawa. Retrieved from http://hdl.handle.net/10393/35209

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bouchard, Frédéric. “Classical and Quantum Dynamics of Twisted Light .” 2016. Thesis, University of Ottawa. Accessed March 04, 2021. http://hdl.handle.net/10393/35209.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bouchard, Frédéric. “Classical and Quantum Dynamics of Twisted Light .” 2016. Web. 04 Mar 2021.

Vancouver:

Bouchard F. Classical and Quantum Dynamics of Twisted Light . [Internet] [Thesis]. University of Ottawa; 2016. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10393/35209.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bouchard F. Classical and Quantum Dynamics of Twisted Light . [Thesis]. University of Ottawa; 2016. Available from: http://hdl.handle.net/10393/35209

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universidad de Cantabria

7. Sanz Casado, Juan Marcos. Polarimetría de sistemas difusores con microestructuras: efectos de difusión múltiple: Polarimetry of microstructured scattering systems : multiple scattering effects.

Degree: 2011, Universidad de Cantabria

URL: http://hdl.handle.net/10902/1565

► RESUMEN: Definir los parámetros de polarización de la luz procedente de una muestra aporta una mayor información sobre las propiedades de ésta que la simple… (more)

▼ RESUMEN: Definir los parámetros de polarización de la luz procedente de una muestra aporta una mayor información sobre las propiedades de ésta que la simple medida de la intensidad luminosa difundida. Cuando un haz luminoso sufre una perturbación debida a cualquier interacción con un medio, los campos electromagnéticos del haz incidente y el del haz emergente, expresados en términos de los parámetros de Stokes, pueden ser relacionados mediante la denominada matriz de Mueller. En este aspecto, el conocer la evolución de los parámetros de dicha matriz del sistema, nos permitiría definir cómo se comporta éste frente a la luz incidente. Para tal objetivo, se ha puesto a punto un polarímetro dinámico basado en técnicas de Transformada de Fourier, que permite determinar con una sola medida los 16 elementos de la matriz de Mueller. Ésta nos mostrará los cambios sufridos por la polarización del haz incidente debido a su interacción con una muestra problema. Aplicando el método de Descomposición Polar, se puede ver que cualquier sistema puro, con matriz de Mueller M, responde a la siguiente relación: M=R*D, donde R y D simbolizan las matrices de Mueller de un medio Retardador ideal y de un medio Diatenuador ideal, respectivamente. En una versión extendida de éste teorema, teniendo en cuenta que no todos los medios son ideales, sino que hay medios en los que aparecen efectos de despolarización, la descomposición de la matriz de Mueller daría lugar a: M=Z*R*D, tomando Z como la matriz de Mueller de un sistema despolarizante. De esta forma, utilizando algebra matricial, podemos descomponer la matriz de un sistema problema, en matrices de menor complejidad, con un estricto sentido físico. Partiendo de éstos resultados teóricos, y por medio del uso del polarímetro dinámico para la caracterización polarimétrica de los sistemas, se han analizado muestras de diversos tipos: superficies planas microestructuradas, para evaluar el efecto de la composición, tamaño e interacción; suspensiones de micropartículas y nanopartículas en coloide, para caracterizar su tamaño y composición; y sustancias quirales en medios turbios (en éste aspecto, recientemente ha sido demostrada la validez de éste método para el análisis in situ de tejidos biológicos). Asimismo, se han caracterizado componentes ópticos y polarimétricos por transmisión y reflexión, demostrando la validez del método. Finalmente se han llevado a cabo simulaciones computacionales a fin de estudiar patrones de comportamiento en sistemas complejos por medio del método de Descomposición Polar. Advisors/Committee Members: Saiz Vega, José María (advisor), Universidad de Cantabria (other).

Subjects/Keywords: Light scattering

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Sanz Casado, J. M. (2011). Polarimetría de sistemas difusores con microestructuras: efectos de difusión múltiple: Polarimetry of microstructured scattering systems : multiple scattering effects. (Doctoral Dissertation). Universidad de Cantabria. Retrieved from http://hdl.handle.net/10902/1565

Chicago Manual of Style (16^th Edition):

Sanz Casado, Juan Marcos. “Polarimetría de sistemas difusores con microestructuras: efectos de difusión múltiple: Polarimetry of microstructured scattering systems : multiple scattering effects.” 2011. Doctoral Dissertation, Universidad de Cantabria. Accessed March 04, 2021. http://hdl.handle.net/10902/1565.

MLA Handbook (7^th Edition):

Sanz Casado, Juan Marcos. “Polarimetría de sistemas difusores con microestructuras: efectos de difusión múltiple: Polarimetry of microstructured scattering systems : multiple scattering effects.” 2011. Web. 04 Mar 2021.

Vancouver:

Sanz Casado JM. Polarimetría de sistemas difusores con microestructuras: efectos de difusión múltiple: Polarimetry of microstructured scattering systems : multiple scattering effects. [Internet] [Doctoral dissertation]. Universidad de Cantabria; 2011. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10902/1565.

Council of Science Editors:

Sanz Casado JM. Polarimetría de sistemas difusores con microestructuras: efectos de difusión múltiple: Polarimetry of microstructured scattering systems : multiple scattering effects. [Doctoral Dissertation]. Universidad de Cantabria; 2011. Available from: http://hdl.handle.net/10902/1565

8. Pottakis, Nikolas. Η φωτιά και το φως: στο μύθο, στη φιλοσοφία, στην τραγωδία και στη ζωή της πόλης.

Degree: 2015, National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)

URL: http://hdl.handle.net/10442/hedi/35452

►

The thesis analyzes the role of fire and light:1st: In the Myth: It refers to the myths of fire (Prometheus, Hydra, Phoenix), the myth-ratio difference,… (more)

▼

The thesis analyzes the role of fire and light:1st: In the Myth: It refers to the myths of fire (Prometheus, Hydra, Phoenix), the myth-ratio difference, and the association of light with life, death and love. [The body of the living is hot, that of the dead cold. Love inflames].2nd: During the first Enlightenment, according to the Orphics, Fanis or Eros, the god of light, springs from the cosmic egg. Man, a mixture of land and the Titans blood incorporates evil and requires purification by rites with light. For the Pythagoreans, fire is the first of the 10 principles, and the first of the elements of creation. They believe in a "central fire". Empedocles connects fire and light with knowledge ("skotoessa doxa"). Parmenides describes the journey from "opinion" (dark) to truth (light) with the chariot of the sun. Heraclitus introduces ratio in philosophy as fire. The thesis analyzes the principles of flux, enantiodromia, balance of opposites, dispute, harmony.3rd: In classical philosophy: In Plato's Republic the images of the sun, the divided line and the cave are analyzed, so as the problems of "being-appearing", "up-down" (movement as a feature of the soul), education, as "roaming" and "ascent" from the shadow of the cave's fire to sunlight (the good). Τhe fire that does not burn but illuminates and allows vision is distinguished in Timaeus. In the 7th Letter and the Symposium fire (intuitive knowledge) emerges suddenly.For Aristotle, fire is light in the soul. The soul uses mental images ("ghosts"). For the intellect (“ουδέποτε νοεί άνευ φαντάσματος η ψυχή”), the desire (“ορεκτικόν ουκ άνευ φαντασίας”), the choice of action (“πότερον γαρ πράξει, τόδε ή τόδε,…εκ πλειόνων φαντασμάτων ποιείν”). Analyzing the functioning of the imagination (figurative and creative) and the shape of testing the action in thought, adopted later by Freud and neuropsychology.4th: At games (Olympic or local, sports, drama, speech, music), rituals, torch races and celebrations. Laxative in cities and forests, with dances, songs, lit torches (with Maenads, Bacchae, Koryvantes, Kavirous)."Transition" celebrations (of birth, marriage, death). Celebrations of love and fertilization (of rain, sowing, vegetation)5th: In their symbolic: Fire and light were used as symbols of gods, life, truth, beauty, hope, joy, catharsis, dispute, anger, love , freedom. And the thesis substantiates its positions, with references to myth, daily life and ancient tragedy.The epilogue focuses to the light of the mind, appearing in imaging methods in the form of electromagnetic sparks in a mysteriously facsimile form, regardless of their source (logic, imagination, emotion) and the hopes that its usage (and that of the neural mirrors) opens for the acquisition of social consciousness and the feelings of altruism, solidarity and insight.

Η διατριβή αναλύει το ρόλο της φωτιάς και του φωτός: 1ον: Στο μύθο. Αναφέρεται στους μύθους της φωτιάς (Προμηθέα, Λερναίας Ύδρας, Φοίνικα), τη διαφορά μύθου-λόγου, και τη συσχέτιση του φωτός με τη ζωή, το θάνατο και τον έρωτα. [ Το…

Subjects/Keywords: Φως; Light

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Pottakis, N. (2015). Η φωτιά και το φως: στο μύθο, στη φιλοσοφία, στην τραγωδία και στη ζωή της πόλης. (Thesis). National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ). Retrieved from http://hdl.handle.net/10442/hedi/35452

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Pottakis, Nikolas. “Η φωτιά και το φως: στο μύθο, στη φιλοσοφία, στην τραγωδία και στη ζωή της πόλης.” 2015. Thesis, National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ). Accessed March 04, 2021. http://hdl.handle.net/10442/hedi/35452.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Pottakis, Nikolas. “Η φωτιά και το φως: στο μύθο, στη φιλοσοφία, στην τραγωδία και στη ζωή της πόλης.” 2015. Web. 04 Mar 2021.

Vancouver:

Pottakis N. Η φωτιά και το φως: στο μύθο, στη φιλοσοφία, στην τραγωδία και στη ζωή της πόλης. [Internet] [Thesis]. National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ); 2015. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10442/hedi/35452.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Pottakis N. Η φωτιά και το φως: στο μύθο, στη φιλοσοφία, στην τραγωδία και στη ζωή της πόλης. [Thesis]. National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ); 2015. Available from: http://hdl.handle.net/10442/hedi/35452

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

9. Kokkalis, Nikolaos. Φως και εγκαταστάσεις: η χρήση της ελάχιστης φυσικής φωτεινής πηγής σε διαδραστικές βίντεο – εγκαταστάσεις.

Degree: 2016, Ionian University; Ιόνιο Πανεπιστήμιο

URL: http://hdl.handle.net/10442/hedi/39982

►

This thesis focuses on the investigation of the function of a minimum natural light source – which is specified as the light of a candle… (more)

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This thesis focuses on the investigation of the function of a minimum natural light source – which is specified as the light of a candle - and the role and potential of light sources in the field of Art, which relates to interactive video-installations. The particular research (a) refers to the metamorphoses of the minimum natural light source, as well as the meanings and symbolisms, which it has acquired through centuries. Additionally, (b) it aims to bring out those properties, which give to light a prominent role in Art and especially in the field of new media and its applications. Finally, (c) it examines the dynamics of the minimum light source - if something like this indeed exists – as well as light as an independent and sovereign entity in the work.In the course of its formation, this thesis developed a multi-part structure. Thus, each chapter is accompanied by its corresponding installation.

Η διδακτορική έρευνα αφορά στη διερεύνηση της λειτουργίας της ελάχιστης φυσικής φωτεινής πηγής –την οποία προσδιορίζει στο φως ενός κεριού- καθώς και στο ρόλο και τις δυνατότητες των φωτεινών πηγών στο πεδίο της τέχνης που σχετίζεται με τις διαδραστικές video-εγκαταστάσεις. Το κάθε κεφάλαιο της διατριβής συνοδεύεται από αντίστοιχο έργο-εγκατάσταση.Η συγκεκριμένη έρευνα (α) αναφέρεται στις μεταμορφώσεις της ελάχιστης φυσικής φωτεινής πηγής, τις έννοιες καθώς και τους συμβολισμούς τους οποίους αυτή επιδέχεται διαμέσου των αιώνων. Επιπρόσθετα, (β) καλείται να αναδείξει τις ιδιότητες εκείνες που προσδίδουν στο φως πρωτεύοντα ρόλο στην Τέχνη και ειδικά στον τομέα των νέων μέσων και των εφαρμογών της. Τέλος, (γ) εξετάζει τη δυναμική της ελάχιστης πηγής φωτός -αν υφίσταται κάτι τέτοιο– και το φως ως ανεξάρτητη και κυρίαρχη οντότητα στο έργο.

Subjects/Keywords: Φως; Light

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APA (6^th Edition):

Kokkalis, N. (2016). Φως και εγκαταστάσεις: η χρήση της ελάχιστης φυσικής φωτεινής πηγής σε διαδραστικές βίντεο – εγκαταστάσεις. (Thesis). Ionian University; Ιόνιο Πανεπιστήμιο. Retrieved from http://hdl.handle.net/10442/hedi/39982

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kokkalis, Nikolaos. “Φως και εγκαταστάσεις: η χρήση της ελάχιστης φυσικής φωτεινής πηγής σε διαδραστικές βίντεο – εγκαταστάσεις.” 2016. Thesis, Ionian University; Ιόνιο Πανεπιστήμιο. Accessed March 04, 2021. http://hdl.handle.net/10442/hedi/39982.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kokkalis, Nikolaos. “Φως και εγκαταστάσεις: η χρήση της ελάχιστης φυσικής φωτεινής πηγής σε διαδραστικές βίντεο – εγκαταστάσεις.” 2016. Web. 04 Mar 2021.

Vancouver:

Kokkalis N. Φως και εγκαταστάσεις: η χρήση της ελάχιστης φυσικής φωτεινής πηγής σε διαδραστικές βίντεο – εγκαταστάσεις. [Internet] [Thesis]. Ionian University; Ιόνιο Πανεπιστήμιο; 2016. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10442/hedi/39982.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kokkalis N. Φως και εγκαταστάσεις: η χρήση της ελάχιστης φυσικής φωτεινής πηγής σε διαδραστικές βίντεο – εγκαταστάσεις. [Thesis]. Ionian University; Ιόνιο Πανεπιστήμιο; 2016. Available from: http://hdl.handle.net/10442/hedi/39982

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of British Columbia

10. Johnson, Arthur C. The scattering of light by small particles.

Degree: MA- MA, Physics, 1946, University of British Columbia

URL: http://hdl.handle.net/2429/39392

[]

Subjects/Keywords: Light

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APA (6^th Edition):

Johnson, A. C. (1946). The scattering of light by small particles. (Masters Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/39392

Chicago Manual of Style (16^th Edition):

Johnson, Arthur C. “The scattering of light by small particles.” 1946. Masters Thesis, University of British Columbia. Accessed March 04, 2021. http://hdl.handle.net/2429/39392.

MLA Handbook (7^th Edition):

Johnson, Arthur C. “The scattering of light by small particles.” 1946. Web. 04 Mar 2021.

Vancouver:

Johnson AC. The scattering of light by small particles. [Internet] [Masters thesis]. University of British Columbia; 1946. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/2429/39392.

Council of Science Editors:

Johnson AC. The scattering of light by small particles. [Masters Thesis]. University of British Columbia; 1946. Available from: http://hdl.handle.net/2429/39392

Michigan State University

11. Ranney, Jane Ellen. Perceptions of subfusional photic intermittencies under various intensites and pulse-to-cycle fractions.

Degree: PhD, 1964, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:37376

Subjects/Keywords: Light

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ranney, J. E. (1964). Perceptions of subfusional photic intermittencies under various intensites and pulse-to-cycle fractions. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:37376

Chicago Manual of Style (16^th Edition):

Ranney, Jane Ellen. “Perceptions of subfusional photic intermittencies under various intensites and pulse-to-cycle fractions.” 1964. Doctoral Dissertation, Michigan State University. Accessed March 04, 2021. http://etd.lib.msu.edu/islandora/object/etd:37376.

MLA Handbook (7^th Edition):

Ranney, Jane Ellen. “Perceptions of subfusional photic intermittencies under various intensites and pulse-to-cycle fractions.” 1964. Web. 04 Mar 2021.

Vancouver:

Ranney JE. Perceptions of subfusional photic intermittencies under various intensites and pulse-to-cycle fractions. [Internet] [Doctoral dissertation]. Michigan State University; 1964. [cited 2021 Mar 04]. Available from: http://etd.lib.msu.edu/islandora/object/etd:37376.

Council of Science Editors:

Ranney JE. Perceptions of subfusional photic intermittencies under various intensites and pulse-to-cycle fractions. [Doctoral Dissertation]. Michigan State University; 1964. Available from: http://etd.lib.msu.edu/islandora/object/etd:37376

University of South Africa

12. Curtis, Angela Lesley. The effects of artificial lighting on activity of Namib Desert bats (Mammalia: Chiroptera) .

Degree: 2019, University of South Africa

URL: http://hdl.handle.net/10500/26151

► The large-scale use of artificial light throughout the night has occurred in the last 100 years and continues to increase globally. Artificial light impacts many… (more)

▼ The large-scale use of artificial light throughout the night has occurred in the last 100 years and continues to increase globally. Artificial light impacts many animal and plant taxa. The effects of artificial light on bats is species specific. The Namib Desert in Namibia is still relatively dark but subject to the same drivers of increasing development and urbanization that have increased the spread of artificial light globally. This study investigated the effects of the introduction of ultraviolet, yellow and white artificial light on the activity of bats in a rural environment with minimal development in the Namib Desert. Four sites, 100 m apart, had one light and one bat detector each. The fourth light was a dark control. Each site was sampled four times by each light type. Bat activity was recorded by the bat detectors. Eight bat species were recorded during the experiment. Activity increased for open air and clutter-edge foraging species analysed. Broadband white light caused the highest increases in activity followed by yellow light when compared with the dark control site. Ultraviolet light caused the lowest increases in activity contrary to expectations.; Mengwaga ye 100 ya go feta go bile le koketšego ye kgolo ya tšhomišo ya seetša sa maitirelo bošego ka moka. Setlwaedi se se ata kudu lefaseng ka moka go feta pele, gomme se ama diphoofolo tše ntši le mehuta ya dimela. Leganata la Namib go la Namibia gabotse le sa ntše le swiswetše, eupša le ka fase ga dikgontšhi tša go oketša tlhabollo le toropofatšo tšeo di hlotšego koketšego tšhomišong ya seetša sa maitirelo lefaseng ka bophara. Dikhuetšo tša seetša sa maitirelo go memankgagane di fapana go ya ka mohuta. Nyakišišo ye e nyakišišitše dikhuetšo tša tsebagatšo ya seetša sa maitirelo sa go phadima, serolwane le se sešweu go modiro wa memankgagane ka tikologong ya nagaselegae ya go ba le tlhabollo ye nyane ka Leganateng la Namib. Seetša se setee le tithekethara e tee ya mankgagane di hlomilwe go le lengwe le le lengwe la mafelo a mane, a go arogantšhwa ka 100 m. Seetša sa bone se be se le taolo ya leswiswi. Lefelo le lengwe le le lengwe le dirilwe mohlala makga a mane ka mohuta wo mongwe le wo mongwe wa seetša. Modiro wa mankgagane e rekotilwe ka ditithekethara tša mankgagane. Mehuta ya mankgagane ye seswai e rekotilwe nakong ya eksperimente. Modiro wa mehuta ya sebakabakeng le ya go sela thobekgeng ye e sekasekilwego e oketšegile. Seetša se sešweu sa porotepente se hlotše dikoketšego tša modiro, sa latelwa ke seetša se se serolwane, ge se bapetšwa le lefelo la taolo ya leswiswi. Go fapana le ditetelo, seetša sa go phadima se hlotše dikoketšego tša fasefase modirong. Advisors/Committee Members: Keith, M (advisor), Seamark, E (advisor), Strauss, W. M (advisor).

Subjects/Keywords: Artificial light; Light wavelengths; Bats; Namib Desert; Bat activity; Ultraviolet light; Yellow light; White light; Compact fluorescent light bulbs; Undeveloped habitat

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Curtis, A. L. (2019). The effects of artificial lighting on activity of Namib Desert bats (Mammalia: Chiroptera) . (Masters Thesis). University of South Africa. Retrieved from http://hdl.handle.net/10500/26151

Chicago Manual of Style (16^th Edition):

Curtis, Angela Lesley. “The effects of artificial lighting on activity of Namib Desert bats (Mammalia: Chiroptera) .” 2019. Masters Thesis, University of South Africa. Accessed March 04, 2021. http://hdl.handle.net/10500/26151.

MLA Handbook (7^th Edition):

Curtis, Angela Lesley. “The effects of artificial lighting on activity of Namib Desert bats (Mammalia: Chiroptera) .” 2019. Web. 04 Mar 2021.

Vancouver:

Curtis AL. The effects of artificial lighting on activity of Namib Desert bats (Mammalia: Chiroptera) . [Internet] [Masters thesis]. University of South Africa; 2019. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10500/26151.

Council of Science Editors:

Curtis AL. The effects of artificial lighting on activity of Namib Desert bats (Mammalia: Chiroptera) . [Masters Thesis]. University of South Africa; 2019. Available from: http://hdl.handle.net/10500/26151

NSYSU

13. Lien, Kuan-Yi. The Study of Highly Efficient Single Emitting Layer White Light Organic Light-Emitting Diodes on Tandem Structure.

Degree: Master, Electro-Optical Engineering, 2009, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0727109-162851

► We report that the tandem OLEDs made of two electroluminescent (EL) units connected by the interconnecting layer. If It is compared wih the traditional OLEDs.… (more)

▼ We report that the tandem OLEDs made of two electroluminescent (EL) units connected by the interconnecting layer. If It is compared wih the traditional OLEDs. The tandem OLEDs have higher efficiency and well lifetime. We not only used the single emitting layer WOLEDs as EL unit but also studied the effect of the interconnecting layer for whole device. First, we designed the interconnecting layer with Alq3ï¼Li (1%) (n-doping layer)/MoO3 (p-doping layer), and we optimized the thickness of the interconnecting layer by using green unit cell (Alq3 for EML), ITO/NPB(65 nm)/Alq3(30 nm)/Alq3(30 nm)/Alq3(x nm)ï¼Li (1%)/MoO3(y nm)/NPB(65 nm)/Alq3(30 nm)/Alq3(30 nm)/LiF(0.8 nm)/Al(200 nm) x=10ï¼20ï¼30ï¼40ï¼y=1ï¼3ï¼5ï¼7ï¼10 We found that the best thickness of Alq3ï¼Li (1%) and MoO3 are 20 nm and 5 nm. In our study, we concluded that there are the best thickness to each interconnecting layer, and it keeps the charge balance between two units. Finally, we used our single emitting layer WOLEDs as unit cell, which used 1,3,5-Tri(1-pyrenyl)benzene (TPB3) as the host, and 4-(dicyanomethylene)-2-tert-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) as the guest, unit cell was ITO(130 nm)/NPB(65 nm)/ TPB3(30 nm)ï¼DCJTB(0.05%)/ Alq3(30 nm)/LiF(8 nm)/Al(200 nm) Whole device was ITO(130 nm)/NPB(65 nm)/ TPB3(30 nm)ï¼DCJTB(0.05%)/ Alq3(30 nm)/Alq3(20 nm)ï¼Li(1%)/MoO3(5 nm)/NPB(65 nm)/TPB3(30 nm)ï¼DCJTB(0.05%)/Alq3(30 nm)/ LiF(0.8 nm)/Al(200 nm) We got almost three times luminance from the tandem one at the same current density (670 cd/m2 for 2360 cd/m2 at 20 mA/cm2) and efficiency as high as 9.7 cd/A ( at 24 mA/cm2). Itâs a excellent contribution for device lifetime. But the operation voltage and the power efficiency didnât reach to our expectancy. In order to improve the disadvantage, we changed the concentration of n-doping layer Alq3ï¼Li (z %)ï¼z=1%ï¼2%ï¼3%. It was actually improved the turn-on voltage from 10 V to 7 V. But the luminescent characteristics also degenerated. Although we enhanced the charge mobility of the n-doping layer, it also caused the degeneration of luminescent characteristics because of the unbalance of the charge transference.We got the efficiency 8.1 cd/A ( at 14 V) and almost two times luminance from the tandem one at the same current density (670 cd/m2 for 1760 cd/m2 at 20 mA/cm2), most close to the white area of CIE coordinates was (0.30 , 0.37) at 15 V. Its range of CIE coordinates was (0.35 , 0.46)~(0.28 , 0.33) at 8 V~20 V. We have already developed the tandem WOLEDs using single white emitting layer as EL units that have never be reported. It not only maintained the advantages of the tandem structure, but also had excellent stability of luminescent characteristics at wide range operation voltage. We reached our goal to improve the WOLEDs and make it more suitable for commercial applications, especially for the development of light sources. Advisors/Committee Members: Mei-Ying Chang (committee member), Chih-Chien Lee (chair), Jui-Ming Yeh (chair), Yu-Kai Han (chair), Ping-Tsung Huang (chair).

Subjects/Keywords: white light; tandem; Organic Light-Emitting Diodes

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Lien, K. (2009). The Study of Highly Efficient Single Emitting Layer White Light Organic Light-Emitting Diodes on Tandem Structure. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0727109-162851

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lien, Kuan-Yi. “The Study of Highly Efficient Single Emitting Layer White Light Organic Light-Emitting Diodes on Tandem Structure.” 2009. Thesis, NSYSU. Accessed March 04, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0727109-162851.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lien, Kuan-Yi. “The Study of Highly Efficient Single Emitting Layer White Light Organic Light-Emitting Diodes on Tandem Structure.” 2009. Web. 04 Mar 2021.

Vancouver:

Lien K. The Study of Highly Efficient Single Emitting Layer White Light Organic Light-Emitting Diodes on Tandem Structure. [Internet] [Thesis]. NSYSU; 2009. [cited 2021 Mar 04]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0727109-162851.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lien K. The Study of Highly Efficient Single Emitting Layer White Light Organic Light-Emitting Diodes on Tandem Structure. [Thesis]. NSYSU; 2009. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0727109-162851

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

14. van der Werff, Danielle (author). Passive Localization of Robots with Ambient Light.

Degree: 2018, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:82cfe98f-46ad-42b4-8021-082fbae1f740

► A lot of research is been being done on Visible Light Communication (VLC), which has shown to be of interest for many applications, such as… (more)

▼ A lot of research is been being done on Visible Light Communication (VLC), which has shown to be of interest for many applications, such as localization. Since localization based on VLC requires active modulation of light sources, this limits the amount of light sources that can be used for localization. Furthermore, in some situations there might not even be a controllable light source present (for example outdoors). To extend the use of light-based localization schemes, this thesis looks into a way to achieve the same result as current VLC localization methods in a passive manner, i.e. without control of the light sources. Previous work has been done on passive ambient light-based localization by Wang et al.: objects are equipped with unique barcodes, that reflect ambient light in a distinct manner. The reflected light is received by photosensors, from which their ID is obtained. However, this work has focused on identifying large-sized objects in one dimension. Using the same principle for localization of small-sized objects, and in two dimensions, are open challenges that this thesis addresses . The work presented here forms a proof-of-concept of a passive light-based localization system for two-dimensional, real-time tracking of small-sized objects. In order to achieve this, a special enclosure has been designed, giving simple photosensors the ability to distinguish small-sized objects without compromising their FOV. With this enclosure, a single photosensor can detect barcodes down to 7 cm in size in the test set-up, while distinguishing up to three different IDs. A particle filter has been implemented to combine detections from different photosensors into a single estimate of an object’s location. The localization system is designed around the robots designed by a MSc student at the Embedded Systems group at TU Delft. By moving these robots at a speed of 15.4 cm/s in a straight line through the test set-up, a localization error of 4.8 cm is obtained. The distance between the robots and the sensor equals 20 cm. Advisors/Committee Members: Zuñiga Zamalloa, Marco (mentor), Pawelczak, Przemek (mentor), de Croon, Guido (graduation committee), Langendoen, Koen (graduation committee), Delft University of Technology (degree granting institution).

Subjects/Keywords: Localization; Ambient light; Passive light communication

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

van der Werff, D. (. (2018). Passive Localization of Robots with Ambient Light. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:82cfe98f-46ad-42b4-8021-082fbae1f740

Chicago Manual of Style (16^th Edition):

van der Werff, Danielle (author). “Passive Localization of Robots with Ambient Light.” 2018. Masters Thesis, Delft University of Technology. Accessed March 04, 2021. http://resolver.tudelft.nl/uuid:82cfe98f-46ad-42b4-8021-082fbae1f740.

MLA Handbook (7^th Edition):

van der Werff, Danielle (author). “Passive Localization of Robots with Ambient Light.” 2018. Web. 04 Mar 2021.

Vancouver:

van der Werff D(. Passive Localization of Robots with Ambient Light. [Internet] [Masters thesis]. Delft University of Technology; 2018. [cited 2021 Mar 04]. Available from: http://resolver.tudelft.nl/uuid:82cfe98f-46ad-42b4-8021-082fbae1f740.

Council of Science Editors:

van der Werff D(. Passive Localization of Robots with Ambient Light. [Masters Thesis]. Delft University of Technology; 2018. Available from: http://resolver.tudelft.nl/uuid:82cfe98f-46ad-42b4-8021-082fbae1f740

Louisiana State University

15. Barnett, Jonathan Zell. Effects of Light Quality and Light Quantity on the Growth Kinetics of a Louisiana Native Microalgal/Cyanobacterial Co-culture.

Degree: MSCE, Civil and Environmental Engineering, 2015, Louisiana State University

URL: etd-11092015-123040 ; https://digitalcommons.lsu.edu/gradschool_theses/3285

► One of the most important factors controlling the growth of microalgae is light. Light quality and light quantity have a dramatic effect on the production… (more)

Subjects/Keywords: light quantity; cyanobacteria; microalgae; light quality

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Barnett, J. Z. (2015). Effects of Light Quality and Light Quantity on the Growth Kinetics of a Louisiana Native Microalgal/Cyanobacterial Co-culture. (Masters Thesis). Louisiana State University. Retrieved from etd-11092015-123040 ; https://digitalcommons.lsu.edu/gradschool_theses/3285

Chicago Manual of Style (16^th Edition):

Barnett, Jonathan Zell. “Effects of Light Quality and Light Quantity on the Growth Kinetics of a Louisiana Native Microalgal/Cyanobacterial Co-culture.” 2015. Masters Thesis, Louisiana State University. Accessed March 04, 2021. etd-11092015-123040 ; https://digitalcommons.lsu.edu/gradschool_theses/3285.

MLA Handbook (7^th Edition):

Barnett, Jonathan Zell. “Effects of Light Quality and Light Quantity on the Growth Kinetics of a Louisiana Native Microalgal/Cyanobacterial Co-culture.” 2015. Web. 04 Mar 2021.

Vancouver:

Barnett JZ. Effects of Light Quality and Light Quantity on the Growth Kinetics of a Louisiana Native Microalgal/Cyanobacterial Co-culture. [Internet] [Masters thesis]. Louisiana State University; 2015. [cited 2021 Mar 04]. Available from: etd-11092015-123040 ; https://digitalcommons.lsu.edu/gradschool_theses/3285.

Council of Science Editors:

Barnett JZ. Effects of Light Quality and Light Quantity on the Growth Kinetics of a Louisiana Native Microalgal/Cyanobacterial Co-culture. [Masters Thesis]. Louisiana State University; 2015. Available from: etd-11092015-123040 ; https://digitalcommons.lsu.edu/gradschool_theses/3285

Delft University of Technology

16. Suwignyo, Haris (author). Increasing the Performance of Passive Communication with Ambient Light.

Degree: 2019, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:b6637f53-4d37-4e79-a184-240bc2c4f32d

►

Most wireless communication technologies have been using the Radio Frequency (RF) spectrum for decades. Due to the popularity of the Internet of Things (IoT), the… (more)

▼

Most wireless communication technologies have been using the Radio Frequency (RF) spectrum for decades. Due to the popularity of the Internet of Things (IoT), the RF spectrum has started to become densely populated. Researchers have begun to explore other bands of the electromagnetic spectrum that can be utilized as a communication media. One of the promising choices is the visible light spectrum. Visible Light Communication (VLC) refers to the wireless communication technology that utilizes the visible light spectrum. This spectrum is thousands of times wider than the Radio Frequency (RF) spectrum and is license-free. In VLC, data is transmitted by turning a light source on and off. However, not every light source can be controlled. Passive light sources such as the sun provide an immense amount of light that can be used for wireless communication if we can develop ways to modulate them. One of the researches that use ambient light to create a wireless link is LuxLink. LuxLink uses liquid crystal shutters to control passive light sources and provides low energy, reliable, and flicker-free (safe) communication. This thesis addresses several problems that the current LuxLink system has. We present LuxLink+, an extension of LuxLink that provides two main improvements. Firstly, the data rate of the system is relatively low (80~bps). To increase the data rate, we provide a thorough analysis of the system’s bandwidth. Afterward, we modify the modulation technique, which increases the data rate to 1000~bps at a range of 1.5~m. Secondly, the system has a static data rate, which means that the system cannot adapt its data rate to changes in the environment. We implement a rate adaptation algorithm that can change its data rate accordingly. LuxLink+ improves the average throughput of the system by up to 85 percent compared to LuxLink.

Electrical Engineer | Embedded Systems

Advisors/Committee Members: Zuñiga Zamalloa, Marco (mentor), Langendoen, Koen (graduation committee), Al-Ars, Zaid (graduation committee), Delft University of Technology (degree granting institution).

Subjects/Keywords: visible light communication; passive communication; ambient light

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Suwignyo, H. (. (2019). Increasing the Performance of Passive Communication with Ambient Light. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:b6637f53-4d37-4e79-a184-240bc2c4f32d

Chicago Manual of Style (16^th Edition):

Suwignyo, Haris (author). “Increasing the Performance of Passive Communication with Ambient Light.” 2019. Masters Thesis, Delft University of Technology. Accessed March 04, 2021. http://resolver.tudelft.nl/uuid:b6637f53-4d37-4e79-a184-240bc2c4f32d.

MLA Handbook (7^th Edition):

Suwignyo, Haris (author). “Increasing the Performance of Passive Communication with Ambient Light.” 2019. Web. 04 Mar 2021.

Vancouver:

Suwignyo H(. Increasing the Performance of Passive Communication with Ambient Light. [Internet] [Masters thesis]. Delft University of Technology; 2019. [cited 2021 Mar 04]. Available from: http://resolver.tudelft.nl/uuid:b6637f53-4d37-4e79-a184-240bc2c4f32d.

Council of Science Editors:

Suwignyo H(. Increasing the Performance of Passive Communication with Ambient Light. [Masters Thesis]. Delft University of Technology; 2019. Available from: http://resolver.tudelft.nl/uuid:b6637f53-4d37-4e79-a184-240bc2c4f32d

NSYSU

17. Wang, Chien-Hsiung. The Study of High Brightness and Color Purity White light Organic Light-Emitting Diodes.

Degree: Master, Electro-Optical Engineering, 2008, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721108-155353

► We have fabricated a high brightness and color purity white light organic light emitting diode based on a multi-emission-layer. There were several methods to achieve… (more)

▼ We have fabricated a high brightness and color purity white light organic light emitting diode based on a multi-emission-layer. There were several methods to achieve white light OLEDs, including multi-emission- layer device, single emission layer device, and so on. We use RGB triple -emission-layer device to obtain white light, because its EL spectrum is broader than that of the dual-emission-layer device. Frequent problems that showed be faced in a multi-layer structure are the complicate device structure and the color various with different operation voltage. Our work includes five parts. First, we optimized the red light device by controlling the concentration of DCJTB with the configuration of ITO/NPB/Alq3: DCJTB/Alq3/LiF/Al. Second, we optimized the blue light device by controlling the concentration of TC-1753 based on a device structure of ITO/ NPB/ TC-1558: TC-1753/ Alq3/ LiF/ Al. Third, we fabricated green light device by using TPB3 as an emission layer with the configuration of ITO/NPB/TPB3/Alq3/LiF/Al. Then we optimized the dual-emission-layer white light OLED by adjusting the thickness of blue and red emission layers. Finally, we added a green emission layer into the dual emission layer device with the device structure of ITO(1300Å)/NPB(500Å)/ TPB3(500-2xÅ)/ TC-1558(xÅ): TC-1753(2%)/ Alq3(xÅ): DCJTB(2%)/ Alq3(350Å)/ LiF(8Å)/Al(2000Å). By controlling the thickness of each emission layer, a stable white OLED was achieved. The thickness of emission layer were TPB3(200Å)/ TC-1558(150Å):TC-1753(2%)/ Alq3(150Å):DCJTB(2%). The maximum luminance reached 48200 cd/m2 at 13.5V, the maximum current efficiency and power efficiency were 4.06 cd/A at 13V and 1.9 lm/W at 20mA/cm2, respectively. The CIE coordinate varied from (0.339, 0.317) to (0.339, 0.327) with an applied voltage from 9V to 13.5V. We have overcome the problem of instable color purity which was the critical disadvantage of multi-emission-layer white light OLEDs. Our study performed a high brightness and color purity white light device. Advisors/Committee Members: Mei-Ying Chang (committee member), Chih-Chien Lee (chair), Jui-Ming Yeh (chair), Wen-Yao Huang (chair), Yu-Kai Han (chair), Ping-Tsung Huang (chair).

Subjects/Keywords: OLED; white light

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APA (6^th Edition):

Wang, C. (2008). The Study of High Brightness and Color Purity White light Organic Light-Emitting Diodes. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721108-155353

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wang, Chien-Hsiung. “The Study of High Brightness and Color Purity White light Organic Light-Emitting Diodes.” 2008. Thesis, NSYSU. Accessed March 04, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721108-155353.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wang, Chien-Hsiung. “The Study of High Brightness and Color Purity White light Organic Light-Emitting Diodes.” 2008. Web. 04 Mar 2021.

Vancouver:

Wang C. The Study of High Brightness and Color Purity White light Organic Light-Emitting Diodes. [Internet] [Thesis]. NSYSU; 2008. [cited 2021 Mar 04]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721108-155353.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wang C. The Study of High Brightness and Color Purity White light Organic Light-Emitting Diodes. [Thesis]. NSYSU; 2008. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721108-155353

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU

18. Huang, Yu-Syuan. Nonlinear Volterra Filter in Visible Light Communication.

Degree: Master, Electro-Optical Engineering, 2014, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0830114-141053

► This thesis discusses the channel effects of a visible light communication system on signal performance, when carrier-less amplitude phase (CAP) or orthogonal frequency-division multiplexing (OFDM)… (more)

Subjects/Keywords: Visible Light Communication

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APA (6^th Edition):

Huang, Y. (2014). Nonlinear Volterra Filter in Visible Light Communication. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0830114-141053

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Huang, Yu-Syuan. “Nonlinear Volterra Filter in Visible Light Communication.” 2014. Thesis, NSYSU. Accessed March 04, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0830114-141053.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Huang, Yu-Syuan. “Nonlinear Volterra Filter in Visible Light Communication.” 2014. Web. 04 Mar 2021.

Vancouver:

Huang Y. Nonlinear Volterra Filter in Visible Light Communication. [Internet] [Thesis]. NSYSU; 2014. [cited 2021 Mar 04]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0830114-141053.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Huang Y. Nonlinear Volterra Filter in Visible Light Communication. [Thesis]. NSYSU; 2014. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0830114-141053

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Penn State University

19. Wilkerson, Andrea Marie. Reallocation of Narrow Bands of Spectral Energy: the Effect on Brightness Perception and Color Preference .

Degree: 2013, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/19183

► The research furthers the understanding of human psychophysical response to spectra and the role of spectral tuning in source optimization by examining the effect of… (more)

▼ The research furthers the understanding of human psychophysical response to spectra and the role of spectral tuning in source optimization by examining the effect of spectral modification on the perception of brightness and color preference, building upon the work of William Thornton, Kevin Houser, and their associates. Thornton first theorized over forty years ago that the perception of brightness could be increased by placing energy in the spectral regions at and near 450, 530 and 610 nm, which he called the prime color spectral regions. He further identified the areas at and near 495 and 575 nm as having deleterious effects on color preference and termed these anti-prime color regions. Hurvich’s opponent signal sensitivity curves have a relative sensitivity of zero where the sensitivity switches between blue and yellow at 500 nm and switches between red and green at 480 and 580 nm. This dissertation focused on removal of optical radiation near anti-prime spectral regions, where the opponent signal relative sensitivity is zero, and resulting perceptions of brightness and color preference. This dissertation examined brightness and preference differences between a reference spectrum and three test spectra that had less optical radiation in the spectral regions near 500, 580, or 500 and 580 nm. Two experimental methodologies were employed, forced choice discrimination at fixed illuminance levels, and brightness matching. Energy was removed from the regions of 500 and 580 nm, with some energy added to other regions of the visible spectrum as necessary to maintain consistent chromaticity. Brightness discrimination and brightness matching experimental methodologies were both employed in order to examine if these methodologies would produce comparable results. The research aimed to answer the following questions: 1. Do spectra with energy reallocated from the regions of either 500, 580, or 500 and 580 nm appear brighter than a nearly continuous reference spectrum? 2. Do the experimental methodologies side-by-side brightness matching and side-by-side brightness discrimination (forced choice) produce comparable results? 3. Does the reallocation of energy from the regions of 500, 580, or 500 and 580 nm change preference for a person’s own skin tone? The test spectrum with energy reallocated near the spectral region of 500 nm (SPD500) and the test spectrum with energy reallocated near the spectral region of 500 and 580 nm (SPD500,580) appeared brighter than the reference spectrum (SPDRef) at equal illuminance, reaching statistical significance for both the brightness matching and brightness discrimination experiments. No statistical difference in brightness was found between the test spectrum with energy reallocated near the spectral region of 580 nm (SPD580) and SPDRef. The side-by-side brightness matching experimental methodology and the side-by-side brightness discrimination experimental methodology produced comparable results. The rank order of the reference and test spectra was similar for both experimental… Advisors/Committee Members: Kevin William Houser, Dissertation Advisor/Co-Advisor, Richard George Mistrick, Committee Member, Jelena Srebric, Committee Member, Eric Loken, Committee Member, Robert Davis, Special Member.

Subjects/Keywords: Light; Engineering; Perception

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APA (6^th Edition):

Wilkerson, A. M. (2013). Reallocation of Narrow Bands of Spectral Energy: the Effect on Brightness Perception and Color Preference . (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/19183

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wilkerson, Andrea Marie. “Reallocation of Narrow Bands of Spectral Energy: the Effect on Brightness Perception and Color Preference .” 2013. Thesis, Penn State University. Accessed March 04, 2021. https://submit-etda.libraries.psu.edu/catalog/19183.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wilkerson, Andrea Marie. “Reallocation of Narrow Bands of Spectral Energy: the Effect on Brightness Perception and Color Preference .” 2013. Web. 04 Mar 2021.

Vancouver:

Wilkerson AM. Reallocation of Narrow Bands of Spectral Energy: the Effect on Brightness Perception and Color Preference . [Internet] [Thesis]. Penn State University; 2013. [cited 2021 Mar 04]. Available from: https://submit-etda.libraries.psu.edu/catalog/19183.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wilkerson AM. Reallocation of Narrow Bands of Spectral Energy: the Effect on Brightness Perception and Color Preference . [Thesis]. Penn State University; 2013. Available from: https://submit-etda.libraries.psu.edu/catalog/19183

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

McMaster University

20. Radica, Michael. A Search for Supernova Light Echoes in NGC 6946 with SITELLE.

Degree: MSc, 2019, McMaster University

URL: http://hdl.handle.net/11375/24780

►

Scattered light echoes provide a unique way to engage in late-time study of supernovae. Formed when light from a supernova scatters off of nearby dust,… (more)

Subjects/Keywords: Supernova Light Echoes

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APA (6^th Edition):

Radica, M. (2019). A Search for Supernova Light Echoes in NGC 6946 with SITELLE. (Masters Thesis). McMaster University. Retrieved from http://hdl.handle.net/11375/24780

Chicago Manual of Style (16^th Edition):

Radica, Michael. “A Search for Supernova Light Echoes in NGC 6946 with SITELLE.” 2019. Masters Thesis, McMaster University. Accessed March 04, 2021. http://hdl.handle.net/11375/24780.

MLA Handbook (7^th Edition):

Radica, Michael. “A Search for Supernova Light Echoes in NGC 6946 with SITELLE.” 2019. Web. 04 Mar 2021.

Vancouver:

Radica M. A Search for Supernova Light Echoes in NGC 6946 with SITELLE. [Internet] [Masters thesis]. McMaster University; 2019. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/11375/24780.

Council of Science Editors:

Radica M. A Search for Supernova Light Echoes in NGC 6946 with SITELLE. [Masters Thesis]. McMaster University; 2019. Available from: http://hdl.handle.net/11375/24780

21. Lee, Julia Seungmi. Cellular Viability Imaging Using Dynamic Light Scattering Optical Coherence Tomography.

Degree: School of Engineering, 2018, Brown University

URL: https://repository.library.brown.edu/studio/item/bdr:792773/

► Cellular viability represents whether a cell is performing normal functions, relating to intracellular energy synthesis. Accurately quantifying the cellular viability would facilitate novel studies on… (more)

▼ Cellular viability represents whether a cell is performing normal functions, relating to intracellular energy synthesis. Accurately quantifying the cellular viability would facilitate novel studies on how pathological environments affect the functioning of cells in various diseases. Nevertheless, technologies for monitoring the cellular viability in live tissue models are currently lacking. This study aims at testing a recently developed technology, which integrates dynamic light scattering and optical coherence tomography (called DLS-OCT), to image the cellular viability with single-cell resolution. DLS analyzes fluctuations in light scattered by particles to measure diffusion or flow of the particles, and OCT uses coherence gating to collect light only scattered from a small volume for high-resolution structural imaging. Integrating the two technologies, DLS-OCT constructs high-resolution diffusion coefficient and flow velocity 3D maps. It is known that the motion of intracellular organelles, often called intracellular motility, resembles a random walk in the confined cytoplasm space, thus it can be quantified by the diffusion coefficient. Since the intracellular motility is correlated with the cell’s metabolism level, the diffusion coefficient map of DLS-OCT is expected to enable us to image the cellular viability. Here, the DLS-OCT imaging of cellular viability was validated by characterizing responses of the measured intracellular motility to the environmental conditions such as the temperature and pH, in animal retinal explant samples. First, we characterized our new OCT system and optimized scanning sequences and processing procedures for DLS-OCT data, to match the dynamic range of our DLS-OCT measurement with the typical range of intracellular motility. Both numerical simulation and phantom experiments were performed for optimization. Second, methods required for animal retinal explant experiments were established, and DLS-OCT data from retinal tissue while manipulating the cellular viability were acquired and analyzed, to test the technical hypothesis that DLS-OCT-measured intracellular motility of neurons significantly diminishes when the cellular viability levels are out of the physiological ranges. Similar operations were performed to tissue spheroids with additional morphological measurements. As a result, we measured individual cells’ healthiness for tempered conditions, which will enlighten studying cells’ healthiness during disease progress or therapeutic treatment in stroke, epilepsy, and Alzheimer’s disease among others. Advisors/Committee Members: Lee, Jonghwan (Advisor), Powers, Thomas (Reader), Hoffman-Kim, Diane (Reader).

Subjects/Keywords: Dynamic Light Scattering

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APA (6^th Edition):

Lee, J. S. (2018). Cellular Viability Imaging Using Dynamic Light Scattering Optical Coherence Tomography. (Thesis). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:792773/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lee, Julia Seungmi. “Cellular Viability Imaging Using Dynamic Light Scattering Optical Coherence Tomography.” 2018. Thesis, Brown University. Accessed March 04, 2021. https://repository.library.brown.edu/studio/item/bdr:792773/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lee, Julia Seungmi. “Cellular Viability Imaging Using Dynamic Light Scattering Optical Coherence Tomography.” 2018. Web. 04 Mar 2021.

Vancouver:

Lee JS. Cellular Viability Imaging Using Dynamic Light Scattering Optical Coherence Tomography. [Internet] [Thesis]. Brown University; 2018. [cited 2021 Mar 04]. Available from: https://repository.library.brown.edu/studio/item/bdr:792773/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lee JS. Cellular Viability Imaging Using Dynamic Light Scattering Optical Coherence Tomography. [Thesis]. Brown University; 2018. Available from: https://repository.library.brown.edu/studio/item/bdr:792773/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Addis Ababa University

22. Misrak, Getahun. Three-Level Laser Dynamics with Coherent and Squeezed Light .

Degree: 2012, Addis Ababa University

URL: http://etd.aau.edu.et/dspace/handle/123456789/1257

► We study the squeezing and statistical properties of the light produced by a three-level laser whose cavity contains a parametric amplifier and with the cavity… (more)

Subjects/Keywords: Dynamics; Squeezed Light

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APA (6^th Edition):

Misrak, G. (2012). Three-Level Laser Dynamics with Coherent and Squeezed Light . (Thesis). Addis Ababa University. Retrieved from http://etd.aau.edu.et/dspace/handle/123456789/1257

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Misrak, Getahun. “Three-Level Laser Dynamics with Coherent and Squeezed Light .” 2012. Thesis, Addis Ababa University. Accessed March 04, 2021. http://etd.aau.edu.et/dspace/handle/123456789/1257.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Misrak, Getahun. “Three-Level Laser Dynamics with Coherent and Squeezed Light .” 2012. Web. 04 Mar 2021.

Vancouver:

Misrak G. Three-Level Laser Dynamics with Coherent and Squeezed Light . [Internet] [Thesis]. Addis Ababa University; 2012. [cited 2021 Mar 04]. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1257.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Misrak G. Three-Level Laser Dynamics with Coherent and Squeezed Light . [Thesis]. Addis Ababa University; 2012. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1257

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Victoria University of Wellington

23. Tyrrell, Sarah. Endemic Light.

Degree: 2017, Victoria University of Wellington

URL: http://hdl.handle.net/10063/6830

► This thesis explores endemic light and atmosphere through the shifting scales of three architectural interventions. These interventions are guided by site and theoretical research, providing… (more)

Subjects/Keywords: Architecture; Light; Atmosphere

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APA (6^th Edition):

Tyrrell, S. (2017). Endemic Light. (Masters Thesis). Victoria University of Wellington. Retrieved from http://hdl.handle.net/10063/6830

Chicago Manual of Style (16^th Edition):

Tyrrell, Sarah. “Endemic Light.” 2017. Masters Thesis, Victoria University of Wellington. Accessed March 04, 2021. http://hdl.handle.net/10063/6830.

MLA Handbook (7^th Edition):

Tyrrell, Sarah. “Endemic Light.” 2017. Web. 04 Mar 2021.

Vancouver:

Tyrrell S. Endemic Light. [Internet] [Masters thesis]. Victoria University of Wellington; 2017. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10063/6830.

Council of Science Editors:

Tyrrell S. Endemic Light. [Masters Thesis]. Victoria University of Wellington; 2017. Available from: http://hdl.handle.net/10063/6830

Rice University

24. Li, Yang. Angle- and Spectral-Dependent Light Scattering from Plasmonic Nanocups.

Degree: MS, Natural Sciences, 2012, Rice University

URL: http://hdl.handle.net/1911/77330

► The interaction of light with small designed particles and structures gives rise to an increasing number of phenomena of potentially dramatic technological importance, such as… (more)

▼ The interaction of light with small designed particles and structures gives rise to an increasing number of phenomena of potentially dramatic technological importance, such as metamaterials, superlens focusing, and enhanced spectroscopy. Metallic nanostructures with their geometry-dependent optical resonances are a topic of intense current interest due to their ability to manipulate light in ways not possible with conventional optical materials. A particularly fascinating aspect of these systems is the recently realized possibility of creating optical frequency “magnetic plasmon” responses of comparable magnitude to the “electric plasmon” response. Au nanocups at their magnetoinductive resonance have the unique ability to redirect scattered light in a direction dependent on cup orientation, as a true three-dimensional nanoantenna. As optical frequency nanoantennas, reduced-symmetry plasmonic nanoparticles have light-scattering properties that depend strongly on geometry, orientation, and variations in dielectric environment. Here we investigate how these factors influence the spectral and angular dependence of light scattered by Au nanocups. A simple dielectric substrate causes the axial, electric dipole mode of the nanocup to deviate substantially from its characteristic cos square free space scattering profile, while the transverse, magnetic dipole mode remains remarkably insensitive to the presence of the substrate. Nanoscale irregularities of the nanocup rim and the local substrate permittivity have a surprisingly large effect on the spectral- and angle-dependent light-scattering properties of these structures. The different angular scattering and wavelength response from the axial and transverse nanocup modes make the nanocup an interesting particle for the nanoscale manipulation of light in three dimensions. The sensitivity of this system to geometric and environmental factors may present opportunities for active, substrate-mediated control of light scattering. Advisors/Committee Members: Nordlander, Peter J. (advisor), Halas, Naomi J. (committee member), Link, Stephan (committee member).

Subjects/Keywords: Nanocup; Light-bending

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APA (6^th Edition):

Li, Y. (2012). Angle- and Spectral-Dependent Light Scattering from Plasmonic Nanocups. (Masters Thesis). Rice University. Retrieved from http://hdl.handle.net/1911/77330

Chicago Manual of Style (16^th Edition):

Li, Yang. “Angle- and Spectral-Dependent Light Scattering from Plasmonic Nanocups.” 2012. Masters Thesis, Rice University. Accessed March 04, 2021. http://hdl.handle.net/1911/77330.

MLA Handbook (7^th Edition):

Li, Yang. “Angle- and Spectral-Dependent Light Scattering from Plasmonic Nanocups.” 2012. Web. 04 Mar 2021.

Vancouver:

Li Y. Angle- and Spectral-Dependent Light Scattering from Plasmonic Nanocups. [Internet] [Masters thesis]. Rice University; 2012. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1911/77330.

Council of Science Editors:

Li Y. Angle- and Spectral-Dependent Light Scattering from Plasmonic Nanocups. [Masters Thesis]. Rice University; 2012. Available from: http://hdl.handle.net/1911/77330

University of Victoria

25. Novales Flamarique, Inĩgo. Vertebrate detection of polarized light.

Degree: Department of Biology, 2017, University of Victoria

URL: http://hdl.handle.net/1828/8135

► In addition to intensity and colour, the retinas of many invertebrates are capable of light detection based on its linear polarization (Wehner, 1983). The detection… (more)

▼ In addition to intensity and colour, the retinas of many invertebrates are capable of light detection based on its linear polarization (Wehner, 1983). The detection mechanism permitting this capability is based on the intrinsic dichroism of chromophores oriented along rhabdomeric microvilli. In vertebrates, however, except for anchovies (Fineran & Nicol, 1978), such axial dichroism is absent rendering vertebrate outer segments insensitive to the polarization of axially incident light. Nonetheless, there is evidence for polarization sensitivity in a few species of fish (goldfish, rainbow trout and sunfish). But the findings for goldfish and rainbow trout appear contradictory to those for the green sunfish (Parkyn & Hawryshyn, 1993), and a detection mechanism that could explain polarization sensitivity for lower vertebrates in general is unknown. This thesis was undertaken to try to solve some of these unknowns by investigating: 1) the neural polarization signal, at the level of the optic nerve, in fish species from four groups with distinct retinal cone mosaics (rainbow trout, green and pumpkinseed sunfishes, common white sucker, and northern anchovy), 2) the ultrastructure and light transmission properties of different cone types (single, twin and double cones) , and 3) the characteristics of the underwater polarized light field that could permit the observed laboratory behaviours in nature. I measured compound action potential (CAP) responses from the optic nerve of live anaesthetized fish to evaluate the possibility that a fish could detect the orientation of the electric field of linearly polarized light (mathematically-designated as the E-vector) . Results from these studies showed that rainbow trout and the northern anchovy were polarization-sensitive, but both species of sunfish and the common white sucker were not. In addition, CAP measurements conducted with rainbow trout exposed to light stimuli of varying polarization percentages showed, in conjunction with underwater polarized light measurements, that the use of polarized light in this animal was restricted to crepuscular time periods. To try to understand why some fish species were polarization-sensitive and others were not, I carried out microscopy studies of retinal cones. Optical measurements of transmitted polarized light through the length of cones showed: 1) small cone birefringence (retardance < 2nm) , and 2) preferential transmission of polarized light that was parallel to the partition dividing twin and double cones (single cones were isotropic). In addition, histological studies showed that the partition in trout double cones was tilted with respect to the vertical while that of twin cones in sunfish was straight. We envisioned that the higher index of refraction of the partition with respect to the surrounding cell cytoplasm would make it behave as a mirror, reflecting and polarizing incident light. A large optical model was built to test this idea consisting of two photodiodes evenly spaced on… Advisors/Committee Members: Hawryshyn, Craig W. (supervisor).

Subjects/Keywords: Fishes; Light; Vertebrates

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APA (6^th Edition):

Novales Flamarique, I. (2017). Vertebrate detection of polarized light. (Thesis). University of Victoria. Retrieved from http://hdl.handle.net/1828/8135

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Novales Flamarique, Inĩgo. “Vertebrate detection of polarized light.” 2017. Thesis, University of Victoria. Accessed March 04, 2021. http://hdl.handle.net/1828/8135.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Novales Flamarique, Inĩgo. “Vertebrate detection of polarized light.” 2017. Web. 04 Mar 2021.

Vancouver:

Novales Flamarique I. Vertebrate detection of polarized light. [Internet] [Thesis]. University of Victoria; 2017. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1828/8135.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Novales Flamarique I. Vertebrate detection of polarized light. [Thesis]. University of Victoria; 2017. Available from: http://hdl.handle.net/1828/8135

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Victoria University of Wellington

26. Amour, Sol. Body | Sense Experience: An Architecture of Atmosphere and Light.

Degree: 2012, Victoria University of Wellington

URL: http://hdl.handle.net/10063/2602

► This thesis explores notions of the immaterial and metaphysical in architecture. It seeks to ‘elicit a sense of wonder’ in a participant of experiential space… (more)

Subjects/Keywords: Affect; Atmosphere; Light

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APA (6^th Edition):

Amour, S. (2012). Body | Sense Experience: An Architecture of Atmosphere and Light. (Masters Thesis). Victoria University of Wellington. Retrieved from http://hdl.handle.net/10063/2602

Chicago Manual of Style (16^th Edition):

Amour, Sol. “Body | Sense Experience: An Architecture of Atmosphere and Light.” 2012. Masters Thesis, Victoria University of Wellington. Accessed March 04, 2021. http://hdl.handle.net/10063/2602.

MLA Handbook (7^th Edition):

Amour, Sol. “Body | Sense Experience: An Architecture of Atmosphere and Light.” 2012. Web. 04 Mar 2021.

Vancouver:

Amour S. Body | Sense Experience: An Architecture of Atmosphere and Light. [Internet] [Masters thesis]. Victoria University of Wellington; 2012. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10063/2602.

Council of Science Editors:

Amour S. Body | Sense Experience: An Architecture of Atmosphere and Light. [Masters Thesis]. Victoria University of Wellington; 2012. Available from: http://hdl.handle.net/10063/2602

University of Illinois – Urbana-Champaign

27. Arnold, Jennifer. Actin's role in signaling light-induced phase shifts in the mammalian circadian clock.

Degree: PhD, 0325, 2013, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/42146

► The actin cytoskeleton is a critical part of intracellular structure, responsible for the general shape and integrity of all cells. New insights into the dynamic… (more)

▼ The actin cytoskeleton is a critical part of intracellular structure, responsible for the general shape and integrity of all cells. New insights into the dynamic nature of the cytoskeleton describe additional roles for actin, including synaptic plasticity in the hippocampus, regulation of hormone release in endocrine cells, and as a signaling component involved in transcription. My research focused on the hypothesis that changes in actin state contribute to light-induced changes in the state of the circadian clock in the mammalian brain. In early night, the cells of the mammalian circadian clock, in the SCN, initiate a series of signaling events to translate environmental light into transcriptional changes which induce a delay of clock state. This signaling pathway, mediated by glutamate, involves activation of NMDA receptors, nitric oxide synthesis, and opening of ryanodine receptors with subsequent influx of calcium from intracellular stores. Activation of this cascade results in up-regulation of the clock genes, Period 1 and Period 2. This induction is mediated in part via CRE elements, through activation of the transcription factor, CREB. Connecting upstream signaling processes with the end result of transcriptional changes was a target of this study. Based on responses to glutamate in vitro, I hypothesized that activation of the early night light signaling pathway results in a rapid and transient decrease in actin polymerization, which is required for the phase delay to occur. I first characterized actin state around a day-night cycle, in order to determine whether sensitivity to actin depolymerization changes over this period. To this end, I showed that polymerized actin peaks in early night, but this oscillation in actin state is abolished in mice rendered genetically arrhythmic, the BMAL1 -/- mice. Secondly, I measured actin state after light exposure, and found that brief light pulses induced a breakdown of polymerized actin. By injecting the actin-stabilizing chemical jasplakinolide directly into the mouse SCN, I demonstrated a requirement for actin breakdown in mediating the phase delay, while conversely I induced a delay by injecting the actin depolymerzing agent latrunculin A. Thirdly, I measured induction of potential downstream effectors upon actin depolymerization, to analyze the effect of actin dynamics on transcription. Breaking down the cytoskeleton with latrunculin A resulted in activation of the MAP kinase component PERK, as well as a potential activation of PCREB. The importance of actin dynamics on CRE-mediated transcription was demonstrated using electrophysiological recordings, in which inhibition of CRE-mediated transcription abolished the effects of latrunculin A on clock state. Finally, I showed that actin depolymerization induced the clock gene Period 2, providing a potential link between cytoplasmic signaling events that facilitate actin remodeling and nuclear mechanisms of transcription. This work, together with previous in vitro studies, places actin dynamics firmly… Advisors/Committee Members: Gillette, Martha U. (advisor), Gillette, Martha U. (Committee Chair), Gillette, Rhanor (committee member), Roy, Edward J. (committee member), Raetzman, Lori T. (committee member), Brieher, William M. (committee member).

Subjects/Keywords: circadian; Actin; light

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Arnold, J. (2013). Actin's role in signaling light-induced phase shifts in the mammalian circadian clock. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/42146

Chicago Manual of Style (16^th Edition):

Arnold, Jennifer. “Actin's role in signaling light-induced phase shifts in the mammalian circadian clock.” 2013. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed March 04, 2021. http://hdl.handle.net/2142/42146.

MLA Handbook (7^th Edition):

Arnold, Jennifer. “Actin's role in signaling light-induced phase shifts in the mammalian circadian clock.” 2013. Web. 04 Mar 2021.

Vancouver:

Arnold J. Actin's role in signaling light-induced phase shifts in the mammalian circadian clock. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2013. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/2142/42146.

Council of Science Editors:

Arnold J. Actin's role in signaling light-induced phase shifts in the mammalian circadian clock. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2013. Available from: http://hdl.handle.net/2142/42146

University of Arizona

28. Al Bawab, Elias. Transcriptive Method to Predict Daylight Intensity Curves in Architectural Spaces .

Degree: 2019, University of Arizona

URL: http://hdl.handle.net/10150/636503

► Consequences of technology evolution and its ease of use have made humans entirely dependent upon them without thinking of side effects on human's health as… (more)

Subjects/Keywords: daylight; light intensity

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Al Bawab, E. (2019). Transcriptive Method to Predict Daylight Intensity Curves in Architectural Spaces . (Masters Thesis). University of Arizona. Retrieved from http://hdl.handle.net/10150/636503

Chicago Manual of Style (16^th Edition):

Al Bawab, Elias. “Transcriptive Method to Predict Daylight Intensity Curves in Architectural Spaces .” 2019. Masters Thesis, University of Arizona. Accessed March 04, 2021. http://hdl.handle.net/10150/636503.

MLA Handbook (7^th Edition):

Al Bawab, Elias. “Transcriptive Method to Predict Daylight Intensity Curves in Architectural Spaces .” 2019. Web. 04 Mar 2021.

Vancouver:

Al Bawab E. Transcriptive Method to Predict Daylight Intensity Curves in Architectural Spaces . [Internet] [Masters thesis]. University of Arizona; 2019. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10150/636503.

Council of Science Editors:

Al Bawab E. Transcriptive Method to Predict Daylight Intensity Curves in Architectural Spaces . [Masters Thesis]. University of Arizona; 2019. Available from: http://hdl.handle.net/10150/636503

University of Manchester

29. Brooks, Elisabeth. Effects of early light environment on the photic response of the circadian system.

Degree: 2012, University of Manchester

URL: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:181604

► Early light environment has been shown to alter locomotor activity behaviour in adult rats and mice when exposed to constant light (LL), constant darkness (DD)… (more)

▼ Early light environment has been shown to alter locomotor activity behaviour in adult rats and mice when exposed to constant light (LL), constant darkness (DD) or 12:12 hour light-dark cycles (LD). In particular, exposure to LL during lactation results in an increased ability to cope with exposure to LL as adults, implying that the ability to interpret light information is altered depending on early light environment. Therefore, the aim of this project was to explore how early light environment affects the photic response of the circadian system.The retina forms the first component of the photic response of the circadian system. We wanted to know whether being raised in DD, LD or LL would alter retinal function or structure in adult CD1 (albino) and C57BL/6J (pigmented) mice. We found that in CD1 mice, being raised in LL caused significant retinal damage and a significant reduction in retinal function. In C57BL/6J mice, we saw no such changes, implying that any changes that we see in behaviour would be due to alterations further downstream, such as the suprachiasmatic nucleus (SCN), site of the master circadian clock in the mammalian brain. We next exposed C57BL/6J mice to LL and found that mice raised in DD had significantly longer taus than mice raised in LL, implying that mice raised in DD are more sensitive to light than mice raised in LL.Previous work has shown that early light environment alters neuropeptide and astrocyte expression in the SCN of C57BL/6J mice. Furthermore, early light environment produces opposite behavioural responses in CD1 and C57BL/6J mice when exposed to LD as adults. We therefore examined how neuropeptide and astrocyte expression would be affected by early light environment in CD1 mice and whether this would reflect the differential behavioural response. We found that neuropeptide and astrocyte expression in the SCN seemed to be affected by the level of retinal damage and/or the type and intensity of the light source used. This sensitivity to lighting environment makes CD1 mice unsuitable for further studies on the photic response of the circadian system. Pigmented mice were used for the remainder of this project.The photic response of the circadian system can be quantified using a phase response curve (PRC) which measures behavioural responses to light pulses administered at different times of day. We measured the effect of a light pulse on the delay and advance portion of the PRC and found no differences due to early light environment, implying that the phasic effect of light is not altered by early light environment. Light pulses administered during the subjective night result in the upregulation of SCN intracellular photic signalling pathways. After a light pulse given during the early subjective night, we found no differences in the upregulation of different components of the photic signalling pathway due to early light environment indicating early light environment does not seem to affect the initial photic signalling pathway in the SCN.Finally, recent advances in molecular biology… Advisors/Committee Members: LUCAS, ROBERT RJ, Lucas, Robert, Canal, Maria.

Subjects/Keywords: Circadian; Light; Development

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Brooks, E. (2012). Effects of early light environment on the photic response of the circadian system. (Doctoral Dissertation). University of Manchester. Retrieved from http://www.manchester.ac.uk/escholar/uk-ac-man-scw:181604

Chicago Manual of Style (16^th Edition):

Brooks, Elisabeth. “Effects of early light environment on the photic response of the circadian system.” 2012. Doctoral Dissertation, University of Manchester. Accessed March 04, 2021. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:181604.

MLA Handbook (7^th Edition):

Brooks, Elisabeth. “Effects of early light environment on the photic response of the circadian system.” 2012. Web. 04 Mar 2021.

Vancouver:

Brooks E. Effects of early light environment on the photic response of the circadian system. [Internet] [Doctoral dissertation]. University of Manchester; 2012. [cited 2021 Mar 04]. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:181604.

Council of Science Editors:

Brooks E. Effects of early light environment on the photic response of the circadian system. [Doctoral Dissertation]. University of Manchester; 2012. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:181604

Virginia Tech

30. Sutjipto, Michael. Half-Lit: Georgetown University Center for the Study of Light.

Degree: M. Arch., Architecture, 2012, Virginia Tech

URL: http://hdl.handle.net/10919/33459

► It is the intention of this thesis to explore the idea of half light, as put forward by Luis Barragan: â Architects are forgetting the… (more)

Subjects/Keywords: cone; architecture; light

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Sutjipto, M. (2012). Half-Lit: Georgetown University Center for the Study of Light. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/33459

Chicago Manual of Style (16^th Edition):

Sutjipto, Michael. “Half-Lit: Georgetown University Center for the Study of Light.” 2012. Masters Thesis, Virginia Tech. Accessed March 04, 2021. http://hdl.handle.net/10919/33459.

MLA Handbook (7^th Edition):

Sutjipto, Michael. “Half-Lit: Georgetown University Center for the Study of Light.” 2012. Web. 04 Mar 2021.

Vancouver:

Sutjipto M. Half-Lit: Georgetown University Center for the Study of Light. [Internet] [Masters thesis]. Virginia Tech; 2012. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10919/33459.

Council of Science Editors:

Sutjipto M. Half-Lit: Georgetown University Center for the Study of Light. [Masters Thesis]. Virginia Tech; 2012. Available from: http://hdl.handle.net/10919/33459

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