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You searched for subject:(magneto optic effects). Showing records 1 – 3 of 3 total matches.

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Texas A&M University

1. Novikova, Irina Borisovna. Nonlinear magneto-optic effects in optically dense Rb vapor.

Degree: PhD, Physics, 2004, Texas A&M University

Nonlinear magneto-optical effects, originated from atomic coherence, are studied both theoretically and experimentally in thermal Rb vapor. The analytical description of the fundamental properties of coherent media are based on the simplified three- and four-level systems, and then verified using numerical simulations and experimental measurements. In particular, we analyze the modification of the long-lived atomic coherence due to various physical effects, such as reabsorption of spontaneous radiation, collisions with a buffer gas atoms, etc. We also discuss the importance of the high-order nonlinearities in the description of the polarization rotation for the elliptically polarized light. The effect of self-rotation of the elliptical polarization is also analyzed. Practical applications of nonlinear magneto-optical effects are considered in precision metrology and magnetometery, and for the generation of non-classical states of electromagnetic field. Advisors/Committee Members: Welch, George R. (advisor), Scully, Marlan O. (committee member), Hemmer, Phillip R. (committee member), Sokolov, Alexei V. (committee member).

Subjects/Keywords: quantum optics; nonlinear optics; coherent effects; magneto-optic effects

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APA (6th Edition):

Novikova, I. B. (2004). Nonlinear magneto-optic effects in optically dense Rb vapor. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/364

Chicago Manual of Style (16th Edition):

Novikova, Irina Borisovna. “Nonlinear magneto-optic effects in optically dense Rb vapor.” 2004. Doctoral Dissertation, Texas A&M University. Accessed January 24, 2021. http://hdl.handle.net/1969.1/364.

MLA Handbook (7th Edition):

Novikova, Irina Borisovna. “Nonlinear magneto-optic effects in optically dense Rb vapor.” 2004. Web. 24 Jan 2021.

Vancouver:

Novikova IB. Nonlinear magneto-optic effects in optically dense Rb vapor. [Internet] [Doctoral dissertation]. Texas A&M University; 2004. [cited 2021 Jan 24]. Available from: http://hdl.handle.net/1969.1/364.

Council of Science Editors:

Novikova IB. Nonlinear magneto-optic effects in optically dense Rb vapor. [Doctoral Dissertation]. Texas A&M University; 2004. Available from: http://hdl.handle.net/1969.1/364


Brno University of Technology

2. Juřík, Vladimír. Metodiky a metody snímání jednorázových dějů: Methods of single impulse detection.

Degree: 2019, Brno University of Technology

This thesis deals with measurement method pulsed quantities of electromagnetic field. This thesis was focused on methods, which make use of optic effect. Specially Faraday effect, Pockels effect and magneto-optic Kerr effect. Next it was focused on method makes use of Rogowski coil. At the end was shortly noticed about method makes use of calorimetric sensor. For experimentally realized has been chosen Faraday Magneto-optic Effect. In optic laboratory has been realized absolute methods and different methods making use of Wollaston polarizer on pneumatic optical desk. The main advantage of this method is the capability to measure the high frequency and high current signals. Next in this thesis has been written theory about Rogowski coil. This method has been experimentally realized in laboratory. Advisors/Committee Members: Fiala, Pavel (advisor), Bartušek, Karel (referee).

Subjects/Keywords: Elektromagnetický impuls; magnetooptické jevy; Helmholtzova cívka; Rogowského cívka; kalorimetrický senzor.; Electromagnetic pulse; magneto-optic effects; Helmholtz coil; Rogowski coil; calorimetric senzor.

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

APA (6th Edition):

Juřík, V. (2019). Metodiky a metody snímání jednorázových dějů: Methods of single impulse detection. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/26396

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

Chicago Manual of Style (16th Edition):

Juřík, Vladimír. “Metodiky a metody snímání jednorázových dějů: Methods of single impulse detection.” 2019. Thesis, Brno University of Technology. Accessed January 24, 2021. http://hdl.handle.net/11012/26396.

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

MLA Handbook (7th Edition):

Juřík, Vladimír. “Metodiky a metody snímání jednorázových dějů: Methods of single impulse detection.” 2019. Web. 24 Jan 2021.

Vancouver:

Juřík V. Metodiky a metody snímání jednorázových dějů: Methods of single impulse detection. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 24]. Available from: http://hdl.handle.net/11012/26396.

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

Council of Science Editors:

Juřík V. Metodiky a metody snímání jednorázových dějů: Methods of single impulse detection. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/26396

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


University of Michigan

3. Chen, Chia-Chu. Multi-birefringence effects in the diluted magnetic semiconductor cadmium manganese telluride: Applications from microwave to terahertz.

Degree: PhD, Pure Sciences, 2010, University of Michigan

Nondestructive evaluation is commonly used in science and industry to evaluate the properties of a material, component or system without causing damage. In this thesis, optical nondestructive evaluation tools are developed using a diluted magnetic semiconductor, CMT. A single <110> CMT crystal probe is employed as a sensor in both the microwave and THz electromagnetic wave region. Both theory and experimental results demonstrate that a diluted-magnetic-semiconductor CMT crystal exhibits both Faraday rotation and electric-field-induced linear birefringence. Utilizing this characteristic, a single probe that is capable of sensing both electric and magnetic fields independently is presented here. In addition, the linear electro-optic coefficient, r41 for CMT has been calculated from electric-field measurements to be 3.5 +/- 0.2 pm/V. The ability to measure the electric or magnetic field components is exploited to develop a Poynting vector sensor that requires no further transformational calculation or physical information about the device. Maps of the microwave Poynting vector along a 50-O microstrip with different terminations were experimentally determined. An open termination microstrip shows no energy flow, whereas a matched-load microstrip shows consistent energy flow along the microstrip transmission line. These results demonstrate that the Poynting vector can be extracted from the components of the electric and magnetic field by utilizing a single <110> CMT crystal. CMT is also employed as an EO sensing crystal in a THz time-domain reflectometry system that is used to detect both surface and subsurface defects of thermal barrier coatings. A 50 mum surface defect of a thermal barrier coating is identified even though its width is beyond the diffraction limit associated with a 1-THz frequency component. Moreover, when a history of pulsed reflectometry measurements is maintained, this THz system can also monitor the evolution of thermally-induced oxide layers and voids – embedded at a ceramic/metal interface – that are on the order of a single micrometer in thickness. This was accomplished through the observation of THz pulse time delays and changes in the width and shape of the THz pulses. These features can be used to predict the lifetime of thermal-barrier coatings and to indicate a warning of imminent spallation conditions. Advisors/Committee Members: Whittaker, John F. (advisor).

Subjects/Keywords: Applications; Birefringence; Cadmium Manganese Telluride; Diluted; Effects; Electro-optic Sensing; Magnetic Semiconductor; Magneto-optic Sensing; Microwave; Multi; Terahertz

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

APA (6th Edition):

Chen, C. (2010). Multi-birefringence effects in the diluted magnetic semiconductor cadmium manganese telluride: Applications from microwave to terahertz. (Doctoral Dissertation). University of Michigan. Retrieved from http://hdl.handle.net/2027.42/127156

Chicago Manual of Style (16th Edition):

Chen, Chia-Chu. “Multi-birefringence effects in the diluted magnetic semiconductor cadmium manganese telluride: Applications from microwave to terahertz.” 2010. Doctoral Dissertation, University of Michigan. Accessed January 24, 2021. http://hdl.handle.net/2027.42/127156.

MLA Handbook (7th Edition):

Chen, Chia-Chu. “Multi-birefringence effects in the diluted magnetic semiconductor cadmium manganese telluride: Applications from microwave to terahertz.” 2010. Web. 24 Jan 2021.

Vancouver:

Chen C. Multi-birefringence effects in the diluted magnetic semiconductor cadmium manganese telluride: Applications from microwave to terahertz. [Internet] [Doctoral dissertation]. University of Michigan; 2010. [cited 2021 Jan 24]. Available from: http://hdl.handle.net/2027.42/127156.

Council of Science Editors:

Chen C. Multi-birefringence effects in the diluted magnetic semiconductor cadmium manganese telluride: Applications from microwave to terahertz. [Doctoral Dissertation]. University of Michigan; 2010. Available from: http://hdl.handle.net/2027.42/127156

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