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University of Southern California

1. Mehrabani, Simin. Development of hybrid microsensors for environmental monitoring and biodetection.

Degree: PhD, Chemical Engineering, 2015, University of Southern California

Ever since silica microtoroid optical resonators were developed in 2003, a significant amount of research has focused on utilizing their unique properties in various applications, ranging from fundamental physics research to chemical and biological detection. However, many of these applications require further design improvements for their optimum performance to be fully realized. Additionally, as the technology evolves, new applications are discovered. The focus of this thesis is to outline the development of such optimized microtoroids and their technological role. ❧ While biological detection has been the focal point of optical resonant cavity sensing, monitoring the environment can also benefit from these unique microsensors. Slight variations in environmental factors such as temperature, pressure, humidity and electromagnetic radiations such as ultraviolet, can significantly alter our lives. In addition, these factors play major roles in various industrial processes. Considering the rapid increase in the complexity of these processes, sensors that monitor the environment quickly, reliably, and sensitively will become more important. ❧ In this thesis, it is first shown that silica microtoroids provide an exceptional platform for monitoring different levels of ultraviolet radiation (UV) and relative humidity (RH) in the environment. The second part of this thesis discusses the possibility of utilizing silica microtoroids in creating various types of microlasers, which will improve the sensing performance metrics of silica microtoroids for environmental monitoring and biodetection. Advisors/Committee Members: Armani, Andrea M. (Committee Chair), Sahimi, Muhammad (Committee Member), Wang, Pin (Committee Member), Thompson, Barry C. (Committee Member).

Subjects/Keywords: optical microresonator; whispering gallery mode resonator; silica; sol-gel; zinc oxide; titanium oxide; quantum dot; upconversion; rare-earth elements; thulium; initiated chemical vapor deposition (iCVD); polymeric thin films; poly (N-isopropylacrylamide); hybrid organic/inorganic sensor; solid state microlaser; biological microsensor; relative humidity microsensor; ultraviolet radiation microsensor; phase shift ring down cavity spectroscopy

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

APA (6th Edition):

Mehrabani, S. (2015). Development of hybrid microsensors for environmental monitoring and biodetection. (Doctoral Dissertation). University of Southern California. Retrieved from http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/539338/rec/1941

Chicago Manual of Style (16th Edition):

Mehrabani, Simin. “Development of hybrid microsensors for environmental monitoring and biodetection.” 2015. Doctoral Dissertation, University of Southern California. Accessed January 19, 2020. http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/539338/rec/1941.

MLA Handbook (7th Edition):

Mehrabani, Simin. “Development of hybrid microsensors for environmental monitoring and biodetection.” 2015. Web. 19 Jan 2020.

Vancouver:

Mehrabani S. Development of hybrid microsensors for environmental monitoring and biodetection. [Internet] [Doctoral dissertation]. University of Southern California; 2015. [cited 2020 Jan 19]. Available from: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/539338/rec/1941.

Council of Science Editors:

Mehrabani S. Development of hybrid microsensors for environmental monitoring and biodetection. [Doctoral Dissertation]. University of Southern California; 2015. Available from: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/539338/rec/1941

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