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Whispering-gallery microresonators for sensing technologies
Author(s): Xuefeng Jiang; Abraham J. Qavi; Lan Yang
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Paper Abstract

Ultra-high-quality, whispering-gallery-mode (WGM) optical micro-resonators provide an unprecedented capability to trap light in a highly confined volume, smaller than a strand of human hair. A beam of light can travel the boundary of a WGM resonator over 106 times, significantly enhancing light-matter interactions for a variety of sensing applications. Our group has leveraged WGM sensors for a wide array of applications, including the detection of infrared light, gas sensing, photo-acoustic imaging, and nanoparticle detection and sizing. We have also developed a new hand-held microresonator platform that can be combined with commercial devices such as drones, as well as a fiber-based, WGM microprobe sensor.

Paper Details

Date Published: 16 May 2018
PDF: 7 pages
Proc. SPIE 10629, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIX, 106290R (16 May 2018); doi: 10.1117/12.2305458
Show Author Affiliations
Xuefeng Jiang, Washington Univ. in St. Louis (United States)
Abraham J. Qavi, Washington Univ. in St. Louis (United States)
Lan Yang, Washington Univ. in St. Louis (United States)


Published in SPIE Proceedings Vol. 10629:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIX
Jason A. Guicheteau; Augustus Way Fountain; Chris R. Howle, Editor(s)

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