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Proceedings Paper

Raman sensing in microresonators
Author(s): Corey Janisch; Alexander Cocking; Lan Yang; Zhiwen Liu
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Paper Abstract

High-quality whispering-gallery-mode optical resonators have garnered interest in particle sensing for a variety of applications. Here, we further explore the idea of using microresonators to enhance single-particle detection and identification by monitoring the Raman scattering from a particle adhered to a silica micro-sphere. A tunable diode laser is critically coupled into a resonant mode of the micro-sphere resonator, allowing circulating power to build up within the cavity for enhanced interaction with the attached particle. Experimental results of single particle Raman scattering in microsphere resonators are presented.

Paper Details

Date Published: 31 August 2015
PDF: 6 pages
Proc. SPIE 9584, Ultrafast Nonlinear Imaging and Spectroscopy III, 95840O (31 August 2015); doi: 10.1117/12.2188947
Show Author Affiliations
Corey Janisch, The Pennsylvania State Univ. (United States)
Alexander Cocking, The Pennsylvania State Univ. (United States)
Lan Yang, Washington Univ. in St. Louis (United States)
Zhiwen Liu, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 9584:
Ultrafast Nonlinear Imaging and Spectroscopy III
Zhiwen Liu, Editor(s)

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