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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 5 — May. 1, 2012
  • pp: 052802–

Simultaneous measurement of refractive index and temperature using a microring resonator

Nai Lin, Lan Jiang, Sumei Wang, Lei Yuan, and Qianghua Chen  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 5, pp. 052802- (2012)


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Abstract

An approach to the simultaneous measurement of refractive-index (RI) and temperature changes using optical ring resonators is proposed and theoretically demonstrated. With a liquid-core silica ring resonator as an example, two different-order whispering gallery modes (WGMs) might differ in not only RI but also temperature sensitivities. Thus, a second-order sensing matrix should be defined based on these WGMs to determine RI and temperature changes simultaneously. The analysis shows that the RI and temperature detection limits can be achieved on the order of 10-7 RI unit and 10-3 K at a wavelength of approximately 780 nm.

© 2012 Chinese Optics Letters

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(280.6780) Remote sensing and sensors : Temperature

ToC Category:
Remote Sensing and Sensors

Citation
Nai Lin, Lan Jiang, Sumei Wang, Lei Yuan, and Qianghua Chen, "Simultaneous measurement of refractive index and temperature using a microring resonator," Chin. Opt. Lett. 10, 052802- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-5-052802

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