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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 9 — May. 1, 2011
  • pp: 1548–1550

High-sensitivity temperature sensor based on an alcohol-filled photonic crystal fiber loop mirror

Wenwen Qian, Chun-Liu Zhao, Shaoling He, Xinyong Dong, Shuqin Zhang, Zaixuan Zhang, Shangzhong Jin, Jiangtao Guo, and Huifeng Wei  »View Author Affiliations


Optics Letters, Vol. 36, Issue 9, pp. 1548-1550 (2011)
http://dx.doi.org/10.1364/OL.36.001548


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Abstract

A compact temperature sensor based on a fiber loop mirror (FLM) combined with an alcohol-filled high- birefringence photonic crystal fiber (PCF) is proposed and experimentally demonstrated. The output of the FLM is an interference spectrum with many resonant dips, of which the wavelengths are quite sensitive to the change of the refractive index of the filled alcohol for the interference of the FLM. Simulation analysis predicts a high temperature sensitivity, and experimental results show it reaches up to 6.6 nm / ° C for the 6.1 - cm -long PCF used in the FLM.

© 2011 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 20, 2011
Manuscript Accepted: February 19, 2011
Published: April 21, 2011

Citation
Wenwen Qian, Chun-Liu Zhao, Shaoling He, Xinyong Dong, Shuqin Zhang, Zaixuan Zhang, Shangzhong Jin, Jiangtao Guo, and Huifeng Wei, "High-sensitivity temperature sensor based on an alcohol-filled photonic crystal fiber loop mirror," Opt. Lett. 36, 1548-1550 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1548

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