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Proceedings Paper

High-sensitive temperature sensor based on alcohol-filled highly birefringent photonic crystal fiber loop mirror
Author(s): Shaoling He; Chun-Liu Zhao; Xinyong Dong; Shuqiin Zhang; Shangzhong Jin; Jiangtao Guo; Huifeng Wei
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Paper Abstract

A novel compact temperature sensor based on a fiber loop mirror (FLM) combined with an alcohol-filled highlybirefringent photonic crystal fiber (HiBi-PCF) is proposed and experimentally demonstrated. The output of the FLM is an interference spectrum with many dips, of which the resonant wavelengths are quite sensitive to temperature because the interference of the FLM is sensitive to the optical path difference due to the refractive index change of the filled alcohol. Experimental results show that the temperature sensitivity reaches up to 5.42nm/°C for a 6.3cm long alcoholfilled PCF used in the FLM.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77533U (17 May 2011); doi: 10.1117/12.884949
Show Author Affiliations
Shaoling He, China Jiliang Univ. (China)
Chun-Liu Zhao, China Jiliang Univ. (China)
Xinyong Dong, China Jiliang Univ. (China)
Shuqiin Zhang, China Jiliang Univ. (China)
Shangzhong Jin, China Jiliang Univ. (China)
Jiangtao Guo, Yangtze Optical Fibre and Cable Co., Ltd. (China)
Huifeng Wei, Yangtze Optical Fibre and Cable Co., Ltd. (China)

Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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