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Proceedings Paper

Ultrahigh-sensitivity temperature sensor based on in-fiber Fabry-Perot interferometer
Author(s): Kaiming Yang; Jun He; Shen Liu; Changrui Liao; Ying Wang; Bing Sun; Guolu Yin; Zhengyong Li; Xiaoyong Zhong; Yiping Wang
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Paper Abstract

We demonstrated an ultrasensitive temperature sensor based on a unique fiber Fabry-Perot interferometer (FPI). The FPI was created by means of splicing a mercury-filled silica tube with a single-mode fiber (SMF). The FPI had an air cavity, which was formed by the end face of the SMF and that of the mercury column. Experimental results showed that the FPI had an ultrahigh temperature-sensitivity of up to -41 nm/°C, which was about one order of magnitude higher than those of the reported FPI-based fiber tip sensors. Such a FPI temperature sensor is expected to have potential applications for highly-sensitive ambient temperature sensing.

Paper Details

Date Published: 1 July 2015
PDF: 4 pages
Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96553W (1 July 2015); doi: 10.1117/12.2184464
Show Author Affiliations
Kaiming Yang, Shenzhen Univ. (China)
Jun He, Shenzhen Univ. (China)
Shen Liu, Shenzhen Univ. (China)
Changrui Liao, Shenzhen Univ. (China)
Ying Wang, Wuhan Institute of Technology (China)
Bing Sun, Shenzhen Univ. (China)
Guolu Yin, Shenzhen Univ. (China)
Zhengyong Li, Shenzhen Univ. (China)
Xiaoyong Zhong, Shenzhen Univ. (China)
Yiping Wang, Shenzhen Univ. (China)

Published in SPIE Proceedings Vol. 9655:
Fifth Asia-Pacific Optical Sensors Conference
Byoungho Lee; Sang-Bae Lee; Yunjiang Rao, Editor(s)

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