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Proceedings Paper

Temperature dependence of a refractive index sensor based on core-offset in-line fiber Mach-Zehnder interferometer
Author(s): Bingcheng Wu; Haiyang Bao; Fangda Yu; Peng Xue; Jie Zheng
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Paper Abstract

The temperature dependence of a refractive index (RI) sensor based on a core-offset in-line fiber Mach-Zehnder interferometer was investigated in order to eliminate the temperature and RI cross sensitivity caused by the thermo-optic effect. The RI sensitivity of the sensor was around -20.00 nm/RIU, and the RI correction was given for the sensor in the temperature range of 25-60℃. The experimental results showed that the temperature variation might lead to deviation in the measurement of RI, but hardly affected the RI sensitivity.

Paper Details

Date Published: 20 November 2019
PDF: 6 pages
Proc. SPIE 11191, Advanced Sensor Systems and Applications IX, 111910D (20 November 2019); doi: 10.1117/12.2537196
Show Author Affiliations
Bingcheng Wu, Jilin Univ. (China)
Haiyang Bao, Jilin Univ. (China)
Fangda Yu, Beihua Univ. (China)
Peng Xue, Jilin Univ. (China)
Jie Zheng, Jilin Univ. (China)


Published in SPIE Proceedings Vol. 11191:
Advanced Sensor Systems and Applications IX
Tiegen Liu; Gang-Ding Peng; Zuyuan He, Editor(s)

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