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Proceedings Paper

Temperature sensor based on low-birefringence photonic crystal fiber Sagnac interferometer
Author(s): Huaping Gong; Chichiu Chan; Lihan Chen; Yongxing Jin; Xinyong Dong
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Paper Abstract

A fiber optic temperature sensor realized by low-birefringence photonic crystal fiber (PCF) based Sagnac loop is demonstrated. Due to the low birefringence of this PCF, only one dip appears in the spectrum when an amplified spontaneous emission (ASE) light source is used. The sensitivity of the temperature measurement of -0.123nm/°C is achieved in the range of 25°C-85°C, and the temperature resolution limited by the 20pm wavelength resolution of the OSA is about 0.16°C.

Paper Details

Date Published: 9 November 2010
PDF: 6 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78532B (9 November 2010); doi: 10.1117/12.869761
Show Author Affiliations
Huaping Gong, China Jiliang Univ. (China)
Chichiu Chan, Nanyang Technological Univ. (Singapore)
Lihan Chen, Nanyang Technological Univ. (Singapore)
Yongxing Jin, China Jiliang Univ. (China)
Xinyong Dong, China Jiliang Univ. (China)

Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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