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Proceedings Paper

Signal detection scheme for high-precision Sagnac temperature sensor
Author(s): Yuanhong Yang; Guangwei Meng; Yan Jia
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Paper Abstract

A temperature sensor based on polarization non-reciprocity in fiber Sagnac interferometer was proposed and investigated theoretically and experimentally. Special signal detection schemes were proposed and an experimental system with an all polarization configuration was setup. The temperature measurement experiment was done within -40°C ~ +60 °C range and the stability were investigated at absolute 0 °C in mixture of ice and water respectively. The result agrees with theory well and good performance has been obtained with parameters optimized. Discussion shows that this kind of temperature sensor can achieve high precision and has great application potential.

Paper Details

Date Published: 14 February 2005
PDF: 5 pages
Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.574636
Show Author Affiliations
Yuanhong Yang, Beijing Univ. of Aeronautics and Astronautics (China)
Guangwei Meng, Beijing Univ. of Aeronautics and Astronautics (China)
Yan Jia, Beijing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 5634:
Advanced Sensor Systems and Applications II
Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng, Editor(s)

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