Dynamic baseline matching method to increase the stability of distributed optical fiber temperature sensors

Honglin Liu; Songlin Zhuang; Zaixuan Zhang; Jianfeng Wang

doi:10.1117/12.481987

9 September 2002 Dynamic baseline matching method to increase the stability of distributed optical fiber temperature sensors

Honglin Liu, Songlin Zhuang, Zaixuan Zhang, Jianfeng Wang

Author Affiliations +

Proceedings Volume 4920, Advanced Sensor Systems and Applications; (2002) https://doi.org/10.1117/12.481987
Event: Photonics Asia, 2002, Shanghai, China

Abstract

In the development of distributed optical fiber temperature sensors, there is big noise in the measured temperature curve. The noise is caused by the fluctuation of laser power. If the laser power fluctuates more than 5%, then there will be very large noise in the demodulated temperature OTDR curve. A new method called dynamic base line matching is taken to eliminate this noise. The experiment result is quite well

Citation Download Citation

Honglin Liu, Songlin Zhuang, Zaixuan Zhang, and Jianfeng Wang "Dynamic baseline matching method to increase the stability of distributed optical fiber temperature sensors", Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); https://doi.org/10.1117/12.481987

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