Temperature sensing by modulating phase of optical fiber

Guanxiao Cheng; Ping Xu; Chunquan Hong; Yang Cao; Feng Zhu; Shuyang Feng; Ruibin Lin

doi:10.1117/12.2020384

13 May 2013 Temperature sensing by modulating phase of optical fiber

Guanxiao Cheng, Ping Xu, Chunquan Hong, Yang Cao, Feng Zhu, Shuyang Feng, Ruibin Lin

Proceedings Volume 8788, Optical Measurement Systems for Industrial Inspection VIII; 878826 (2013) https://doi.org/10.1117/12.2020384
Event: SPIE Optical Metrology 2013, 2013, Munich, Germany

Abstract

A fiber-optic interferometer to measure differences in temperature between two single-mode fiber arms is described. Temperature changes are observed as a motion of an optical interference fringe pattern. Values are calculated for the temperature dependence of the fringe motion. Temperature measurements are made with the interferometer, and the experimental results for sensitivity are in good agreement with the theoretical values.

Citation Download Citation

Guanxiao Cheng, Ping Xu, Chunquan Hong, Yang Cao, Feng Zhu, Shuyang Feng, and Ruibin Lin "Temperature sensing by modulating phase of optical fiber", Proc. SPIE 8788, Optical Measurement Systems for Industrial Inspection VIII, 878826 (13 May 2013); https://doi.org/10.1117/12.2020384

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