Tiny optical fiber temperature sensor based on temperature-dependent refractive index of zinc telluride film

Qiang Bian; Zhangqi Song; Dongyu Song; Xueliang Zhang; Bingsheng Li; Yang Yu; Yuzhong Chen

doi:10.1117/12.2315316

6 March 2018 Tiny optical fiber temperature sensor based on temperature-dependent refractive index of zinc telluride film

Qiang Bian, Zhangqi Song, Dongyu Song, Xueliang Zhang, Bingsheng Li, Yang Yu, Yuzhong Chen

Author Affiliations +

Proceedings Volume 10710, Young Scientists Forum 2017; 107100U (2018) https://doi.org/10.1117/12.2315316
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

The temperature-dependent refractive index of zinc telluride film can be used to develop a tiny, low cost and film-coated optical fiber temperature sensor. Pulse reference-based compensation technique is used to largely reduce the background noise which makes it possible to detect the minor reflectivity change of the film in different temperatures. The temperature sensitivity is 0.0034dB/℃ and the background noise is measured to be 0.0005dB, so the resolution can achieve 0.2℃.

Citation Download Citation

Qiang Bian, Zhangqi Song, Dongyu Song, Xueliang Zhang, Bingsheng Li, Yang Yu, and Yuzhong Chen "Tiny optical fiber temperature sensor based on temperature-dependent refractive index of zinc telluride film", Proc. SPIE 10710, Young Scientists Forum 2017, 107100U (6 March 2018); https://doi.org/10.1117/12.2315316

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