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Conferences > OFS > 2018 > WF > WF79

Highly Sensitive FBG-FP sensor for Simultaneous Measurement of Humidity and Temperature

Zhenguo Jing, Yueying Liu, Yue Zhang, Ang Li, Peng Song, Zhenlin Wu, Yang Zhang, and Wei Peng

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Abstract

A fiber Fabry–Perot interferometer (FPI) with the ability of temperature compensation for humidity measurement based on a polyvinyl alcohol (PVA) film is proposed and experimentally demonstrate. By measuring FP cavity gap length directly through the cross-correlation algorithm, relative humidity (RH) and temperature response sensitivity can reach up to 0.061 μm/(1%) and ~10 nm/°C, respectively.

© 2018 The Author(s)

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