Fiber Bragg grating sensor for the measurement of elevated temperature

Yage Zhan; Shiqing Xiang; Hong He; Rude Zhu; XiangZhao Wang

doi:10.1117/12.576576

14 February 2005 Fiber Bragg grating sensor for the measurement of elevated temperature

Yage Zhan, Shiqing Xiang, Hong He, Rude Zhu, XiangZhao Wang

Proceedings Volume 5634, Advanced Sensor Systems and Applications II; (2005) https://doi.org/10.1117/12.576576
Event: Photonics Asia, 2004, Beijing, China

Abstract

A novel fiber Bragg grating (FBG) sensor for the measurement of high temperature is studied. The sensing head is comprised of one FBG and two metal strips with different lengths and different coefficients of thermal-expansion (CTE). The temperature to be measured can be converted into the strain of the FBG. One can know the temperature according to the peak wavelength shift of the FBG induced by the strain. A dynamic range of 800°C and a resolution of 1°C can be obtained by this sensor system. The experiment results well agree with the theoretical analysis.

Citation Download Citation

Yage Zhan, Shiqing Xiang, Hong He, Rude Zhu, and XiangZhao Wang "Fiber Bragg grating sensor for the measurement of elevated temperature", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.576576

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