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Proceedings Paper

Fiber Bragg grating sensor for the measurement of elevated temperature
Author(s): Yage Zhan; Shiqing Xiang; Hong He; Rude Zhu; XiangZhao Wang
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Paper 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.

Paper Details

Date Published: 14 February 2005
PDF: 6 pages
Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.576576
Show Author Affiliations
Yage Zhan, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Graduate School, CAS (China)
Shiqing Xiang, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Hong He, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Rude Zhu, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
XiangZhao Wang, Shanghai Institute of Optics and Fine Mechanics, CAS (China)


Published in SPIE Proceedings Vol. 5634:
Advanced Sensor Systems and Applications II
Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng, Editor(s)

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