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Optical Engineering

Strain dependence of fiber Bragg grating sensors at low temperature
Author(s): Xiaojing Zhang; Zhanjun Wu; Boming Zhang
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Paper Abstract

The strain and temperature response of fiber Bragg grating (FBG) sensors has been measured from 123 to 317 K. The wavelength shift of FBGs is found to be linear with applied tensile strain at a constant temperature. On the other hand, their strain sensitivity is found to increase linearly with decreasing temperature. The nonlinear temperature dependence of FBG sensors is confirmed.

Paper Details

Date Published: 1 May 2006
PDF: 4 pages
Opt. Eng. 45(5) 054401 doi: 10.1117/1.2202642
Published in: Optical Engineering Volume 45, Issue 5
Show Author Affiliations
Xiaojing Zhang, Harbin Institute of Technology (China)
Zhanjun Wu, Harbin Institute of Technology (China)
Boming Zhang, Harbin Institute of Technology (China)


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