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A high sensitive fiber Bragg grating strain sensor with automatic temperature compensation

Li, Kuo & Zhou, Zhen’an (2009) A high sensitive fiber Bragg grating strain sensor with automatic temperature compensation. Chinese Optics Letters, 7(3), pp. 191-193.

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Abstract

A high sensitive fiber Bragg grating (FBG) strain sensor with automatic temperature compensation is demonstrated. FBG is axially linked with a stick and their free ends are fixed to the measured object.

When the measured strain changes, the stick does not change in length, but the FBG does. When the temperature changes, the stick changes in length to pull the FBG to realize temperature compensation.

In experiments, 1.45 times strain sensitivity of bare FBG with temperature compensation of less than 0.1 nm Bragg wavelength drift over 100 ◦C shift is achieved.

Impact and interest:

11 citations in Scopus
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8 citations in Web of Science®

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72 since deposited on 12 Jun 2012
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ID Code: 50857
Item Type: Journal Article
Keywords: Strain Sensor, Fiber Bragg grating (FBG), Automatic temperature compensation
ISSN: 1671-7694
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2009 Chinese Optics Letters
Deposited On: 13 Jun 2012 08:50
Last Modified: 14 Jun 2012 13:54

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