DocumentCode
1140394
Title
Simultaneous Strain and Temperature Measurement With Fiber Bragg Grating and Multimode Fibers Using an Intensity-Based Interrogation Method
Author
Zhou, Da-Peng ; Wei, Li ; Liu, Wing-Ki ; Lit, John W.Y.
Author_Institution
Dept. of Phys. & Astron., Univ. of Waterloo, Waterloo, ON
Volume
21
Issue
7
fYear
2009
fDate
4/1/2009 12:00:00 AM
Firstpage
468
Lastpage
470
Abstract
A new all-fiber sensor capable of simultaneous measurement of strain and temperature is presented. The sensor system is formed by a fiber Bragg grating and two sections of multimode fibers (MMFs). One section of the MMF is isolated from strain and acts as a temperature-dependent edge filter, while the other is isolated from both strain and temperature changes. By monitoring the optical power changes, it is feasible to obtain information that permits simultaneous measurement of strain and temperature with a low-cost and simple structure.
Keywords
Bragg gratings; fibre optic sensors; strain measurement; temperature measurement; temperature sensors; all-fiber sensor; fiber Bragg grating; intensity-based interrogation method; multimode fibers; optical power changes; strain measurement; temperature measurement; temperature-dependent edge filter; Fiber Bragg gratings (FBGs); multimode fibers (MMFs); optical fiber sensors;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2009.2013640
Filename
4773183
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