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Proceedings Paper

Single-piece-fiber FMCW remote strain sensor with environment-insensitive lead-in and lead-out fibers
Author(s): Gang Zheng; Michael Campbell; Peter A. Wallace; A. S. Holmes-Smith
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Paper Abstract

We present a novel optical fiber remote strain sensor which is based on the FMCW technique and consists of only one single piece of single-mode birefringent fiber. The lead-in and lead-out fibers of the sensor, which are simply separated by two polarization mode couplers, are insensitive to environment so that the sensor can remotely detect the strain variation of a distant structure. The advantages of the sensor, such as no fiber junctions, no feedback light, reasonable resolution (4 microstrain), large dynamic measurement range (5000 microstrain) and long length of sensing fiber are demonstrated in this experiment.

Paper Details

Date Published: 25 October 1996
PDF: 5 pages
Proc. SPIE 2839, Fiber Optic and Laser Sensors XIV, (25 October 1996); doi: 10.1117/12.255362
Show Author Affiliations
Gang Zheng, Glasgow Caledonian Univ. (United Kingdom)
Michael Campbell, Glasgow Caledonian Univ. (United Kingdom)
Peter A. Wallace, Glasgow Caledonian Univ. (United Kingdom)
A. S. Holmes-Smith, Glasgow Caledonian Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 2839:
Fiber Optic and Laser Sensors XIV
Ramon P. DePaula; John W. Berthold, Editor(s)

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