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Proceedings Paper

Reflectometric birefringent fiber sensor for absolute and relative strain measurement
Author(s): Michael Campbell; Gang Zheng; Peter A. Wallace; A. S. Holmes-Smith
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Paper Abstract

This paper describes a novel birefringent fiber remote strain sensor which is based on the FMCW technique and consists of a single length of single-mode birefringent fiber. The lead-in/lead-out fiber and the strain sensing fiber probe are separated by introducing a twist in the middle of the fiber. The sensor demonstrated is shown to have several advantages including a resolution of 2 microstrain resolution, a dynamic measurement range of 5000 microstrain, an environment-insensitive lead-in/lead-out signal section and a variable length strain sensing probe. The system is ideally suited to the measurement of absolute and relative strain.

Paper Details

Date Published: 25 October 1996
PDF: 6 pages
Proc. SPIE 2839, Fiber Optic and Laser Sensors XIV, (25 October 1996); doi: 10.1117/12.255358
Show Author Affiliations
Michael Campbell, Glasgow Caledonian Univ. (United Kingdom)
Gang Zheng, 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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