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Proceedings Paper

Simultaneously spatial-, time-, and wavelength-division multiplexed in-fiber Bragg grating sensor network
Author(s): Yun-Jiang Rao; Antonio B. Lobo Ribeiro; David A. Jackson; Lin Zhang; Ian Bennion
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Paper Abstract

A simultaneous spatial, time and wavelength division multiplexing topology, with combination of a tunable wavelength filter and an interferometric wavelength scanner, is proposed to interrogate a range of in-fiber Bragg grating (FBG) sensors. An eleven-element FBG sensor network based upon this topology is demonstrated for quasi-static strain sensing. Preliminary experimental results show that a strain resolution of approximately 7 (mu) (epsilon) with an approximately 30 Hz bandwidth (approximately 1.3 (mu) (epsilon) /(root)Hz) for quasi-static strain measurement has been obtained.

Paper Details

Date Published: 27 November 1996
PDF: 8 pages
Proc. SPIE 2838, Distributed and Multiplexed Fiber Optic Sensors VI, (27 November 1996); doi: 10.1117/12.259796
Show Author Affiliations
Yun-Jiang Rao, Univ. of Kent at Canterbury (China)
Antonio B. Lobo Ribeiro, INESC (Portugal)
David A. Jackson, Univ. of Kent at Canterbury (United Kingdom)
Lin Zhang, Aston Univ. (United Kingdom)
Ian Bennion, Aston Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 2838:
Distributed and Multiplexed Fiber Optic Sensors VI
Alan D. Kersey; John P. Dakin, Editor(s)

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