Simultaneously spatial-, time-, and wavelength-division multiplexed in-fiber Bragg grating sensor network

Yun-Jiang Rao; Antonio B. Lobo Ribeiro; David A. Jackson; Lin Zhang; Ian Bennion

doi:10.1117/12.259796

27 November 1996 Simultaneously spatial-, time-, and wavelength-division multiplexed in-fiber Bragg grating sensor network

Yun-Jiang Rao, Antonio B. Lobo Ribeiro, David A. Jackson, Lin Zhang, Ian Bennion

Author Affiliations +

Proceedings Volume 2838, Distributed and Multiplexed Fiber Optic Sensors VI; (1996) https://doi.org/10.1117/12.259796
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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.

Citation Download Citation

Yun-Jiang Rao, Antonio B. Lobo Ribeiro, David A. Jackson, Lin Zhang, and Ian Bennion "Simultaneously spatial-, time-, and wavelength-division multiplexed in-fiber Bragg grating sensor network", Proc. SPIE 2838, Distributed and Multiplexed Fiber Optic Sensors VI, (27 November 1996); https://doi.org/10.1117/12.259796

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