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Novel frequency-agile interrogating system for fibre Bragg grating sensors

Xu, Ming Gang, Geiger, Harald, Archambault, Jean-Luc, Reekie, Laurence and Dakin, John P., (1993) Novel frequency-agile interrogating system for fibre Bragg grating sensors Kersey, Alan D. and Dakin, John P. (eds.) In Distributed and Multiplexed Fiber Optic Sensors III. vol. 2071, The International Society for Optical Engineering., pp. 59-65. (doi:10.1117/12.165920).

Record type: Conference or Workshop Item (Paper)


We have demonstrated a new frequency-agile system for the interrogation of in-fibre Bragg grating sensors. The scheme involves frequency shift keying (FSK) of the RF drive to an acousto-optic tunable filter (AOTF) to track the wavelength shifts of a Bragg grating. Theoretical studies to derive the optimum frequency deviation for achieving maximum sensitivity are given, and experimental results are presented for temperature measurement. This technique is capable of rapid, random access and very wide tuning range, showing the potential for interrogating multiplexed arrays of Bragg-grating-based sensors

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Published date: 1993
Venue - Dates: Distributed and Multiplexed Fiber Optic Sensors III, United States, 1993-01-01


Local EPrints ID: 77225
ISBN: 9780819413369
PURE UUID: 8fd28c0b-2e4b-4af1-be17-7bc27109adc8

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:33

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Author: Ming Gang Xu
Author: Harald Geiger
Author: Jean-Luc Archambault
Author: Laurence Reekie
Author: John P. Dakin
Editor: Alan D. Kersey
Editor: John P. Dakin

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