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Interrogation of fibre-optic interferometric sensors using an acousto-optic tunable filter

Xu, M.G., Geiger, H. and Dakin, J.P. (1995) Interrogation of fibre-optic interferometric sensors using an acousto-optic tunable filter Electronics Letters, 31, (17), pp. 1487-1488. (doi:10.1049/el:19951037).

Record type: Article

Abstract

A new technique for the interrogation of interferometric-based fibre-optic sensors using an acousto-optic tunable filter (AOTF) is demonstrated. The scheme involves frequency shift keying (FSK) of the RF drive to the AOTF to track the 3hift of a single fringe peak from an interferometric sensor. Experimental results are presented for a Fizeau interferometer. The technique provides high accuracy, plus a large unambiguous tracking range free from interruptions.

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Published date: 1995

Identifiers

Local EPrints ID: 78137
URI: http://eprints.soton.ac.uk/id/eprint/78137
ISSN: 0013-5194
PURE UUID: b2b47b6a-5ac1-4fa0-9074-cdffeaa8e61e

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:26

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Contributors

Author: M.G. Xu
Author: H. Geiger
Author: J.P. Dakin

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