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).

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Description/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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1049/el:19951037
ISSNs: 0013-5194 (print)
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ePrint ID: 78137
Date :
Date Event
1995Published
Date Deposited: 11 Mar 2010
Last Modified: 18 Apr 2017 20:24
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/78137

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