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), 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
ISSNs: 0013-5194 (print)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78137
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:58
URI: http://eprints.soton.ac.uk/id/eprint/78137

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