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Novel interrogating system for fibre Bragg grating sensors using an acousto-optic tunable filter

Novel interrogating system for fibre Bragg grating sensors using an acousto-optic tunable filter
Novel interrogating system for fibre Bragg grating sensors using an acousto-optic tunable filter
A new technique for the interrogation of in-fibre Bragg grating 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 wavelength shifts of a Bragg grating. Experimental results are presented for temperature measurement. This technique provides a frequency-agile system, capable of rapid, random access and very wide tuning range.
0013-5194
1510-1511
Xu, M.G.
9cd111ff-5235-42c8-8a89-47899e7e8a26
Geiger, H.
ed078c74-a1f0-4816-aee5-6adec67b9ed3
Archambault, J.L.
22245ae0-fbe9-4d25-a850-f3b38c78848a
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Xu, M.G.
9cd111ff-5235-42c8-8a89-47899e7e8a26
Geiger, H.
ed078c74-a1f0-4816-aee5-6adec67b9ed3
Archambault, J.L.
22245ae0-fbe9-4d25-a850-f3b38c78848a
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904

Xu, M.G., Geiger, H., Archambault, J.L., Reekie, L. and Dakin, J.P. (1993) Novel interrogating system for fibre Bragg grating sensors using an acousto-optic tunable filter. Electronics Letters, 29 (17), 1510-1511. (doi:10.1049/el:19931006).

Record type: Article

Abstract

A new technique for the interrogation of in-fibre Bragg grating 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 wavelength shifts of a Bragg grating. Experimental results are presented for temperature measurement. This technique provides a frequency-agile system, capable of rapid, random access and very wide tuning range.

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Published date: 1993
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Identifiers

Local EPrints ID: 78275
URI: http://eprints.soton.ac.uk/id/eprint/78275
DOI: doi:10.1049/el:19931006
ISSN: 0013-5194
PURE UUID: 963f2a76-5c7b-439d-9446-12cef663a429

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:10

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Contributors

Author: M.G. Xu
Author: H. Geiger
Author: J.L. Archambault
Author: L. Reekie
Author: J.P. Dakin

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