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Time-division-multiplexed optical fibre strain-sensor using subcarrier interferometry

Time-division-multiplexed optical fibre strain-sensor using subcarrier interferometry
Time-division-multiplexed optical fibre strain-sensor using subcarrier interferometry
A high-resolution quasi-distributed strain sensor employing subcarrier interferometry and time-division multiplexing is reported. The system tracks a null in the subcarrier frequency response of a fibre network contaming reflective discontinuities. Time gating selects the sensing section. A resolution better than 2Oµm over 5m lengths of fibre has been obtained.
0013-5194
1943-1944
Volanthen, M.
594a50e8-d66e-4b9f-a51d-663db55afdcf
Geiger, H.
ed078c74-a1f0-4816-aee5-6adec67b9ed3
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Volanthen, M.
594a50e8-d66e-4b9f-a51d-663db55afdcf
Geiger, H.
ed078c74-a1f0-4816-aee5-6adec67b9ed3
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904

Volanthen, M., Geiger, H. and Dakin, J.P. (1995) Time-division-multiplexed optical fibre strain-sensor using subcarrier interferometry Electronics Letters, 31, (22), pp. 1943-1944. (doi:10.1049/el:19951288).

Record type: Article

Abstract

A high-resolution quasi-distributed strain sensor employing subcarrier interferometry and time-division multiplexing is reported. The system tracks a null in the subcarrier frequency response of a fibre network contaming reflective discontinuities. Time gating selects the sensing section. A resolution better than 2Oµm over 5m lengths of fibre has been obtained.

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Published date: 26 October 1995

Identifiers

Local EPrints ID: 78122
URI: http://eprints.soton.ac.uk/id/eprint/78122
ISSN: 0013-5194
PURE UUID: 080b49e4-cf7c-4e74-b628-ded7488b31ef

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

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Contributors

Author: M. Volanthen
Author: H. Geiger
Author: J.P. Dakin

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