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Advances in optical fibre distributed temperature sensing using Landau-Placzek ratio

Advances in optical fibre distributed temperature sensing using Landau-Placzek ratio
Advances in optical fibre distributed temperature sensing using Landau-Placzek ratio
This paper demonstrates the recent achievements in the field of optical fibre distributed temperature sensing utilising the Landau-Placzek ratio. We report a novel method of producing both the Rayleigh and Brillouin backscattered signals using a single laser source which may be scanned over 5nm to reduce coherent Rayleigh noise. A spatial resolution of 10 metres and temperature resolution of 1.4°C has now been achieved using this technique.
1041-1135
126-128
Lees, G.P.
0c1c9d69-debd-4e3c-a159-b3463564ca2e
Wait, P.C.
5cb979e7-285b-48a0-8b5f-0761ef2da484
Cole, M.J.
10f9ce86-9ed0-4e4f-9da8-8b85161669b3
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7
Lees, G.P.
0c1c9d69-debd-4e3c-a159-b3463564ca2e
Wait, P.C.
5cb979e7-285b-48a0-8b5f-0761ef2da484
Cole, M.J.
10f9ce86-9ed0-4e4f-9da8-8b85161669b3
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7

Lees, G.P., Wait, P.C., Cole, M.J. and Newson, T.P. (1998) Advances in optical fibre distributed temperature sensing using Landau-Placzek ratio. IEEE Photonics Technology Letters, 10 (1), 126-128. (doi:10.1109/68.651134).

Record type: Article

Abstract

This paper demonstrates the recent achievements in the field of optical fibre distributed temperature sensing utilising the Landau-Placzek ratio. We report a novel method of producing both the Rayleigh and Brillouin backscattered signals using a single laser source which may be scanned over 5nm to reduce coherent Rayleigh noise. A spatial resolution of 10 metres and temperature resolution of 1.4°C has now been achieved using this technique.

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Published date: 1998

Identifiers

Local EPrints ID: 77872
URI: https://eprints.soton.ac.uk/id/eprint/77872
ISSN: 1041-1135
PURE UUID: ae186c85-7ce8-4bb2-9710-3db37bcc81f4

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Date deposited: 11 Mar 2010
Last modified: 17 Jul 2019 00:13

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Contributors

Author: G.P. Lees
Author: P.C. Wait
Author: M.J. Cole
Author: T.P. Newson

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