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50 km single-ended spontaneous Brillouin based distributed temperature sensor exploiting pulsed Raman amplification

50 km single-ended spontaneous Brillouin based distributed temperature sensor exploiting pulsed Raman amplification
50 km single-ended spontaneous Brillouin based distributed temperature sensor exploiting pulsed Raman amplification
We demonstrate enhanced performance of a single-ended spontaneous-Brillouin-intensity-based distributed- temperature sensor with a sensing length of 50km and a spatial resolution of 15m by use of Raman amplification of the probe pulse within the sensing fiber. The Raman amplification was achieved with a copropagating pump pulse at 1450nm. The standard deviation error of the temperature resolution was 1C at the front end and increased to less than 13C at 50km with Raman pulse amplification.
0146-9592
1651-1653
Cho, Y.T.
eea77b90-e7f3-4496-9637-721dfe8fb5a4
Al Ahbabi, Mohammed Nasser
263cce3f-d0d9-4bce-b0f6-7628853073ea
Gunning, M.J.
f794096b-506a-46e1-91ae-3eb905b5b56b
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7
Cho, Y.T.
eea77b90-e7f3-4496-9637-721dfe8fb5a4
Al Ahbabi, Mohammed Nasser
263cce3f-d0d9-4bce-b0f6-7628853073ea
Gunning, M.J.
f794096b-506a-46e1-91ae-3eb905b5b56b
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7

Cho, Y.T., Al Ahbabi, Mohammed Nasser, Gunning, M.J. and Newson, T.P. (2003) 50 km single-ended spontaneous Brillouin based distributed temperature sensor exploiting pulsed Raman amplification. Optics Letters, 28 (18), 1651-1653. (doi:10.1364/OL.28.001651).

Record type: Article

Abstract

We demonstrate enhanced performance of a single-ended spontaneous-Brillouin-intensity-based distributed- temperature sensor with a sensing length of 50km and a spatial resolution of 15m by use of Raman amplification of the probe pulse within the sensing fiber. The Raman amplification was achieved with a copropagating pump pulse at 1450nm. The standard deviation error of the temperature resolution was 1C at the front end and increased to less than 13C at 50km with Raman pulse amplification.

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Published date: 2003

Identifiers

Local EPrints ID: 13842
URI: http://eprints.soton.ac.uk/id/eprint/13842
ISSN: 0146-9592
PURE UUID: a6abd56f-c096-495f-b351-91f1b8ad3a76

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Date deposited: 31 Dec 2004
Last modified: 08 Jan 2022 15:46

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Contributors

Author: Y.T. Cho
Author: Mohammed Nasser Al Ahbabi
Author: M.J. Gunning
Author: T.P. Newson

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