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Simultaneous temperature and strain measurement with combined spontaneous Raman and Brillouin scattering

Simultaneous temperature and strain measurement with combined spontaneous Raman and Brillouin scattering
Simultaneous temperature and strain measurement with combined spontaneous Raman and Brillouin scattering
We report on a novel method for simultaneous distributed measurement of temperature and strain based on spatially resolving both spontaneous Raman and Brillouin backscattered anti-Stokes signals. The magnitude of the intensity of the anti-Stokes Raman signal permits the determination of the temperature. The Brillouin frequency shift is dependent on both the temperature and the strain of the fiber; once the temperature has been determined from the Raman signal, the strain can then be computed from the frequency measurement of the Brillouin signal.
fiber optics, optical communications, fiber optics sensors, backscattering, Brillouin scattering, Raman scattering, scattering
0146-9592
1276-1278
Alahbabi, M.N.
d1831f9f-7696-4b27-86f2-d9cc7f8c00e7
Cho, Y.T.
eea77b90-e7f3-4496-9637-721dfe8fb5a4
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7
Alahbabi, M.N.
d1831f9f-7696-4b27-86f2-d9cc7f8c00e7
Cho, Y.T.
eea77b90-e7f3-4496-9637-721dfe8fb5a4
Newson, T.P.
6735857e-d947-45ec-8163-54ebb25daad7

Alahbabi, M.N., Cho, Y.T. and Newson, T.P. (2005) Simultaneous temperature and strain measurement with combined spontaneous Raman and Brillouin scattering. Optics Letters, 30 (11), 1276-1278. (doi:10.1364/OL.30.001276).

Record type: Article

Abstract

We report on a novel method for simultaneous distributed measurement of temperature and strain based on spatially resolving both spontaneous Raman and Brillouin backscattered anti-Stokes signals. The magnitude of the intensity of the anti-Stokes Raman signal permits the determination of the temperature. The Brillouin frequency shift is dependent on both the temperature and the strain of the fiber; once the temperature has been determined from the Raman signal, the strain can then be computed from the frequency measurement of the Brillouin signal.

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More information

Published date: June 2005
Keywords: fiber optics, optical communications, fiber optics sensors, backscattering, Brillouin scattering, Raman scattering, scattering

Identifiers

Local EPrints ID: 21002
URI: https://eprints.soton.ac.uk/id/eprint/21002
ISSN: 0146-9592
PURE UUID: 97b39f9d-2b0a-4230-87c8-2a1b167ca0b7

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Date deposited: 07 Mar 2006
Last modified: 17 Jul 2017 16:28

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Contributors

Author: M.N. Alahbabi
Author: Y.T. Cho
Author: T.P. Newson

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