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A multiplexed CW Brillouin system for precise interrogation of a sensor array made from short discrete sections of optical fibre

A multiplexed CW Brillouin system for precise interrogation of a sensor array made from short discrete sections of optical fibre
A multiplexed CW Brillouin system for precise interrogation of a sensor array made from short discrete sections of optical fibre
A novel configuration for precise temperature sensing in an array of optical fibre sections is reported. The sections are chosen to have different Brillouin shifts, to enable separation of scattered light signals in the frequency domain, rather than the traditional time domain, allowing lower-noise CW operation and greater precision due to the 100% duty cycle.
instrumentation, fiber-optic sensor, optical fibers, brillouin scattering, temperature sensing
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Chin, S.
4b86674b-15b7-48e6-95f4-eedee7b06ff8
Thévenaz, L.
dcd9e2f8-6c3a-45d4-8328-5257981ada3f
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Chin, S.
4b86674b-15b7-48e6-95f4-eedee7b06ff8
Thévenaz, L.
dcd9e2f8-6c3a-45d4-8328-5257981ada3f

Dakin, J.P., Chin, S. and Thévenaz, L. (2008) A multiplexed CW Brillouin system for precise interrogation of a sensor array made from short discrete sections of optical fibre. 19th International Conference on Optical Fibre Sensors (OFS-19). 14 - 18 Apr 2008. 4 pp . (doi:10.1117/12.801233).

Record type: Conference or Workshop Item (Paper)

Abstract

A novel configuration for precise temperature sensing in an array of optical fibre sections is reported. The sections are chosen to have different Brillouin shifts, to enable separation of scattered light signals in the frequency domain, rather than the traditional time domain, allowing lower-noise CW operation and greater precision due to the 100% duty cycle.

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More information

Published date: April 2008
Venue - Dates: 19th International Conference on Optical Fibre Sensors (OFS-19), 2008-04-14 - 2008-04-18
Keywords: instrumentation, fiber-optic sensor, optical fibers, brillouin scattering, temperature sensing

Identifiers

Local EPrints ID: 52044
URI: https://eprints.soton.ac.uk/id/eprint/52044
PURE UUID: a66768a3-85fe-4d58-a3e5-3676f4f5e6ee

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Date deposited: 09 Jun 2008
Last modified: 19 Jul 2019 18:44

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