Brillouin distributed fibre sensing using phase modulated probe

Authors
Lu, Xin; Soto Hernández, Marcelo AlfonsoUniversity of Alcalá Author; González Herráez, MiguelUniversity of Alcalá Author; Thévenaz, Luc
Identifiers
Permanent link (URI): http://hdl.handle.net/10017/26497
DOI: 10.1117/12.2026792
ISSN: 0277-786X
ISBN: 978-08194-9-634-8
Publisher
Society of Photo-optical Instrumentation Engineers (SPIE)
Date
2013-05-19
Affiliation
Universidad de Alcalá. Departamento de Electrónica
Bibliographic citation
Lu, X., Soto, M.A., González Herráez, M. & Thévenaz, L. 2013, "Brillouin distributed fibre sensing using phase modulated probe"; Krakow, Poland, May 20, Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87943P
Keywords
Fibre optics
Brillouin scattering
Brillouin distributed fibre sensing
Optical fibre sensors
Distributed fibre sensing
Description / Notes
5-th European Workshop on Optical Fibre Sensors, Krakow, Poland, (5th EWOFS'2013) 19-22 May, 2013
Document type
info:eu-repo/semantics/conferenceObject
Version
info:eu-repo/semantics/acceptedVersion
Publisher's version
http://dx.doi.org/10.1117/12.2026792
Rights
Copyright 2013 Society of Photo Optical Instrumentation Engineers
Access rights
info:eu-repo/semantics/openAccess
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Abstract
A novel configuration for a Brillouin distributed sensor using a phase modulated probe is presented. It offers the combined advantages of a direct implementation using simple devices and a large immunity to noise, shifting the information from the baseband to a higher frequency, which substantially strengthens the robustness to perturbations, interferences and other optical coherent noises. It naturally facilitates the possibility to perform frequency-coding on the probe to realise dynamic and fast measurements, since all frequency tunings are realised at sub-GHz frequencies.
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