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Raman-assisted distributed Brillouin sensor in optical fiber for strain and temperature monitoring in civil engineering applications

AuthorsRodríguez Barrios, Félix; Martín-López, Sonia; Carrasco-Sanz, Ana; Corredera, Pedro ; Hernanz, María Luisa ; González Herráez, Miguel
Keywordsdistributed fiber-optic sensor
scattering Brillouin
scattering Raman
Issue Date2009
PublisherD.S. Rozhdestvensky Optical Society
CitationProceedings of ISMTII-2009
AbstractInvestigation of a method to extend-range distributed temperature and strain sensor based on detection of the Brillouin frequency shift combined with counter-propagating Raman amplification has been realized. 50-km-range of standard single-mode silica fiber with great results has been sensed. Results of an experimental investigation of Brillouin frequency shift at different fibers.
Publisher version (URL)http://www.tdisie.nsc.ru/ismtii2009/
Appears in Collections:(IFA) Comunicaciones congresos
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