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Second-order non-local effects mitigation in BOTDA sensors by tracking the BFS profile

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dc.contributor.authorMompó Roselló, Juan José
dc.contributor.authorIribas Pardo, Haritz
dc.contributor.authorUrricelqui Polvorinos, Javier
dc.contributor.authorLoayssa Lara, Alayn
dc.contributor.departmentIngeniería Eléctrica y Electrónicaes_ES
dc.contributor.departmentIngeniaritza Elektrikoa eta Elektronikoaeu
dc.date.accessioned2019-04-15T13:41:23Z
dc.date.available2019-04-15T13:41:23Z
dc.date.issued2017
dc.description.abstractWe demonstrate a technique to mitigate the residual second-order non-local effects in Brillouin optical time-domain analysis (BOTDA) sensors in which the Brillouin frequency shift (BFS) profile is not uniform along the fiber. It is based on adding a wavelength modulation to the probe wave that makes it track the average BFS found along its way. Using this method we are able to inject a total probe wave power of 15 dBm in a 120-km sensing fiber link, which, to the best of our knowledge, is the highest probe power ever demonstrated in a long-range BOTDA sensing fiber link. The enhancement in the detected signal-to-noise ratio brought by the use of such power provides 2-MHz BFS measurement precision at the end of the 120-km sensing link with 3-m spatial resolution, all without the need to resort to additional means such as the use of coding or Raman gain.en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationJuan José Mompó, Haritz Iribas, Javier Urricelqui, Alayn Loayssa, "Second-order non-local effects mitigation in BOTDA sensors by tracking the BFS profile," Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103237E (23 April 2017).en
dc.identifier.doi10.1117/12.2265099
dc.identifier.issn0277-786X (Print)
dc.identifier.issn1996-756X (Electronic)
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/32900
dc.language.isoengen
dc.publisherSPIEen
dc.relation.ispartofProc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103237E (April 23, 2017)en
dc.relation.publisherversionhttps://doi.org/10.1117/12.2265099
dc.rightsCopyright 2017 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic re-production and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subjectBrillouin distributed sensorsen
dc.subjectBrillouin optical time domain analysisen
dc.subjectFiber optics sensorsen
dc.titleSecond-order non-local effects mitigation in BOTDA sensors by tracking the BFS profileen
dc.typeinfo:eu-repo/semantics/conferenceObject
dc.type.versionVersión aceptada / Onetsi den bertsioaes
dc.type.versioninfo:eu-repo/semantics/acceptedVersionen
dspace.entity.typePublication
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relation.isAuthorOfPublicationc694736c-d2bb-49e5-bf4f-496c976fbeff
relation.isAuthorOfPublication.latestForDiscoveryde74576b-bb39-449c-a899-c24613fe3145

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