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Time-frequency analysis of long fiber Bragg gratings with low reflectivity

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Time-frequency analysis of long fiber Bragg gratings with low reflectivity

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dc.contributor.author Sancho Durá, Juan es_ES
dc.contributor.author Chin, Sanghoon es_ES
dc.contributor.author Barrera Vilar, David es_ES
dc.contributor.author Sales Maicas, Salvador es_ES
dc.contributor.author Thevenaz, Luc es_ES
dc.date.accessioned 2015-09-07T11:24:35Z
dc.date.available 2015-09-07T11:24:35Z
dc.date.issued 2013-03-25
dc.identifier.issn 1094-4087
dc.identifier.uri http://hdl.handle.net/10251/54349
dc.description.abstract A new technique to investigate the spatial distribution of the reflection spectrum along fabricated long weak fiber Bragg gratings (FBG) is experimentally demonstrated, together with its potential applications for distributed fiber sensing and broadband signal processing. A short pulsed coherent light signal is launched into a FBG and the signal frequency is scanned through the FBG reflection spectrum. When the pulse duration is set much shorter than the transit time through the grating a time-resolved reflected signal can be obtained for each signal frequency. It informs about the distribution of the refractive index periodic perturbation along the entire FBG length, hence the uniformity or frequency chirp information of the fabricated FBG. This technique has been implemented to demonstrate a distributed temperature sensing system with high spatial resolution and to also realize a robust all-fiber tunable delay line for broadband signals. es_ES
dc.description.sponsorship The authors wish to acknowledge the financial support of the European Commission through the COST Action TD1001 "OFSeSa"; Infraestructura FEDER UPVOV08-3E-008, FEDER UPVOV10-3E-492, Ministerio de Ciencia e Innovacion through the project TEC2011-29120C05-05, the Swiss National Science Foundation through project 200021-134546 and the EPFL Space Center. en_EN
dc.language Inglés es_ES
dc.publisher Optical Society of America es_ES
dc.relation European Commission es_ES
dc.relation Infraestructura FEDER UPVOV08-3E-008 es_ES
dc.relation FEDER UPVOV10-3E-492 es_ES
dc.relation Ministerio de Ciencia e Innovacion TEC2011-29120C05-05 es_ES
dc.relation Swiss National Science Foundation 200021-134546 es_ES
dc.relation EPFL Space Center es_ES
dc.relation.ispartof Optics Express es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Wavelength es_ES
dc.subject Sensors es_ES
dc.subject FBG es_ES
dc.subject.classification TEORIA DE LA SEÑAL Y COMUNICACIONES es_ES
dc.title Time-frequency analysis of long fiber Bragg gratings with low reflectivity es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1364/OE.21.007171
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Telecomunicación y Aplicaciones Multimedia - Institut Universitari de Telecomunicacions i Aplicacions Multimèdia es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Comunicaciones - Departament de Comunicacions es_ES
dc.description.bibliographicCitation Sancho Durá, J.; Chin, S.; Barrera Vilar, D.; Sales Maicas, S.; Thevenaz, L. (2013). Time-frequency analysis of long fiber Bragg gratings with low reflectivity. Optics Express. 21(6):7171-7179. doi:10.1364/OE.21.007171 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1364/OE.21.007171 es_ES
dc.description.upvformatpinicio 7171 es_ES
dc.description.upvformatpfin 7179 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 21 es_ES
dc.description.issue 6 es_ES
dc.relation.senia 254170 es_ES
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