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dc.creatorFernández Vallejo, Montserrates_ES
dc.creatorRota Rodrigo, Sergioes_ES
dc.creatorLópez-Amo Sáinz, Manueles_ES
dc.date.accessioned2014-05-26T07:52:22Z
dc.date.available2014-05-26T07:52:22Z
dc.date.issued2011
dc.identifier.issn1424-8220
dc.identifier.other558
dc.identifier.urihttps://hdl.handle.net/2454/10609
dc.description.abstractWe propose and demonstrate two ultra-long range fiber Bragg grating (FBG) sensor interrogation systems. In the first approach four FBGs are located 200 km from the monitoring station and a signal to noise ratio of 20 dB is obtained. The second improved version is able to detect the four multiplexed FBGs placed 250 km away, offering a signal to noise ratio of 6-8 dB. Consequently, this last system represents the longest range FBG sensor system reported so far that includes fiber sensor multiplexing capability. Both simple systems are based on a wavelength swept laser to scan the reflection spectra of the FBGs, and they are composed by two identical-lengths optical paths: the first one intended to launch the amplified laser signal by means of Raman amplification and the other one is employed to guide the reflection signal to the reception system.en
dc.description.sponsorshipThis work was supported by the Spanish Government project TEC2010-20224-C02-01.en
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.publisherMDPIen
dc.relation.ispartofSensors, 2011, 11(9). Págs. 8711-8720en
dc.rights© 2011 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).en
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.subjectSensor multiplexingen
dc.subjectRemote sensingen
dc.subjectRaman amplificationen
dc.subjectFiber Bragg gratings (FBGs)en
dc.subjectErbium doped fiberen
dc.subjectSensor systemen
dc.subjectNoiseen
dc.subjectScatteringen
dc.subjectStrainen
dc.titleRemote (250 km) fiber Bragg grating multiplexing systemen
dc.typeArtículo / Artikuluaes
dc.typeinfo:eu-repo/semantics/articleen
dc.contributor.departmentIngeniería Eléctrica y Electrónicaes_ES
dc.contributor.departmentIngeniaritza Elektrikoa eta Elektronikoaeu
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen
dc.identifier.doi10.3390/s110908711
dc.relation.publisherversionhttps://dx.doi.org/10.3390/s110908711
dc.type.versionVersión publicada / Argitaratu den bertsioaes
dc.type.versioninfo:eu-repo/semantics/publishedVersionen


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© 2011 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article
distributed under the terms and conditions of the Creative Commons Attribution license
(http://creativecommons.org/licenses/by/3.0/).
La licencia del ítem se describe como © 2011 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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