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Enhancement of the dynamic range in slope-assisted coherent brillouin optical time-domain analysis sensors
dc.creator | Mariñelarena Ollacarizqueta, Jon | es_ES |
dc.creator | Urricelqui Polvorinos, Javier | es_ES |
dc.creator | Loayssa Lara, Alayn | es_ES |
dc.date.accessioned | 2018-12-28T14:55:10Z | |
dc.date.available | 2018-12-28T14:55:10Z | |
dc.date.issued | 2017 | |
dc.identifier.issn | 1943-0655 (Print)||1943-0655(Electronic) | |
dc.identifier.uri | https://hdl.handle.net/2454/31910 | |
dc.description.abstract | We present two techniques that provide an extension of the dynamic range of coherent Brillouin optical time-domain analysis (BOTDA) sensors for dynamic measurements. This type of BOTDA sensors rely on self-heterodyne detection of a phase-modulated probe wave and the dynamic range for fast measurements is limited to the linear region of the RF phase-shift spectrum measured. The first method for range extension that we introduce is based on launching pump pulses containing multiple frequency components. This makes the Brillouin spectra generated by each component to overlap, providing a wider linear region of the detected RF phase-shift spectrum and allowing to measure larger Brillouin frequency shift variations. The second method relies on shortening the length of the pump pulses, which leads to the broadening of the detected RF spectra. The theoretical fundamentals of both range enhancing techniques are presented. Moreover, we experimentally demonstrate that they provide a threefold to fourfold enhancement in the dynamic range. Finally, the factors limiting their performance are determined: for the multi-frequency pump pulse technique, it is the worsening of Kerr non-linear effects due to the simultaneous propagation of multiple spectral components in the fiber, and, for the pulse-shortening method, it is the signal-to-noise ratio penalty linked to the reduction of the magnitude of the Brillouin interaction. | en |
dc.description.sponsorship | This work was supported in part by the Universidad Pública de Navarra, in part by the Feder funds, and in part by the Spanish Ministerio de Economía y Competitividad through Project TEC2013-47264-C2-2-R and Project TEC2016-76021-C2-1-R. | en |
dc.format.mimetype | application/pdf | en |
dc.language.iso | eng | en |
dc.publisher | IEEE | en |
dc.relation.ispartof | IEEE Photonics Journal, vol. 9, number 3, june 2017 | en |
dc.rights | © 2017 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. | en |
dc.subject | Brillouin scattering | en |
dc.subject | Distributed optic fiber sensor | en |
dc.subject | Dynamic sensor | en |
dc.title | Enhancement of the dynamic range in slope-assisted coherent brillouin optical time-domain analysis sensors | en |
dc.type | Artículo / Artikulua | es |
dc.type | info:eu-repo/semantics/article | en |
dc.contributor.department | Ingeniería Eléctrica y Electrónica | es_ES |
dc.contributor.department | Ingeniaritza Elektrikoa eta Elektronikoa | eu |
dc.rights.accessRights | Acceso abierto / Sarbide irekia | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | en |
dc.identifier.doi | 10.1109/JPHOT.2017.2701203 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//TEC2013-47264-C2-2-R/ES/ | en |
dc.relation.projectID | info:eu-repo/grantAgreement/ES/1PE/TEC2016-76021 | en |
dc.relation.publisherversion | https://dx.doi.org/10.1109/JPHOT.2017.2701203 | |
dc.type.version | Versión publicada / Argitaratu den bertsioa | es |
dc.type.version | info:eu-repo/semantics/publishedVersion | en |
dc.contributor.funder | Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa | es |