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Long Period Gratings in Multicore Optical Fibers for Directional Curvature Sensor Implementation

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Long Period Gratings in Multicore Optical Fibers for Directional Curvature Sensor Implementation

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dc.contributor.author Barrera Vilar, David es_ES
dc.contributor.author Madrigal-Madrigal, Javier es_ES
dc.contributor.author Sales Maicas, Salvador es_ES
dc.date.accessioned 2019-05-19T20:02:44Z
dc.date.available 2019-05-19T20:02:44Z
dc.date.issued 2018 es_ES
dc.identifier.issn 0733-8724 es_ES
dc.identifier.uri http://hdl.handle.net/10251/120702
dc.description.abstract [EN] Multicore optical fibers are especially attractive for the fabrication of curvature and shape sensors due to the spatial distribution of the different cores. Fiber Bragg gratings have been used in the past for the implementation of these sensors, however, despite their inherent properties, they have a very limited sensitivity. In this paper, we study the use of long period gratings (LPGs) for the implementation of a directional curvature sensor. We inscribed a set of three different LPGs in a seven core optical fiber using a selective inscription technique. We inscribed a single LPG in the external cores and an array of three LPGs in the central core. We have characterized the proposed sensor for strain, torsion, and curvature magnitude and direction. The proposed sensor shows a linear response for curvature magnitudes from 0 to 1.77 m(-1) with a maximum curvature sensitivity of -4.85 nm/m(-1) and shows a near sinusoidal behavior in all the cores with curvature directions from 0 degrees to 360 degrees. The sensor shows a good insensitivity to strain. The torsion in the multicore optical fibers can be detected and measured using the maximum attenuation of the LPGs in the external cores. es_ES
dc.description.sponsorship This work was supported in part by the Sistema Nacional de Garantia Juvenil under Grant PEJ-2014-A-75865 (Promocion de Empleo Joven e Implantacion de la Garantia Juvenil 2014, MINECO), in part by the Ministry of Economy and Competitiveness under Project TEC2014-60378-C2-1-R, in part by the FINESSE the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie Action Grant 722509, and in part by the Generalitat Valenciana under Grant APOSTD/2016/015. es_ES
dc.language Inglés es_ES
dc.publisher Institute of Electrical and Electronics Engineers es_ES
dc.relation.ispartof Journal of Lightwave Technology es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Curvature es_ES
dc.subject Long period gratings es_ES
dc.subject Multicore optical fiber es_ES
dc.subject Optical fiber sensor es_ES
dc.subject.classification TEORIA DE LA SEÑAL Y COMUNICACIONES es_ES
dc.title Long Period Gratings in Multicore Optical Fibers for Directional Curvature Sensor Implementation es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1109/JLT.2017.2764951 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/722509/EU/Fibre Nervous Sensing Systems/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//PEJ-2014-A-75865/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//APOSTD%2F2016%2F015/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//TEC2014-60378-C2-1-R/ES/FOTONICA DE MICROONDAS PARA APLICACIONES EMERGENTES/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Comunicaciones - Departament de Comunicacions es_ES
dc.description.bibliographicCitation Barrera Vilar, D.; Madrigal-Madrigal, J.; Sales Maicas, S. (2018). Long Period Gratings in Multicore Optical Fibers for Directional Curvature Sensor Implementation. Journal of Lightwave Technology. 36(4):1063-1068. https://doi.org/10.1109/JLT.2017.2764951 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http.//doi.org/10.1109/JLT.2017.2764951 es_ES
dc.description.upvformatpinicio 1063 es_ES
dc.description.upvformatpfin 1068 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 36 es_ES
dc.description.issue 4 es_ES
dc.relation.pasarela S\356354 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder European Commission es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES


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