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Sensitivity enhancement in low cutoff wavelength long-period fiber gratings by cladding diameter reduction
dc.creator | Del Villar, Ignacio | es_ES |
dc.creator | Partridge, Matthew | es_ES |
dc.creator | Rodríguez Rodríguez, Wenceslao Eduardo | es_ES |
dc.creator | Fuentes Lorenzo, Omar | es_ES |
dc.creator | Socorro Leránoz, Abián Bentor | es_ES |
dc.creator | Díaz Lucas, Silvia | es_ES |
dc.creator | Corres Sanz, Jesús María | es_ES |
dc.creator | James, Stephen | es_ES |
dc.creator | Tatam, Ralph | es_ES |
dc.date.accessioned | 2017-11-15T08:00:41Z | |
dc.date.available | 2017-11-15T08:00:41Z | |
dc.date.issued | 2017 | |
dc.identifier.issn | 1424-8220 | |
dc.identifier.uri | https://hdl.handle.net/2454/26134 | |
dc.description.abstract | The diameter of long-period fiber gratings (LPFGs) fabricated in optical fibers with a low cutoff wavelength was be reduced by hydrofluoric acid etching, enhancing the sensitivity to refractive index by more than a factor of 3, to 2611 nm/refractive index unit in the range from 1.333 to 1.4278. The grating period selected for the LPFGs allowed access to the dispersion turning point at wavelengths close to the visible range of the optical spectrum, where optical equipment is less expensive. As an example of an application, a pH sensor based on the deposition of a polymeric coating was analyzed in two situations: with an LPFG without diameter reduction and with an LPFG with diameter reduction. Again, a sensitivity increase of a factor of near 3 was obtained, demonstrating the ability of this method to enhance the sensitivity of thin-film-coated LPFG chemical sensors. | en |
dc.description.sponsorship | This work was supported by the Spanish Agencia Estatal de Investigación (AEI) and Fondo Europeo de Desarrollo Regional (FEDER) (TEC2016-79367-C2-2-R, TEC2016-78047-R), by the Government of Navarre through the project with reference 2017/PI044 and with funding from the Engineering and Physical Sciences Research Council (EPSRC) UK, EP/L010437/1. | en |
dc.format.extent | 12 p. | |
dc.format.mimetype | application/pdf | en |
dc.language.iso | eng | en |
dc.publisher | MDPI | en |
dc.relation.ispartof | Sensors, 2017, 17(9), 2094 | en |
dc.rights | © 2017 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 (CC BY) license. | en |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
dc.subject | Fiber optics sensors | en |
dc.subject | Fiber Bragg gratings | en |
dc.subject | Fibers | en |
dc.subject | Single-mode | en |
dc.subject | Etching | en |
dc.subject | PH sensor | en |
dc.title | Sensitivity enhancement in low cutoff wavelength long-period fiber gratings by cladding diameter reduction | 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.contributor.department | Institute of Smart Cities - ISC | es_ES |
dc.rights.accessRights | Acceso abierto / Sarbide irekia | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | en |
dc.identifier.doi | 10.3390/s17092094 | |
dc.relation.projectID | info:eu-repo/grantAgreement/ES/1PE/TEC2016-79367 | en |
dc.relation.projectID | info:eu-repo/grantAgreement/ES/1PE/TEC2016-78047-R | en |
dc.relation.publisherversion | https://dx.doi.org/10.3390/s17092094 | |
dc.type.version | Versión publicada / Argitaratu den bertsioa | es |
dc.type.version | info:eu-repo/semantics/publishedVersion | en |
dc.contributor.funder | Gobierno de Navarra / Nafarroako Gobernua: 2017/PI044 | es |