Comparison between capacitive and microstructured optical fiber soil moisture sensors

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dc.contributor.authorLópez Aldaba, Aitor
dc.contributor.authorLópez Torres, Diego
dc.contributor.authorCampo-Bescós, Miguel
dc.contributor.authorLópez Rodríguez, José Javier
dc.contributor.authorYerro Lizarazu, David
dc.contributor.authorElosúa Aguado, César
dc.contributor.authorArregui San Martín, Francisco Javier
dc.contributor.authorAuguste, Jean-Louis
dc.contributor.authorJamier, Raphael
dc.contributor.authorRoy, Philippe
dc.contributor.authorLópez-Amo Sáinz, Manuel
dc.contributor.departmentIngeniaritza Elektrikoa eta Elektronikoaeu
dc.contributor.departmentLanda Ingeniaritza eta Proiektuakeu
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.contributor.departmentInstitute on Innovation and Sustainable Development in Food Chain - ISFOODen
dc.contributor.departmentIngeniería Eléctrica y Electrónicaes_ES
dc.contributor.departmentProyectos e Ingeniería Rurales_ES
dc.date.accessioned2019-02-15T12:02:29Z
dc.date.available2019-02-15T12:02:29Z
dc.date.issued2018
dc.description.abstractSoil moisture content has always been an important parameter to control because it is a deterministic factor for site-specific irrigation, seeding, transplanting, and compaction detection. In this work, a discrete sensor that is based on a SnO2–FP (Fabry-Pérot) cavity is presented and characterized in real soil conditions. As far as authors know, it is the first time that a microstructured optical fiber is used for real soil moisture measurements. Its performance is compared with a commercial capacitive soil moisture sensor in two different soil scenarios for two weeks. The optical sensor shows a great agreement with capacitive sensor’s response and gravimetric measurements, as well as a fast and reversible response; moreover, the interrogation technique allows for several sensors to be potentially multiplexed, which offers the possibility of local measurements instead of volumetric: it constitutes a great tool for real soil moisture monitoring.en
dc.description.sponsorshipThis work was supported by the Spanish Government projects TEC2016-76021-C2-1-R, TEC2016-78047-R, TEC2016-79367-C2-2-R, Innocampus and the Cost Action MP 1401, as well as to the AEI/FEDER Funds.en
dc.format.extent12 p.
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.3390/app8091499
dc.identifier.issn2076-3417 (Electronic)
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/32309
dc.language.isoengen
dc.publisherMDPIen
dc.relation.ispartofApplied Sciences 2018, 8 (9), 1499en
dc.relation.projectIDinfo:eu-repo/grantAgreement/ES/1PE/TEC2016-76021/
dc.relation.projectIDinfo:eu-repo/grantAgreement/ES/1PE/TEC2016-78047-R/
dc.relation.projectIDinfo:eu-repo/grantAgreement/ES/1PE/TEC2016-79367/
dc.relation.publisherversionhttps://doi.org/10.3390/app8091499
dc.rights© 2018 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.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectPhotonic crystal fiberen
dc.subjectMicrostructured optical fiberen
dc.subjectFiber sensoren
dc.subjectHumidity sensingen
dc.subjectSoil moistureen
dc.titleComparison between capacitive and microstructured optical fiber soil moisture sensorsen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
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