Relative humidity multi-point optical sensors system based on Fast Fourier multiplexing technique

dc.contributor.authorLópez Aldaba, Aitor
dc.contributor.authorLópez Torres, Diego
dc.contributor.authorElosúa Aguado, César
dc.contributor.authorAuguste, Jean-Louis
dc.contributor.authorJamier, Raphael
dc.contributor.authorRoy, Philippe
dc.contributor.authorArregui San Martín, Francisco Javier
dc.contributor.authorLópez-Amo Sáinz, Manuel
dc.contributor.departmentIngeniaritza Elektrikoa eta Elektronikoaeu
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.contributor.departmentIngeniería Eléctrica y Electrónicaes_ES
dc.date.accessioned2019-09-16T12:10:01Z
dc.date.available2019-09-16T12:10:01Z
dc.date.issued2017
dc.description.abstractIn this paper, a new multipoint optical fiber system for relative humidity measurements based on Sn02-FP (Fabry-Pérot) sensing heads and an optical interrogator as single active device is presented and characterized. The interrogation of the sensing heads is carried out by monitoring the Fast Fourier Transform phase variations of the FP (Fabry-Pérot) interference frequencies. This method allows to multiplex several sensors with different wavelength spacing interference pattern. The sensors operate within a wide humidity range (20%-90% relative humidity) with low crosstalk between them. Five sensing heads have been measured using two different channels of the optical interrogator. The availability of four channels in the interrogator allows to multiplex a higher number of sensors, reducing proportionally the cost of each sensing point.en
dc.description.sponsorshipThe authors thank the Spanish Government projects TEC 2013-47264-C2-2-R, TEC2016-76021-C2-1-R, TEC2013- 43679-R Innocampus and the INTERREG SUDOE Project SOE3/P2/P714 as well as to the FEDER Funds.en
dc.format.extent4 p.
dc.format.mimetypeapplication/pdfen
dc.identifier.citationA. Lopez-Aldaba, D. Lopez-Torres, C. Elosua, J.-L. Auguste, R. Jamier, P. Roy, F. J. Arregui, and M. Lopez-Amo "Relative humidity multi-point optical sensors system based on fast Fourier multiplexing technique", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103233L (23 April 2017); https://doi.org/10.1117/12.2265174en
dc.identifier.doi10.1117/12.2265174
dc.identifier.issn0277-786X
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/34852
dc.language.isoengen
dc.publisherSPIEen
dc.relation.ispartof25th International Conference on Optical Fiber Sensors, edited by Youngjoo Chung… [et al.], Proc. of SPIE Vol. 10323, 103233Len
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO//TEC2013-47264-C2-2-R/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/ES/1PE/TEC2016-76021/
dc.relation.publisherversionhttps://doi.org/10.1117/12.2265174en
dc.rights© 2017 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, or modification of the contents of the publication are prohibited.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subjectPhotonic crystal fiberen
dc.subjectMicrostructured optical fiberen
dc.subjectSputteringen
dc.subjectFiber sensoren
dc.subjectHumidity sensingen
dc.subjectFast Fourier transformen
dc.subjectMultiplexingen
dc.titleRelative humidity multi-point optical sensors system based on Fast Fourier multiplexing techniqueen
dc.typeinfo:eu-repo/semantics/conferenceObject
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
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