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dc.contributor.authorLeal, Arnaldo G.-
dc.contributor.authorFrizera, Anselmo-
dc.contributor.authorTheodosiou, Antreas-
dc.contributor.authorDíaz, Camilo-
dc.contributor.authorJimenez, Mario-
dc.contributor.authorMin, Rui-
dc.contributor.authorPontes, Maria José-
dc.contributor.authorKalli, Kyriacos-
dc.contributor.authorMarques, Carlos-
dc.date.accessioned2020-07-23T10:15:42Z-
dc.date.available2020-07-23T10:15:42Z-
dc.date.issued2019-10-15-
dc.identifier.citationIEEE Sensors Journal, 2019, vol. 19, no. 20, pp. 9221-9228en_US
dc.identifier.issn15581748-
dc.identifier.urihttps://hdl.handle.net/20.500.14279/18556-
dc.description.abstractIn this paper, we report the development of fiber Bragg gratings (FBGs) arrays in polymer optical fibers (POFs), specifically cyclic transparent optical polymer (CYTOP) fibers, using a femtosecond (fs) laser. The CYTOP is almost transparent to near-ultraviolet and visible light, thus femtosecond lasers appear to be a very promising technology for the development of gratings in such fibers. Bearing this in mind, we have applied the direct write, plane-by-plane inscription method to obtain 'single-peak' FBGs in long arrays. Following this, we examine the performance of a 5-FBG array applied in a smart walker (SW) and characterized for four different functionalities of the proposed healthcare device. The polymer sensors were used to analyze 1) structural health monitoring (SHM) of the SW's mechanical structure; 2) detection of users' movement intention; 3) gait cadence estimation; and 4) detection of floor-induced vibrations for localization and mapping applications. The good results obtained in comparison to commercially available devices show the suitability of the proposed FBG-array on the instrumentation of healthcare devices, where multiple parameters can be measured using the same fiber, which leads to a compact and energy efficient system.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofIEEE Sensors Journalen_US
dc.rights© IEEEen_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.subjectFiber Bragg gratingsen_US
dc.subjectHealthcare devicesen_US
dc.subjectPolymer optical fibersen_US
dc.subjectSmart walkersen_US
dc.titlePlane-by-Plane Written, Low-Loss Polymer Optical Fiber Bragg Grating Arrays for Multiparameter Sensing in a Smart Walkeren_US
dc.typeArticleen_US
dc.collaborationFederal University of Espirito Santoen_US
dc.collaborationCyprus University of Technologyen_US
dc.collaborationEl Bosque Universityen_US
dc.collaborationUniversitat Politècnica de Valènciaen_US
dc.collaborationUniversity of Aveiroen_US
dc.subject.categoryElectrical Engineering - Electronic Engineering - Information Engineeringen_US
dc.journalsSubscriptionen_US
dc.countryBrazilen_US
dc.countryCyprusen_US
dc.countryColombiaen_US
dc.countrySpainen_US
dc.countryPortugalen_US
dc.subject.fieldEngineering and Technologyen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.1109/JSEN.2019.2921419en_US
dc.identifier.scopus2-s2.0-85072582920-
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/85072582920-
dc.relation.issue20en_US
dc.relation.volume19en_US
cut.common.academicyear2019-2020en_US
dc.identifier.spage9221en_US
dc.identifier.epage9228en_US
item.fulltextNo Fulltext-
item.languageiso639-1en-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.cerifentitytypePublications-
item.openairetypearticle-
crisitem.journal.journalissn1530437X-
crisitem.journal.publisherIEEE-
crisitem.author.deptDepartment of Electrical Engineering, Computer Engineering and Informatics-
crisitem.author.deptDepartment of Electrical Engineering, Computer Engineering and Informatics-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0002-5912-9138-
crisitem.author.orcid0000-0003-4541-092X-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Engineering and Technology-
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