Publication: THz sensing with anomalous extraordinary optical transmission hole arrays
| dc.contributor.author | Jáuregui López, Irati | |
| dc.contributor.author | Rodríguez Ulibarri, Pablo | |
| dc.contributor.author | Kuznetsov, Sergei A. | es_ES |
| dc.contributor.author | Nikolaev, Nazar A. | es_ES |
| dc.contributor.author | Beruete Díaz, Miguel | |
| dc.contributor.department | Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren | eu |
| dc.contributor.department | Institute of Smart Cities - ISC | en |
| dc.contributor.department | Ingeniería Eléctrica, Electrónica y de Comunicación | es_ES |
| dc.date.accessioned | 2018-11-09T11:33:08Z | |
| dc.date.available | 2018-11-09T11:33:08Z | |
| dc.date.issued | 2018 | |
| dc.description.abstract | Subwavelength hole array (HA) metasurfaces support the so-called extraordinary optical transmission (EOT) resonance that has already been exploited for sensing. In this work, we demonstrate the superior performance of a different resonant regime of HA metasurfaces called anomalous EOT, by doing a thorough numerical and experimental study of its ability in thin-film label-free sensing applications in the terahertz (THz) band. A comprehensive analysis using both the regular and anomalous EOT resonances is done by depositing thin layers of dielectric analyte slabs of different thicknesses on the structures in different scenarios. We carry out a detailed comparison and demonstrate that the best sensing performance is achieved when the structure operates in the anomalous EOT resonance and the analyte is deposited on the non-patterned side of the metasurface, improving by a factor between 2 and 3 the results of the EOT resonance in any of the considered scenarios. This can be explained by the comparatively narrower linewidth of the anomalous EOT resonance. The results presented expand the reach of subwavelength HAs for sensing applications by considering the anomalous EOT regime that is usually overlooked in the literature. | en |
| dc.description.sponsorship | This research was funded by the Spanish Ministerio de Economía y Competitividad with European Union Fondo Europeo de Desarrollo Regional (FEDER) funds, grant number TEC2014-51902-C2-2-R. The work was partially supported by the Russian Foundation for Basic Research (Project No. 17-32-80039, experimental study; Project No. 18-29-20066, technological implementation). | en |
| dc.format.mimetype | application/pdf | en |
| dc.identifier.doi | 10.3390/s18113848 | |
| dc.identifier.issn | 1424-8220 (Electronic) | |
| dc.identifier.uri | https://academica-e.unavarra.es/handle/2454/31369 | |
| dc.language.iso | eng | en |
| dc.publisher | MDPI | en |
| dc.relation.ispartof | Sensors, 2018, 18(11), 3848 | en |
| dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//TEC2014-51902-C2-2-R/ES/ | en |
| dc.relation.publisherversion | http://dx.doi.org/10.3390/s18113848 | |
| 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.accessRights | Acceso abierto / Sarbide irekia | es |
| dc.rights.accessRights | info:eu-repo/semantics/openAccess | en |
| dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
| dc.subject | Anomalous EOT | en |
| dc.subject | Metasurface | en |
| dc.subject | Sensing | en |
| dc.subject | Terahertz | en |
| dc.subject | Thin film | en |
| dc.title | THz sensing with anomalous extraordinary optical transmission hole arrays | en |
| dc.type | Artículo / Artikulua | es |
| dc.type | info:eu-repo/semantics/article | en |
| dc.type.version | Versión publicada / Argitaratu den bertsioa | es |
| dc.type.version | info:eu-repo/semantics/publishedVersion | en |
| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | f57ebfb3-fc7d-4d65-9204-43a9fc291915 | |
| relation.isAuthorOfPublication | 9c072edd-62b8-468e-a743-7726321c7bfd | |
| relation.isAuthorOfPublication | 6853cbd8-0a88-42ab-b165-c51b99cb6353 | |
| relation.isAuthorOfPublication.latestForDiscovery | f57ebfb3-fc7d-4d65-9204-43a9fc291915 |
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