Wood zone plate fishnet metalens

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dc.contributor.authorOrazbayev, Bakhtiyar
dc.contributor.authorBeruete Díaz, Miguel
dc.contributor.authorNavarro Cía, Miguel
dc.contributor.departmentIngeniería Eléctrica y Electrónicaes_ES
dc.contributor.departmentIngeniaritza Elektrikoa eta Elektronikoaeu
dc.date.accessioned2015-12-23T12:03:50Z
dc.date.available2015-12-23T12:03:50Z
dc.date.issued2015
dc.descriptionUPNa. Departamento de Ingeniería Eléctrica y Electrónica. Laboratorio de fotónica TERALABes_ES
dc.description.abstractFresnel-zone plate lenses provide focusing performance while having low profile. Unfortunately, they usually display higher reflection losses than conventional dielectric lenses. Here, we demonstrate a low-profile Wood zone plate metalens based on the fishnet metamaterial working in a near-zero regime with an equivalent refractive index less than unity (nf = 0.51). The metalens is made of alternating dielectric and fishnet metamaterial concentric rings. The use of fishnet metamaterial allows reducing the reflections from the lens, while maintaining low profile, low cost and ease of manufacturing. The lens is designed towork at theW-band of the millimeter-waves range with a focal length FL = 22.8 mm (7.5 λ0) aiming at antenna or radar system applications. The focusing per- formance of the lens along with its radiation characteristics in a lens antenna configuration have been studied numerically and confirmed experimentally, showing a gain improvement of ~2.5 dB with respect to a fishnet Soret metalens.en
dc.description.sponsorshipThis work was sponsored by Spanish Government under contract TEC2014-51902-C2-2-R. B. O. is sponsored by Spanish Ministerio de Economía y Competitividad under grant FPI BES-2012-054909. M. B. is sponsored by the Spanish Government via RYC-2011-08221.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1051/epjam/2015014
dc.identifier.issn2272-2394 (Electronic)
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/19802
dc.language.isoengen
dc.publisherEDP Sciencesen
dc.relation.ispartofEPJ Applied Metamaterials 2015, 2, 8en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO//TEC2014-51902-C2-2-R/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN//TEC2011-28664-C02-01/ES/
dc.relation.publisherversionhttps://dx.doi.org/10.1051/epjam/2015014
dc.rights© B. Orazbayev et al., Published by EDP Sciences, 2015. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectFishnet metamaterialen
dc.subjectFresnel zoneen
dc.subjectLensen
dc.titleWood zone plate fishnet metalensen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
relation.isAuthorOfPublication051a3d82-bb16-4480-99aa-1025dc0cc698
relation.isAuthorOfPublication6853cbd8-0a88-42ab-b165-c51b99cb6353
relation.isAuthorOfPublication9c515ea5-4c04-4c94-897d-903b77d0f8ab
relation.isAuthorOfPublication.latestForDiscovery051a3d82-bb16-4480-99aa-1025dc0cc698

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