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dc.contributor.authorVillate-Guío, F.-
dc.contributor.authorMartín-Moreno, Luis-
dc.contributor.authorLeón-Pérez, F. de-
dc.date.accessioned2015-08-06T11:10:19Z-
dc.date.available2015-08-06T11:10:19Z-
dc.date.issued2014-
dc.identifierdoi: 10.1364/JOSAB.31.001653-
dc.identifierissn: 0740-3224-
dc.identifiere-issn: 1520-8540-
dc.identifier.citationJournal of the Optical Society of America - B - Optical Physics 31(7): 1653-1659 (2014)-
dc.identifier.urihttp://hdl.handle.net/10261/121025-
dc.descriptionarXiv:1403.4968v1-
dc.description.abstractIn this paper, we study the optical response of 1D light harvesting structures that are illuminated by a conventional lens. Our theoretical study shows that high transmission efficiencies are obtained when the structure is placed near the focal plane of the lens. The considered structure is a finite slit-groove array (SGA) with a given number of grooves, which are symmetrically distributed with respect to a central slit. The SGA is nanopatterned on an opaque metallic film. It is found that a total transmittance of 80% is achieved even for a single slit when (1) Fabry-Perot-like modes are excited inside the slit and (2) the effective cross section of the aperture becomes of the order of the FWHMof the incident beam. A further enhancement of 8% is produced by the groove array. The optimal geometry for the groove array consists of a moderate number of grooves (≥4) at either side of the slit, separated by a distance of half the incident wavelength λ. Grooves should be deeper (with depth ≥λ/4) than those typically reported for plane wave illumination in order to increase their individual scattering cross section. © 2014 Optical Society of America.-
dc.description.sponsorshipThe authors gratefully acknowledge financial support by European Projects EC FP7-ICT PLAISIR Project Ref. 247991 and the Spanish Ministry of Science and Innovation project MAT2011-28581-C02-02.-
dc.publisherOptical Society of America-
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/247991-
dc.relation.isversionofPreprint-
dc.rightsopenAccess-
dc.titleTransmittance of a subwavelength aperture flanked by a finite groove array placed near the focus of a conventional lens-
dc.typeArtículo-
dc.identifier.doi10.1364/JOSAB.31.001653-
dc.relation.publisherversionhttp://dx.doi.org/10.1364/JOSAB.31.001653-
dc.date.updated2015-08-06T11:10:19Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderEuropean Commission-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
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