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dc.contributor.authorBravo-Abad, Jorge-
dc.contributor.authorGarcía-Vidal, F. J.-
dc.contributor.authorMartín-Moreno, Luis-
dc.identifier.citationNature Physics 2(2): 120-123 (2006)en_US
dc.description4 pages, 4 figures.-- et al.en_US
dc.description.abstractThe extraordinary optical transmission through periodic arrays of subwavelength holes has been studied extensively since it was first reported in 1998, owing to both its fundamental implications and its technological potential. The picture of the underlying mechanism that emerges from most of the theoretical studies is a resonant process assisted by surface electromagnetic modes, such as surface plasmons. However, these studies consider an infinite array of holes. By combining experiment and theory, we have analysed the influence of the inherent finite size of the arrays and report here the unexpected spatial distribution of light as it emerges from the arrays. This distribution is strongly anisotropic and extremely sensitive to the angle of incidence of the impinging light. The behaviour can be explained by a model that takes into account the asymmetry induced by the array edges, and the effects this has on the emission pattern across the array.en_US
dc.description.sponsorshipFinancial support by the EC under Project Nos. FP6-NMP4-CT-2003-505699 (Surface Plasmon Photonics) and FP6-2002-IST-1-507879 (Plasmo-Nano-Devices) is gratefully acknowledged.en_US
dc.format.extent259768 bytes-
dc.publisherNature Publishing Groupen_US
dc.titleHow light emerges from an illuminated array of subwavelength holesen_US
dc.description.peerreviewedPeer revieweden_US
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