Coupled surface plasmon polaritons on thin metal slabs corrugated on both surfaces

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Coupled surface plasmon polaritons on thin metal slabs corrugated on both surfaces

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dc.contributor.author Hooper, Ian R. en_GB
dc.contributor.author Sambles, J. Roy en_GB
dc.contributor.department University of Exeter en_GB
dc.date.accessioned 2008-07-09T15:28:59Z en_GB
dc.date.accessioned 2011-01-25T11:54:30Z en_US
dc.date.accessioned 2013-03-20T13:13:38Z
dc.date.issued 2004 en_GB
dc.description.abstract A modelling study of the effect of coupled surface plasmon polaritons (SPPs) on the optical response of a thin metal film corrugated on both surfaces is presented. Initially the case of conformally corrugated metal films (the corrugations on each surface are identical and in phase with each other) is considered. Sinusoidal structures, and those having an additional first harmonic, 2kg (where kg is the grating vector) component, are investigated. This 2kg component opens up significant band gaps in the SPP dispersion curves, and also causes anticrossing behavior between the long range SPPs and short range SPPs. It is shown that this anticrossing, and the band gap, have a common explanation. Following this, nonconformally corrugated films are examined, and strongly enhanced resonant transmission is shown to occur, which can be almost independent of the in-plane wave vector. The results presented show that, though the enhanced transmission through hole arrays which has provoked extensive recent investigation is of great interest from a physics viewpoint, other structures which exhibit enhanced transmission may provide more benefits, including higher transmission, for some applications. en_GB
dc.identifier.citation 70 (4), article 045421 en_GB
dc.identifier.doi 10.1103/PhysRevB.70.045421 en_GB
dc.identifier.uri http://hdl.handle.net/10036/31452 en_GB
dc.language.iso en en_GB
dc.publisher American Physical Society en_GB
dc.relation.url http://dx.doi.org/10.1103/PhysRevB.70.045421 en_GB
dc.relation.url http://link.aps.org/abstract/PRB/v70/e045421 en_GB
dc.title Coupled surface plasmon polaritons on thin metal slabs corrugated on both surfaces en_GB
dc.type Article en_GB
dc.date.available 2008-07-09T15:28:59Z en_GB
dc.date.available 2011-01-25T11:54:30Z en_US
dc.date.available 2013-03-20T13:13:38Z
dc.identifier.issn 1098-0121 en_GB
dc.identifier.issn 1550-235X en_GB
dc.description Ian R. Hooper and J. Roy Sambles, Physical Review B, Vol. 70, article 045421 (2004). "Copyright © 2004 by the American Physical Society." en_GB
dc.identifier.journal Physical Review B en_GB


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