The coupling of microwave radiation to surface plasmon polaritons and guided modes via dielectric gratings

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The coupling of microwave radiation to surface plasmon polaritons and guided modes via dielectric gratings

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dc.contributor.author Hibbins, Alastair P. en_GB
dc.contributor.author Sambles, J. Roy en_GB
dc.contributor.author Lawrence, Christopher R. en_GB
dc.contributor.department University of Exeter; Defence Evaluation and Research Agency, Farnborough en_GB
dc.date.accessioned 2008-04-22T16:07:57Z en_GB
dc.date.accessioned 2011-01-25T11:55:01Z en_US
dc.date.accessioned 2013-03-20T13:26:55Z
dc.date.issued 2000 en_GB
dc.description.abstract It is shown that an absorbing dielectric layer, sinusoidally modulated in height, on top of a planar metal substrate, may be used to provide coupling between both s- and p-polarized incident microwave photons and surface plasmon polaritons, which propagate along the metal–dielectric interface. The study is carried out using paraffin wax as the dielectric material on an aluminum-alloy plate and the wax is sufficiently thick such that it may also support a guided mode. Energy reradiated from these excited modes into diffracted orders is recorded by monitoring the specular beam reflectivity as a function of wavelength (7.5<λ0<11.3 mm) and azimuthal angle of incidence (0°<φ<90°). The azimuthal-angle-dependent reflectivity scans are fitted using a multilayer, multishape differential formalism to model conical diffraction with a single set of parameters describing the grating profile, and the permittivity and thickness of the wax layer. en_GB
dc.identifier.citation 87 (6), pp. 2677-2683 en_GB
dc.identifier.doi 10.1063/1.372241 en_GB
dc.identifier.uri http://hdl.handle.net/10036/24033 en_GB
dc.language.iso en en_GB
dc.publisher American Institute of Physics en_GB
dc.relation.url http://dx.doi.org/10.1063/1.372241 en_GB
dc.relation.url http://link.aip.org/link/?JAPIAU/87/2677/1 en_GB
dc.subject polaritons en_GB
dc.subject surface plasmons en_GB
dc.subject electromagnetic wave polarisation en_GB
dc.subject metal-insulator boundaries en_GB
dc.subject reflectivity en_GB
dc.subject diffraction gratings en_GB
dc.subject microwave propagation en_GB
dc.title The coupling of microwave radiation to surface plasmon polaritons and guided modes via dielectric gratings en_GB
dc.type Article en_GB
dc.date.available 2008-04-22T16:07:57Z en_GB
dc.date.available 2011-01-25T11:55:01Z en_US
dc.date.available 2013-03-20T13:26:55Z
dc.identifier.issn 0021-8979 en_GB
dc.description Copyright © 2000 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Applied Physics 87 (2000) and may be found at http://link.aip.org/link/?JAPIAU/87/2677/1 en_GB
dc.identifier.journal Journal of Applied Physics en_GB


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