Surface plasmons on metamaterials

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Surface plasmons on metamaterials

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dc.contributor.author Hibbins, Alastair P. en_GB
dc.contributor.author Lockyear, Matthew J. en_GB
dc.contributor.author Sambles, J. Roy en_GB
dc.contributor.department University of Exeter en_GB
dc.date.accessioned 2009-01-21T11:37:48Z en_GB
dc.date.accessioned 2011-01-25T11:54:47Z en_US
dc.date.accessioned 2013-03-20T13:15:42Z
dc.date.issued 2008 en_GB
dc.description.abstract The field of plasmonics has historically been a playground exclusively for the optics community. Primarily this is because the response of metals becomes dominated by their large conductivities at much lower frequencies, making it difficult to exploit the unique properties of surface plasmon (SP) modes. Indeed SPs on flat, perfectly conducting substrates are better described as simple surface currents or grazing photons. However the realization that one can form metal-dielectric composites to support surface waves with plasmon-like properties has opened the field of plasmonics to the terahertz and microwave domains. Pendry et al. [Science, 305, 847 (2004)] were among the first to speculate about an extension of plasmonics into long wavelength regimes. They demonstrated that the perforated surface of a perfect conductor can support a SP-like mode whose behavior is determined purely by the geometry of the substrate. Beginning with our initial experimental verification of these SP-like modes excited via grating-coupling, we present an overview of some of our recent microwave studies. We progress to study the classical method of prism coupling and also consider the enhanced transmission phenomenon (mediated by plasmon-like surface modes) through hole arrays. Finally the first experimental evidence of coupled SP-like modes between two such perforated metal substrates placed in close proximity will be presented. en_GB
dc.identifier.citation Vol. 6987, article 698712 en_GB
dc.identifier.doi 10.1117/12.780247 en_GB
dc.identifier.uri http://hdl.handle.net/10036/47801 en_GB
dc.language.iso en en_GB
dc.publisher SPIE en_GB
dc.relation.url http://dx.doi.org/10.1117/12.780247 en_GB
dc.subject surface plasmons en_GB
dc.subject surface waves en_GB
dc.subject diffraction en_GB
dc.subject gratings en_GB
dc.subject metamaterials en_GB
dc.subject microwave en_GB
dc.subject hole arrays en_GB
dc.subject waveguides en_GB
dc.title Surface plasmons on metamaterials en_GB
dc.type Meetings and Proceedings en_GB
dc.date.available 2009-01-21T11:37:48Z en_GB
dc.date.available 2011-01-25T11:54:47Z en_US
dc.date.available 2013-03-20T13:15:42Z
dc.identifier.issn 0277-786X en_GB
dc.description Copyright © 2008 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE Volume 6987, article 698712 and is made available with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. en_GB
dc.identifier.journal Proceedings of SPIE en_GB


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