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Low angular-dispersion microwave absorption of a dual-pitch nondiffracting metal bigrating

dc.contributor.authorLockyear, Matthew J.en_GB
dc.contributor.authorHibbins, Alastair P.en_GB
dc.contributor.authorSambles, J. Royen_GB
dc.contributor.authorLawrence, Christopher R.en_GB
dc.contributor.departmentUniversity of Exeter; QinetiQ Ltd, Farnboroughen_GB
dc.date.accessioned2008-04-17T15:38:55Zen_GB
dc.date.accessioned2011-01-25T11:55:13Zen_GB
dc.date.accessioned2013-03-20T13:19:20Z
dc.date.issued2003-07-22en_GB
dc.description.abstractThe surface plasmon modes supported by a nondiffracting 90° bigrating consisting of three grooves per repeat period with one slightly shallower than the other two are characterized by studying the reflectivity from the structure as a function of the angle of incidence and the incident wavelength (11.3<λ0<16.7 mm). This structure supports two remarkably angle-independent modes plus a further, lower-energy mode which is more dispersive. Experimental reflectivity is compared with that calculated using a finite element model. In addition, to understand the character of each of the modes, the spatial form of the electromagnetic fields at the resonant frequencies are explored.en_GB
dc.identifier.citationVol. 83 (4), pp. 806-808en_GB
dc.identifier.doi10.1063/1.1593229en_GB
dc.identifier.urihttp://hdl.handle.net/10036/23712en_GB
dc.language.isoenen_GB
dc.publisherAmerican Institute of Physicsen_GB
dc.subjectelectromagnetic wave absorptionen_GB
dc.subjectsurface plasmonsen_GB
dc.subjectreflectivityen_GB
dc.subjectfinite element analysisen_GB
dc.subjectpolaritonsen_GB
dc.titleLow angular-dispersion microwave absorption of a dual-pitch nondiffracting metal bigratingen_GB
dc.typeArticleen_GB
dc.date.available2008-04-17T15:38:55Zen_GB
dc.date.available2011-01-25T11:55:13Zen_GB
dc.date.available2013-03-20T13:19:20Z
dc.identifier.issn0003-6951en_GB
dc.descriptionCopyright © 2003 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 Applied Physics Letters 83 (2003) and may be found at http://link.aip.org/link/?APPLAB/83/806/1en_GB
dc.identifier.journalApplied Physics Lettersen_GB


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