Surface quality and surface waves on subwavelength-structured silver films

Show simple item record Gay, G. Alloschery, O. Weiner, J. Lezec, H. J. O'Dwyer, Colm Sukharev, M. Seideman, T. 2016-07-05T13:49:51Z 2016-07-05T13:49:51Z 2007-01-24
dc.identifier.citation Gay, G., Alloschery, O., Weiner, J. ,Lezec, H. J. ,O'Dwyer, C. ,Sukharev, M. and Seideman, T. (2007) 'Surface quality and surface waves on subwavelength-structured silver films'. Physical Review E, 75, 016612. en
dc.identifier.volume 75 en
dc.identifier.startpage 016612 (1) en
dc.identifier.endpage 016612 (4) en
dc.identifier.issn 2470-0053
dc.identifier.issn 2470-0045
dc.identifier.doi 10.1103/PhysRevE.75.016612
dc.description.abstract We analyze the physical-chemical surface properties of single-slit, single-groove subwavelength-structured silver films with high-resolution transmission electron microscopy and calculate exact solutions to Maxwell’s equations corresponding to recent far-field interferometry experiments using these structures. Contrary to a recent suggestion the surface analysis shows that the silver films are free of detectable contaminants. The finite-difference time-domain calculations, in excellent agreement with experiment, show a rapid fringe amplitude decrease in the near zone (slit-groove distance out to 3–4 wavelengths). Extrapolation to slit-groove distances beyond the near zone shows that the surface wave evolves to the expected bound surface plasmon polariton (SPP). Fourier analysis of these results indicates the presence of a distribution of transient, evanescent modes around the SPP that dephase and dissipate as the surface wave evolves from the near to the far zone. en
dc.description.sponsorship Ministère délégué à l’Enseignement supérieur et à la Recherche (Programme ACI “Nanosciences-Nanotechnologies,”); The Région MidiPyrénées (Grant No. SFC/CR 02/22); European Commission (FASTNet Grant No. HPRN-CT-2002-00304 EU Research Training Network); Caltech Kavli Nanoscience Institute; Air Force Office of Scientific Research (AFOSR Plasmon MURI Grant No. FA9550-04-1-0434); National Energy Research Scientific Computing Center; U.S. Department of Energy (Contract No. DE-AC03-76SF00098); San Diego Supercomputer Center (Grant No.PHY050001) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society en
dc.rights © 2007 American Physical Society en
dc.subject Finite difference method en
dc.subject Interferometry en
dc.subject Silver en
dc.subject Surface structure en
dc.subject Surface waves en
dc.subject Time domain analysis en
dc.subject Transmission electron microscopy en
dc.title Surface quality and surface waves on subwavelength-structured silver films en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Colm O'Dwyer, Chemistry, University College Cork, Cork, Ireland. +353-21-490-3000 Email: en
dc.internal.availability Full text available en 2012-11-29T21:33:50Z
dc.description.version Accepted Version en
dc.internal.rssid 162343139
dc.contributor.funder The Région Midi-Pyrénées. France en
dc.contributor.funder Ministère délégué à l’Enseignement supérieur et à la Recherche, France en
dc.contributor.funder European Commission en
dc.contributor.funder Caltech Kavli Nanoscience Institute, United States en
dc.contributor.funder Air Force Office of Scientific Research en
dc.contributor.funder National Energy Research Scientific Computing Center, United States en
dc.contributor.funder San Diego Supercomputer Center, United States en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review E en
dc.internal.copyrightchecked No !!CORA!! en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress en
dc.identifier.articleid 016612

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