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A spectral element method calculation of extraordinary light transmission through periodic subwavelength slits

dc.contributor.author Luo, M
dc.contributor.author Liu, QH
dc.contributor.author Guo, J
dc.date.accessioned 2011-06-21T17:27:42Z
dc.date.issued 2010-03-01
dc.identifier.issn 0740-3224
dc.identifier.uri https://hdl.handle.net/10161/4232
dc.description.abstract A spectral element method together with a surface integral equation as the radiation boundary condition is used to simulate the scattering properties of periodic subwavelength slits. The surface integral equation utilizes the periodic Green's function in the wave number space and is solved by the method of moments, while the interior inhomogeneous medium is modeled by the spectral element method. The solution convergence is found to be exponential; i.e., the error decreases exponentially with the order of basis functions. To our knowledge, such a fast solver with spectral accuracy is new in the scattering problem of periodic structures. Scattering properties of a gold slit grid within the whole wavelength-incidence angle parameter space are investigated, with the confirmation that strong transmission of light through subwavelength slits is achievable. © 2010 Optical Society of America.
dc.language.iso en_US
dc.publisher The Optical Society
dc.relation.ispartof Journal of the Optical Society of America B: Optical Physics
dc.relation.isversionof 10.1364/JOSAB.27.000560
dc.title A spectral element method calculation of extraordinary light transmission through periodic subwavelength slits
dc.title.alternative
dc.type Journal article
duke.contributor.id Liu, QH|0229373
dc.description.version Version of Record
duke.date.pubdate 2010-3-0
duke.description.issue 3
duke.description.volume 27
dc.relation.journal Journal of the Optical Society of America B-Optical Physics
pubs.begin-page 560
pubs.end-page 566
pubs.issue 3
pubs.organisational-group Duke
pubs.organisational-group Electrical and Computer Engineering
pubs.organisational-group Pratt School of Engineering
pubs.publication-status Published
pubs.volume 27


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