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Título

Transmission of light by a single subwavelength cylindrical hole in metallic films

AutorBai, Ming; García García, Nicolás
Fecha de publicaciónoct-2006
EditorAmerican Institute of Physics
CitaciónApplied Physics Letters 89(14): 141110 (2006)
ResumenThis letter presents theory and finite-difference time-domain calculations in excellent agreement with experiments for the transmission of a single subwavelength cylindrical hole in Ag metallic films. The authors discuss the very large enhancement in transmission by single holes in terms of surface plasmons at the interface of the hole. These are similar to the surface plasmons in metallic cylinders reported by Economou and co-workers [ Phys. Rev. B 10, 3038 (1974); 24, 6908 (1981) ]. The peak structures observed in experiments with arrays of holes are a consequence of interference of the beams transmitted by each hole and are determined by the hole periodicities. The role of the arrays in enhancement of the transmission due to surface plasmon polaritons appears to be marginal.
Descripción3 pages, 2 figures.
Versión del editorhttp://dx.doi.org/10.1063/1.2358210
URIhttp://hdl.handle.net/10261/22108
DOI10.1063/1.2358210
ISSN0003-6951
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