Extraordinary transmission of nanohole lattices in gold films

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We study experimentally the transmission of light through a square lattice of nanoholes perforated in a optically-thick gold film. We observe that the periodicity of the structure enhances the light transmission for specific wavelengths, and we analyze this effect theoretically by employing finite-difference time-domain numerical simulations. Furthermore, we investigate the possibilities for manipulation of the spectral transmission in quasi-periodic and chirped lattices consisting of square nanoholes with varying hole size or lattice periodicity.
6 pages, 8 figures

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Optics

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http://salesiana.dossiersoluciones.com/handle/123456789/164059

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0807.0279
 http://arxiv.org/abs/0807.0279

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arXiv