A scaling analysis of the extraordinary transmission by subwavelength holes is provided. The structure under study is a lamellar grating. The grating can be described by homogeneous permittivity and permeability tensors. The permeability is dispersive and the peaks of transmission result from a Bragg condition.
Guy Bouchitté, Christophe Bourel, Didier Felbacq, and Emmanuel Kling, "Homogenization of a highly contrasted array of holes," Proc. SPIE 9929, Nanostructured Thin Films IX, 99290N (Presented at SPIE Nanoscience + Engineering: August 31, 2016; Published: 26 September 2016); https://doi.org/10.1117/12.2237337.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon