Selective Absorption in Twolayered Optic Films
This paper summarizes theoretical investigations of changes in optical properties of smallest symmetrical nanofilm-molecular crystals due to the presence of boundaries and different boundary parameters. Using analytic and numerical calculations, the energy spectrum of excitons was found and relative permittivity of these ultrathin dielectric films was determined. The influence of boundary parameters on the occurrence of discrete (by parameters) and selective (by planes) absorption of external electromagnetic radiation was also investigated. Because of the symmetric conditions on film boundaries, double resonant peaks appear.
Keywords: EXCITONS; GREEN'S FUNCTIONS; NANOSTRUCTURES; PERMITTIVITY; RESONANT ABSORPTION
Document Type: Research Article
Publication date: 01 July 2009
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