Numerical Modelling of the Optical Properties of Truncated and Coated Prolate Spheroidal Nanoparticles
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- Institutt for fysikk 
The optical properties of an island film of truncated and coated prolate spheroidal particles are studied numerically by implementing support for this island geometry in the GranFilm software. The underlying theory of the calculations is based on the work on optical properties of surfaces by Bedeaux and Vlieger. The implementation is tested numerically and compared in the appropriate limits to earlier implementations of other geometries. The tests show that the implementation was carried out successfully. Finally, the GranFilm software is used to study and characterize the plasmonic resonance modes of various supported metallic islands. This includes the observation of plasmonic hybridization in a truncated metallic nanoshell.