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Proceedings Paper

Cross-polarization coupling of Laguerre-Gaussian beam modes at isotropic interfaces
Author(s): Wojciech Nasalski; Yves Pagani
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Paper Abstract

Excitation and cancellation of higher-order elegant Hermite-Gaussian and Laguerre-Gaussian beams under normal incidence at isotropic, lossless, dielectric interfaces are analysed. It is shown that such phenomena are originated in the cross-polarization coupling between orthogonal polarization components of the beams and depend qualitatively on interrelations between beam field spatial distribution and beam polarization. For Laguerre-Gaussian beams these interrelations associate beam orbital and spin angular momenta. Analytic description confirmed by numerical simulations is given for transmission of two types of beams: Hermite-Gaussians of linear polarization and Laguerre-Gaussians of circular polarization.

Paper Details

Date Published: 20 April 2006
PDF: 12 pages
Proc. SPIE 6195, Nanophotonics, 61950L (20 April 2006); doi: 10.1117/12.663040
Show Author Affiliations
Wojciech Nasalski, Institute of Fundamental Technological Research (Poland)
Yves Pagani, Institute of Fundamental Technological Research (Poland)

Published in SPIE Proceedings Vol. 6195:
David L. Andrews; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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