Cross-polarization coupling of Laguerre-Gaussian beam modes at isotropic interfaces

Wojciech Nasalski; Yves Pagani

doi:10.1117/12.663040

20 April 2006 Cross-polarization coupling of Laguerre-Gaussian beam modes at isotropic interfaces

Wojciech Nasalski, Yves Pagani

Proceedings Volume 6195, Nanophotonics; 61950L (2006) https://doi.org/10.1117/12.663040
Event: SPIE Photonics Europe, 2006, Strasbourg, France

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.

Citation Download Citation

Wojciech Nasalski and Yves Pagani "Cross-polarization coupling of Laguerre-Gaussian beam modes at isotropic interfaces", Proc. SPIE 6195, Nanophotonics, 61950L (20 April 2006); https://doi.org/10.1117/12.663040

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