Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods

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A point-matching and a Fourier-series method based on the Rayleigh hypothesis are developed for calculating the electromagnetic fields diffracted by weakly corrugated interfaces between a non-lossy, uniaxial crystal and an isotropic dielectric or metal. The methods apply for gratings with shallow gr...

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Autores principales: Depine, R.A., Gigli, M.L.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_09500340_v41_n4_p695_Depine
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_09500340_v41_n4_p695_Depine2023-10-03T15:49:45Z Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods Depine, R.A. Gigli, M.L. A point-matching and a Fourier-series method based on the Rayleigh hypothesis are developed for calculating the electromagnetic fields diffracted by weakly corrugated interfaces between a non-lossy, uniaxial crystal and an isotropic dielectric or metal. The methods apply for gratings with shallow grooves of any shape, arbitrary orientations of the optic axis and for waves incident from either side of the interface. The results obtained using these methods are compared with rigorous results. Good agreements are obtained for gratings with groove heights almost 0.2 times their period. As applications, the following cases are studied: (a) TE-TM polarization conversion when the incidence is from an isotropic medium and (b) resonant excitation of surface plasmons at uniaxial-metallic interfaces. © 1994 Taylor and Francis Ltd. Fil:Depine, R.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Gigli, M.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_09500340_v41_n4_p695_Depine
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description A point-matching and a Fourier-series method based on the Rayleigh hypothesis are developed for calculating the electromagnetic fields diffracted by weakly corrugated interfaces between a non-lossy, uniaxial crystal and an isotropic dielectric or metal. The methods apply for gratings with shallow grooves of any shape, arbitrary orientations of the optic axis and for waves incident from either side of the interface. The results obtained using these methods are compared with rigorous results. Good agreements are obtained for gratings with groove heights almost 0.2 times their period. As applications, the following cases are studied: (a) TE-TM polarization conversion when the incidence is from an isotropic medium and (b) resonant excitation of surface plasmons at uniaxial-metallic interfaces. © 1994 Taylor and Francis Ltd.
format JOUR
author Depine, R.A.
Gigli, M.L.
spellingShingle Depine, R.A.
Gigli, M.L.
Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods
author_facet Depine, R.A.
Gigli, M.L.
author_sort Depine, R.A.
title Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods
title_short Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods
title_full Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods
title_fullStr Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods
title_full_unstemmed Diffraction from corrugated gratings made with uniaxial crystals rayleigh methods
title_sort diffraction from corrugated gratings made with uniaxial crystals rayleigh methods
url http://hdl.handle.net/20.500.12110/paper_09500340_v41_n4_p695_Depine
work_keys_str_mv AT depinera diffractionfromcorrugatedgratingsmadewithuniaxialcrystalsrayleighmethods
AT gigliml diffractionfromcorrugatedgratingsmadewithuniaxialcrystalsrayleighmethods
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