Phase behavior near total absorption by a metallic grating

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A bare metallic grating illuminated by a plane, S-polarized electromagnetic wave can completely absorb one of the diffracted orders. These strong absorptions have been reported to be accompanied by two different types of behavior. Here we calculate, by means of an exact differential method, the phas...

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Autores principales: Depine, Ricardo Angel, Brudny, Vera Leonor, Simon, Juan Miguel
Publicado: 1987
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01469592_v12_n3_p143_Depine
http://hdl.handle.net/20.500.12110/paper_01469592_v12_n3_p143_Depine
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_01469592_v12_n3_p143_Depine
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spelling paper:paper_01469592_v12_n3_p143_Depine2023-06-08T15:12:34Z Phase behavior near total absorption by a metallic grating Depine, Ricardo Angel Brudny, Vera Leonor Simon, Juan Miguel A bare metallic grating illuminated by a plane, S-polarized electromagnetic wave can completely absorb one of the diffracted orders. These strong absorptions have been reported to be accompanied by two different types of behavior. Here we calculate, by means of an exact differential method, the phase versus angle-of-incidence curves for cycloidal metallic gratings with different groove-depth-to-period ratios. We show that an algorithm based on the electromagnetic theory of gratings can account for the experimentally observed behavior in the vicinity of a resonant anomaly. We also show that this type of study provides additional information about the position of the zeros of the scattering matrix in the complex plane. © 1987 Optical Society of America. Fil:Depine, R.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Brudny, V.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Simon, J.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1987 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01469592_v12_n3_p143_Depine http://hdl.handle.net/20.500.12110/paper_01469592_v12_n3_p143_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 bare metallic grating illuminated by a plane, S-polarized electromagnetic wave can completely absorb one of the diffracted orders. These strong absorptions have been reported to be accompanied by two different types of behavior. Here we calculate, by means of an exact differential method, the phase versus angle-of-incidence curves for cycloidal metallic gratings with different groove-depth-to-period ratios. We show that an algorithm based on the electromagnetic theory of gratings can account for the experimentally observed behavior in the vicinity of a resonant anomaly. We also show that this type of study provides additional information about the position of the zeros of the scattering matrix in the complex plane. © 1987 Optical Society of America.
author Depine, Ricardo Angel
Brudny, Vera Leonor
Simon, Juan Miguel
spellingShingle Depine, Ricardo Angel
Brudny, Vera Leonor
Simon, Juan Miguel
Phase behavior near total absorption by a metallic grating
author_facet Depine, Ricardo Angel
Brudny, Vera Leonor
Simon, Juan Miguel
author_sort Depine, Ricardo Angel
title Phase behavior near total absorption by a metallic grating
title_short Phase behavior near total absorption by a metallic grating
title_full Phase behavior near total absorption by a metallic grating
title_fullStr Phase behavior near total absorption by a metallic grating
title_full_unstemmed Phase behavior near total absorption by a metallic grating
title_sort phase behavior near total absorption by a metallic grating
publishDate 1987
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01469592_v12_n3_p143_Depine
http://hdl.handle.net/20.500.12110/paper_01469592_v12_n3_p143_Depine
work_keys_str_mv AT depinericardoangel phasebehaviorneartotalabsorptionbyametallicgrating
AT brudnyveraleonor phasebehaviorneartotalabsorptionbyametallicgrating
AT simonjuanmiguel phasebehaviorneartotalabsorptionbyametallicgrating
_version_ 1768546341485543424

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