Reflection of electromagnetic waves at index-matched anisotropic interfaces

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We study the relation between the excitation of eigenmodes at Isotropic - gyroelectromagnetic flat interfaces under index-matching condition and the singular behaviour of the reflectivity at grazing incidences. We show that, as in the isotropic case, these eigenmodes can be excited by waves at other...

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Autores principales: Inchaussandague, M.E., Gigli, M.L., Depine, R.A., Marcano O. A., Paz J.L.
Formato: CONF
Materias:
Diffraction
Gratings
Index-matched interfaces
Anisotropy
Diffraction gratings
Eigenvalues and eigenfunctions
Electric fields
Electromagnetic wave diffraction
Interfaces (materials)
Refractive index
Half spaces
Plane waves
Surface modes
Electromagnetic wave reflection
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0277786X_v5622_nPART3_p1147_Inchaussandague
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_0277786X_v5622_nPART3_p1147_Inchaussandague
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spelling todo:paper_0277786X_v5622_nPART3_p1147_Inchaussandague2023-10-03T15:16:31Z Reflection of electromagnetic waves at index-matched anisotropic interfaces Inchaussandague, M.E. Gigli, M.L. Depine, R.A. Marcano O. A. Paz J.L. Diffraction Gratings Index-matched interfaces Anisotropy Diffraction gratings Eigenvalues and eigenfunctions Electric fields Electromagnetic wave diffraction Interfaces (materials) Refractive index Half spaces Index-matched interfaces Plane waves Surface modes Electromagnetic wave reflection We study the relation between the excitation of eigenmodes at Isotropic - gyroelectromagnetic flat interfaces under index-matching condition and the singular behaviour of the reflectivity at grazing incidences. We show that, as in the isotropic case, these eigenmodes can be excited by waves at other angles of incidence by introducing a periodic corrugation to the interface between the two media. The coupling produces strong peaks in the curves of reflectivity versus angle of incidence, whose intensity and shape depend on the height of the corrugation. Numerical examples for a particular orientation of the optic axis are presented. CONF info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0277786X_v5622_nPART3_p1147_Inchaussandague
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Diffraction
Gratings
Index-matched interfaces
Anisotropy
Diffraction gratings
Eigenvalues and eigenfunctions
Electric fields
Electromagnetic wave diffraction
Interfaces (materials)
Refractive index
Half spaces
Index-matched interfaces
Plane waves
Surface modes
Electromagnetic wave reflection
spellingShingle Diffraction
Gratings
Index-matched interfaces
Anisotropy
Diffraction gratings
Eigenvalues and eigenfunctions
Electric fields
Electromagnetic wave diffraction
Interfaces (materials)
Refractive index
Half spaces
Index-matched interfaces
Plane waves
Surface modes
Electromagnetic wave reflection
Inchaussandague, M.E.
Gigli, M.L.
Depine, R.A.
Marcano O. A.
Paz J.L.
Reflection of electromagnetic waves at index-matched anisotropic interfaces
topic_facet Diffraction
Gratings
Index-matched interfaces
Anisotropy
Diffraction gratings
Eigenvalues and eigenfunctions
Electric fields
Electromagnetic wave diffraction
Interfaces (materials)
Refractive index
Half spaces
Index-matched interfaces
Plane waves
Surface modes
Electromagnetic wave reflection
description We study the relation between the excitation of eigenmodes at Isotropic - gyroelectromagnetic flat interfaces under index-matching condition and the singular behaviour of the reflectivity at grazing incidences. We show that, as in the isotropic case, these eigenmodes can be excited by waves at other angles of incidence by introducing a periodic corrugation to the interface between the two media. The coupling produces strong peaks in the curves of reflectivity versus angle of incidence, whose intensity and shape depend on the height of the corrugation. Numerical examples for a particular orientation of the optic axis are presented.
format CONF
author Inchaussandague, M.E.
Gigli, M.L.
Depine, R.A.
Marcano O. A.
Paz J.L.
author_facet Inchaussandague, M.E.
Gigli, M.L.
Depine, R.A.
Marcano O. A.
Paz J.L.
author_sort Inchaussandague, M.E.
title Reflection of electromagnetic waves at index-matched anisotropic interfaces
title_short Reflection of electromagnetic waves at index-matched anisotropic interfaces
title_full Reflection of electromagnetic waves at index-matched anisotropic interfaces
title_fullStr Reflection of electromagnetic waves at index-matched anisotropic interfaces
title_full_unstemmed Reflection of electromagnetic waves at index-matched anisotropic interfaces
title_sort reflection of electromagnetic waves at index-matched anisotropic interfaces
url http://hdl.handle.net/20.500.12110/paper_0277786X_v5622_nPART3_p1147_Inchaussandague
work_keys_str_mv AT inchaussandagueme reflectionofelectromagneticwavesatindexmatchedanisotropicinterfaces
AT gigliml reflectionofelectromagneticwavesatindexmatchedanisotropicinterfaces
AT depinera reflectionofelectromagneticwavesatindexmatchedanisotropicinterfaces
AT marcanooa reflectionofelectromagneticwavesatindexmatchedanisotropicinterfaces
AT pazjl reflectionofelectromagneticwavesatindexmatchedanisotropicinterfaces
_version_ 1807314478091468800

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