Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings

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When a surface plasmon propagates along a microrough grating, it interacts with the periodic plus the random roughness and emits light into the diffuse background, which can present intensity maxima called diffuse light bands. We reexamine previous studies on these bands within the framework of rece...

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Detalles Bibliográficos
Autores principales: Depine, Ricardo Angel, Ledesma, Silvia Adriana
Publicado: 2004
Materias:
Grating structures
Metallic gratings
Optical emission
Surface plasmons (SP)
Diffraction gratings
Electromagnetic fields
Laser applications
Light scattering
Mathematical models
Metal analysis
Polarization
Radiation
Surface plasmon resonance
Surface roughness
Wave propagation
Band structure
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01469592_v29_n19_p2216_Depine
http://hdl.handle.net/20.500.12110/paper_01469592_v29_n19_p2216_Depine
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_01469592_v29_n19_p2216_Depine
record_format dspace
spelling paper:paper_01469592_v29_n19_p2216_Depine2023-06-08T15:12:37Z Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings Depine, Ricardo Angel Ledesma, Silvia Adriana Grating structures Metallic gratings Optical emission Surface plasmons (SP) Diffraction gratings Electromagnetic fields Laser applications Light scattering Mathematical models Metal analysis Polarization Radiation Surface plasmon resonance Surface roughness Wave propagation Band structure When a surface plasmon propagates along a microrough grating, it interacts with the periodic plus the random roughness and emits light into the diffuse background, which can present intensity maxima called diffuse light bands. We reexamine previous studies on these bands within the framework of recent studies on photonic surfaces and show that the phenomenon of diffuse light provides an experimental technique for directly imaging the dispersion relation of surface plasmons, including the gap that, under appropriate circumstances, opens in the reciprocal grating space. ©2004 Optical Society of America. Fil:Depine, R.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Ledesma, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2004 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01469592_v29_n19_p2216_Depine http://hdl.handle.net/20.500.12110/paper_01469592_v29_n19_p2216_Depine
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Grating structures
Metallic gratings
Optical emission
Surface plasmons (SP)
Diffraction gratings
Electromagnetic fields
Laser applications
Light scattering
Mathematical models
Metal analysis
Polarization
Radiation
Surface plasmon resonance
Surface roughness
Wave propagation
Band structure
spellingShingle Grating structures
Metallic gratings
Optical emission
Surface plasmons (SP)
Diffraction gratings
Electromagnetic fields
Laser applications
Light scattering
Mathematical models
Metal analysis
Polarization
Radiation
Surface plasmon resonance
Surface roughness
Wave propagation
Band structure
Depine, Ricardo Angel
Ledesma, Silvia Adriana
Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings
topic_facet Grating structures
Metallic gratings
Optical emission
Surface plasmons (SP)
Diffraction gratings
Electromagnetic fields
Laser applications
Light scattering
Mathematical models
Metal analysis
Polarization
Radiation
Surface plasmon resonance
Surface roughness
Wave propagation
Band structure
description When a surface plasmon propagates along a microrough grating, it interacts with the periodic plus the random roughness and emits light into the diffuse background, which can present intensity maxima called diffuse light bands. We reexamine previous studies on these bands within the framework of recent studies on photonic surfaces and show that the phenomenon of diffuse light provides an experimental technique for directly imaging the dispersion relation of surface plasmons, including the gap that, under appropriate circumstances, opens in the reciprocal grating space. ©2004 Optical Society of America.
author Depine, Ricardo Angel
Ledesma, Silvia Adriana
author_facet Depine, Ricardo Angel
Ledesma, Silvia Adriana
author_sort Depine, Ricardo Angel
title Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings
title_short Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings
title_full Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings
title_fullStr Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings
title_full_unstemmed Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings
title_sort direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings
publishDate 2004
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01469592_v29_n19_p2216_Depine
http://hdl.handle.net/20.500.12110/paper_01469592_v29_n19_p2216_Depine
work_keys_str_mv AT depinericardoangel directvisualizationofsurfaceplasmonbandgapsinthediffusebackgroundofmetallicgratings
AT ledesmasilviaadriana directvisualizationofsurfaceplasmonbandgapsinthediffusebackgroundofmetallicgratings
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