Abstract:
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.
Registro:
Documento: |
Artículo
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Título: | Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings |
Autor: | Depine, R.A.; Ledesma, S. |
Filiación: | Grupo de Electromagnetismo Aplicado, Departamento de Física, Universidad de Buenos Aires, Buenos Aires 1428, Argentina Departamento de Físíca, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
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Palabras clave: | 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 |
Año: | 2004
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Volumen: | 29
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Número: | 19
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Página de inicio: | 2216
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Página de fin: | 2218
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DOI: |
http://dx.doi.org/10.1364/OL.29.002216 |
Título revista: | Optics Letters
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Título revista abreviado: | Opt. Lett.
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ISSN: | 01469592
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CODEN: | OPLED
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01469592_v29_n19_p2216_Depine |
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Citas:
---------- APA ----------
Depine, R.A. & Ledesma, S.
(2004)
. Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings. Optics Letters, 29(19), 2216-2218.
http://dx.doi.org/10.1364/OL.29.002216---------- CHICAGO ----------
Depine, R.A., Ledesma, S.
"Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings"
. Optics Letters 29, no. 19
(2004) : 2216-2218.
http://dx.doi.org/10.1364/OL.29.002216---------- MLA ----------
Depine, R.A., Ledesma, S.
"Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings"
. Optics Letters, vol. 29, no. 19, 2004, pp. 2216-2218.
http://dx.doi.org/10.1364/OL.29.002216---------- VANCOUVER ----------
Depine, R.A., Ledesma, S. Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings. Opt. Lett. 2004;29(19):2216-2218.
http://dx.doi.org/10.1364/OL.29.002216