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Abstract:

We compute the spectral distribution of energy obtained when a plane electromagnetic wave is scattered at a rough boundary between a vacuum and a metal. The boundary is constructed as the sum of two contributions: a perfectly periodic, sinusoidal roughness representing an ideal grating and a statistically varying roughness representing the defects of a real diffraction grating. We solve Maxwell's equations using Rayleigh expansions together with a surface impedance boundary condition, a procedure which restricts us to consider only highly conducting and shallow gratings. Our results show that when the magnetic field is parallel to the grooves, the plots of scattered light exhibit peaks that do not change their position with the angle of incidence. The angular position of the peaks conforms closely to the same law which governs the creation of a photon from a surface plasmon, a fact which seems to indicate that the peaks could correspond to a form of stray light known in the literature as surface plasmon scattering or diffuse light bands. © 1991.

Registro:

Documento: Artículo
Título:Spectral impurity in gratings due to surface plasmon scattering
Autor:Brudny, V.L.; Depine, R.A.
Filiación:Laboratorio de Optica, Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellon I, 1428 Buenos Aires, Argentina
Palabras clave:Light - Scattering; Optical Gratings; Physics - Solid State; Diffuse Light Bands; Surface Plasmon Scattering; Surface Plasmons; Electromagnetic Waves
Año:1991
Volumen:82
Número:5-6
Página de inicio:420
Página de fin:424
DOI: http://dx.doi.org/10.1016/0030-4018(91)90352-E
Título revista:Optics Communications
Título revista abreviado:Opt Commun
ISSN:00304018
CODEN:OPCOB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v82_n5-6_p420_Brudny

Referencias:

  • Hutley, (1982) Diffraction gratings, p. 140. , Academic Press, London
  • Hutley, (1982) Diffraction gratings, p. 143. , Academic Press, London
  • Hutley, Bird, A Detailed Experimental Study of the Anomalies of a Sinusoidal Diffraction Grating (1973) Optica Acta: International Journal of Optics, 20, p. 771
  • Cowan, (1974) Optics Comm., 12, p. 373
  • Loewen, McKinney, McPhedran, (1984) Proc. SPIE, 503, p. 503. , 6th edition
  • Simon, Gonzalez-Pagliere, Diffuse Light in Diffraction Gratings and Surface Plasma Oscillations (1986) Optica Acta: International Journal of Optics, 33, p. 1035
  • Simon, Gonzalez-Pagliere, (1988) J. Mod. Optica, 35, p. 1549
  • Simon, Garea, Phase Behaviour in Diffuse Light Bands from Diffraction Gratings (1987) Journal of Modern Optics, 34, p. 151
  • J.M. Simon and S. Ledesma, Diffuse light bands from diffraction gratings: correlation study, J. Mod. Optics. (to appear); Ledesma, Correlacion en las bandas de luz difusa de redes de difraccion (1990) Ph.D. Thesis, , 6th edition, University of Buenos Aires
  • Hutley, (1982) Diffraction gratings, p. 200. , Academic Press, London
  • Nieto-Vesperinas, Dainty, (1990) Scattering in volumes and surfaces, , North-Holland, Amsterdam
  • Depine, Brudny, A Simple Model for a Microrough Diffraction Grating That Predicts Diffuse Light Bands (1989) Journal of Modern Optics, 36, p. 1257
  • R.A. Depine and V.L. Brudny, J. Mod. Optics (submitted); Millar, On the Rayleigh assumption in scattering by a periodic surface. II (1971) Mathematical Proceedings of the Cambridge Philosophical Society, 69, p. 217. , 6th edition
  • Depine, (1990) Scattering in volumes and surfaces, p. 239. , North-Holland, Amsterdam
  • Depine, Brudny, (1990) IEEE Antennas Prop., 38, p. 1290

Citas:

---------- APA ----------
Brudny, V.L. & Depine, R.A. (1991) . Spectral impurity in gratings due to surface plasmon scattering. Optics Communications, 82(5-6), 420-424.
http://dx.doi.org/10.1016/0030-4018(91)90352-E
---------- CHICAGO ----------
Brudny, V.L., Depine, R.A. "Spectral impurity in gratings due to surface plasmon scattering" . Optics Communications 82, no. 5-6 (1991) : 420-424.
http://dx.doi.org/10.1016/0030-4018(91)90352-E
---------- MLA ----------
Brudny, V.L., Depine, R.A. "Spectral impurity in gratings due to surface plasmon scattering" . Optics Communications, vol. 82, no. 5-6, 1991, pp. 420-424.
http://dx.doi.org/10.1016/0030-4018(91)90352-E
---------- VANCOUVER ----------
Brudny, V.L., Depine, R.A. Spectral impurity in gratings due to surface plasmon scattering. Opt Commun. 1991;82(5-6):420-424.
http://dx.doi.org/10.1016/0030-4018(91)90352-E