Journal ArticleDOI
Some aspects of light scattering from a randomly rough metal surface
TLDR
In this article, a theory of the resonant nonspecular scattering of light from a randomly rough metal surface is fitted to experimental data in a way that permits the extraction of the two-dimensional Fourier transform g(k∥) of the correlation function of the surface profile function from the experimental results.Abstract:
Two problems involving the interaction of a volume electromagnetic wave with a randomly rough metal surface are studied. In the first part a recently constructed theory of the resonant nonspecular scattering of light from a randomly rough metal surface is fitted to experimental data in a way that permits the extraction of the two-dimensional Fourier transform g(k∥) of the two-point correlation function of the surface profile function from the experimental results. It is found that the resulting correlation function can have its first maximum away from k∥ = 0 and decays to zero with increasing k∥ in a nonmonotonic fashion. This form for g(k∥) has been obtained in recent, independent, experimental determinations of this function. In the second part the scattering of p-polarized light from a randomly rough grating is studied in a case in which the plane of incidence is normal to the grooves of the grating. A diagrammatic method that self-consistently takes into account the diagrams responsible for localization phenomena in other contexts is used in this analysis. It is shown that the contribution from these diagrams gives rise to an enhanced scattered intensity in the antispecular direction. As a by-product of this calculation, the localization of surface polaritons by surface roughness is demonstrated and their localization length is determined.read more
Citations
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Journal ArticleDOI
Enhanced backscattering of light from a random grating
TL;DR: In this article, the authors used Green's second integral theorem to obtain exact expressions for the scattered electromagnetic field produced by a p- or s-polarized beam of finite width incident from the vacuum side onto a random grating whose grooves are perpendicular to the plane of incidence.
Journal ArticleDOI
Experimental study of scattering from characterized random surfaces
TL;DR: In this article, an experimental investigation of light scattering from random rough surfaces is described, whose height fluctuations approximately follow Gaussian statistics, are fabricated in photoresist with a metal overcoating, and the effects of multiple scattering are shown to be consistent with the major features of the observations.
Journal ArticleDOI
Plasmonic absorption in textured silver back reflectors of thin film solar cells
TL;DR: In this paper, the influence of different textures and dielectric environments on the excitation of surface plasmon resonances on silver was studied, where textured metallic films often serve as back contacts of silicon thin film solar cells.
Journal ArticleDOI
Observation of depolarization and backscattering enhancement in light scattering from gaussian random surfaces
TL;DR: In this article, the authors report the observation of enhanced backscattering and strongly depolarized scattering of light from random rough surfaces, whose height fluctuations obey gaussian statistics, fabricated in photoresist with an aluminium overcoating.
Journal ArticleDOI
Light scattering from random rough dielectric surfaces
TL;DR: In this paper, a theoretical and numerical study of the scattering of light and other electromagnetic waves from rough surfaces separating vacuum from a dielectric is made, where the extinction theorem is used to obtain the boundary values of the field and its normal derivative.
References
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Journal ArticleDOI
Optical Constants of the Noble Metals
P. B. Johnson,R. W. Christy +1 more
TL;DR: In this paper, the optical constants for the noble metals (copper, silver, and gold) from reflection and transmission measurements on vacuum-evaporated thin films at room temperature, in the spectral range 0.5-6.5 eV.
Journal ArticleDOI
Surface raman spectroelectrochemistry: Part I. Heterocyclic, aromatic, and aliphatic amines adsorbed on the anodized silver electrode
TL;DR: In this article, the authors verified the remarkable sensitivity of Raman spectroscopy for the study of adsorbed pyridine on a silver surface, and extended its applicability to other nitrogen heterocycles and amines.
Journal ArticleDOI
Relation between Surface Roughness and Specular Reflectance at Normal Incidence
H. E. Bennett,J. O. Porteus +1 more
TL;DR: In this paper, the roughness of a plane surface is related to its specular reflectance at normal incidence, and expressions for the case when the root mean square surface roughness is small compared to the wavelength of light are presented.