Generalized Maxwell Garnett equations for rough surfaces

An optical model of a rough surface is made up of a layer of metal particles of sizes much smaller than a wavelength, dispersed in a dielectric medium. The metal particles are approximated by a layer of dipoles of identical dipole moment arranged in square or hexagonal planar array. The two-dimensio...

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Bibliographic Details
Published in:Journal of applied physics 1974-11, Vol.45 (11), p.5004-5007
Main Authors: Chan, E. C., Marton, J. P.
Format: Article
Language:English
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Summary:An optical model of a rough surface is made up of a layer of metal particles of sizes much smaller than a wavelength, dispersed in a dielectric medium. The metal particles are approximated by a layer of dipoles of identical dipole moment arranged in square or hexagonal planar array. The two-dimensional dipole-dipole interaction results in surface anisotropy represented by a pair of Maxwell Garnett-type equations. This surface anisotropy due to surface geometry may be a good indication of the degree of roughness of a given surface.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1663173