, Volume 101, Issue 2, pp 303-308

Light scattering in a layer of correlatively arranged optically soft particles

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The light scattering by an ensemble of monodisperse spatially correlated optically soft spherical particles is studied in the interference approximation. A model of the interaction of particles is proposed in which the spatial correlation between particles is determined by a radius R c exceeding the particle radius R p. The radial distribution function is calculated in the Percus-Yevick approximation for hard spheres of the radius R c. To simulate the radiation scattering from an individual particle of the radius R p, the Mie equations are used. It is shown that, in a medium of correlated small nonabsorbing particles of the radius R c > R p, an abnormal wavelength dependence of the refractive index is possible at a low volume concentration of particles. The results obtained explain some experimentally observed features of the scattering in sodium borosilicate glasses with a small concentration of scattering centers.

Original Russian Text © V.A. Loĭko, V.V. Berdnik, 2006, published in Optika i Spektroskopiya, 2006, Vol. 101, No. 2, pp. 318–323.