Optical properties of spheres containing several spherical inclusions.
The formalism that was previously devised [J. Opt. Soc. Am. A 9, 1327 (1992)] to deal with the optical properties of homogeneous spheres containing an eccentric spherical inclusion is extended to the case of several inclusions. The extinction efficiency of dielectric spheres containing two identical metallic inclusions is calculated for a few significant geometries. Extinction by a low-density dispersion of the anisotropic scatterers mentioned above is also evaluated. Our results show that the subdivision of the included material has quite visible effects that strongly depend on both the polarization of the incident light and the geometric arrangement of the inclusions.
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