The scattering of electromagnetic radiation from dielectric scatterers

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Abstract
The problem of electromagnetic wave scattering from arbitrarily shaped scatterers recently solved by using an integral equation formulation is extended to treat the case of scattering by infinite cylinders. The method is based on describing the internal field of the scatterer in terms of an independent set of plane wave functions. Numerical stability conditions are satisfied. Numerical results are presented for cylinders of elliptic cross section for two independent incident waves. Results are also given for scattering by three-dimensional spheroidal scatterers of refractive index n0=1.33. The solution presented is applicable for scatterers with size parameter (k0a) from the Rayleigh region (k0a<>1) provided for each given scatterer certain matrix elements can be calculated.