Vol. 8, issue 08, article # 10

pdf Popov A. A. Applicability limits of the method of physical optics in the problems of light scattering by large crystals. II. Scattering by a rectangular plate. // Atmospheric and oceanic optics. 1995. V. 8. No. 08. P. 1199-1205.
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By means of physical optics method the formulas are obtained for extinction and scattering cross sections and efficiency factors for the case of normal incidence of a plane wave onto the base of a 2a×2b rectangular plate. An estimation of the relative error is obtained in the form of inequality, the right-hand side of which is a linear combination of two integrals being the functions of two diffraction parameters p = ka and q = kb. The error is shown to be less than 3% for the rectangular plate with the minimum size of the base ten times exceeding the wavelength.