This paper discusses an iterative algorithm for solving Fredholm's integral equation of the second kind by using the fast-Fourier-transformation algorithm to compute a convolution-type integral. The algorithm is used to analyze the diffraction of an electromagnetic wave with TE/TM polarization (for example, a nonparaxial Gaussian beam) at cylindrical dielectric microscopic objects whose linear cross-sectional size is comparable with the wavelength. The results of numerical modeling are presented, along with a comparison with an analytical calculation. © 2005 Optical Society of America
V. V. Kotlyar, R. V. Skidanov, and A. G. Nalimov, "Method for rapidly calculating the diffraction of laser radiation at microscopic objects," J. Opt. Technol. 72, 400-405 (2005)
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