Vol. 20, issue 12, article # 16

Batoroev A.S. Diffraction field from sector areas in the Fresnel zone. // Atmospheric and oceanic optics. 2007. V. 20. No. 12. P. 1040-1044.
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The paper describes the results of analytical solutions of the Fresnel diffraction problem obtained for the general case of a sector aperture and, as a consequence, for the case of the angular area representing the part of the infinite plane. The results of the calculations of diffraction field spatial structure, carried out with the use of the found solutions are presented for some practically important situations.