Methodological notes

Dipole-wave theory of electromagnetic diffraction

Institute on Laser and Information Technologies, Russian Academy of Sciences, Svyatoozerskaya str. 1, Shatura, Moscow Region, 140700, Russian Federation

A theory of diffraction is presented which systematically employs the wave approach used in the Kirchhoff method and, unlike the Kirchhoff integral, does not have severe applicability limitations. The diffraction problem is solved by using the Hertz vector instead of the field vector used in the Kirchhoff integral. The basic diffraction problems for linearly, radially, and azimuthally polarized radiation are solved analytically. The key qualitative feature of the solutions is the presence of ’poles’ — zero field points within the diffraction pattern of light and dark fringes. The poles lie along the direction of the electric field vector. The solutions obtained satisfy the Maxwell equations and the reciprocity principle.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 41.20.Jb, 42.25.Fx (all)
DOI: 10.1070/PU2002v045n05ABEH001091
Citation: Niz’ev V G "Dipole-wave theory of electromagnetic diffraction" Phys. Usp. 45 553–559 (2002)
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Оригинал: Низьев В Г «Дипольно-волновая теория дифракции электромагнитного излучения» УФН 172 601–607 (2002); DOI: 10.3367/UFNr.0172.200205e.0601

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