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Radio Physics and Radio Astronomy

ISSN Imprimir: 2152-274X
ISSN On-line: 2152-2758

Archives: Volume 1, 2010 to Volume 3, 2012

Radio Physics and Radio Astronomy

DOI: 10.1615/RadioPhysicsRadioAstronomy.v2.i3.80
pages 265-270

CONVERSION OF ELECTROMAGNETIC WAVE POLARIZATION BY A REFLECTION GRATING OF SHORT-CIRCUITED COAXIAL SECTOR WAVEGUIDES

J. V. Antonenko
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4 Mystetstv St., Kharkiv 61002, Ukraine
A. V. Gribovsky
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4 Mystetstv St., Kharkiv 61002, Ukraine

RESUMO

Polarization properties of a reflective two-dimensionally periodic grating of short-circuited coaxial sector waveguides are analyzed. Frequency dependences of the Stokes parameters of the reflected wave are presented for the cases of normal and oblique incidence of a plane linearly polarized electromagnetic wave upon the grating. The Stokes parameters are analyzed in dependence on the length of the short-circuited coaxial sector waveguides. It is shown that a plane linearly polarized wave incident normally or obliquely upon the grating can be transformed into a reflected circular polarized wave with either clockwise or anticlockwise rotation of the electric field vector.


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