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Telecommunications and Radio Engineering
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ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v77.i12.20
pages 1029-1039

AMPLITUDE AND POLARIZATION CHARACTERISTICS OF THE FABRY- PEROT RESONATOR WITH COAXIAL- SECTOR HOLES AND WAVEGUIDE LOADS ON THE MIRRORS

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
I. K. Kuzmichev
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine

RÉSUMÉ

In view of the necessity of investigating electrophysical properties of novel materials, of great interest are resonance method of measuring the polarization characteristics of these materials. Numerical investigations of the electrodynamic properties of the Fabry-Perot resonator with coaxial-sector holes and waveguide loads in the mirrors have shown that excitation of the reflective resonator by a plane linearly polarized wave at a frequency below the cutoff one for the coaxial-sector waveguides is accompanied by a strong localization of the electromagnetic field inside the resonator. In the case of the two-mode operation of the coaxial-sector waveguides, a possibility has been detected of obtaining a circular polarization of the electric field in the resonator volume. It has been shown that the magnitude and polarization of the electric field in the resonator can be controlled through changing the mirror separation between the mirror and length of the short-circuit waveguides of one of the mirrors.


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