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Telecommunications and Radio Engineering
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ISSN Imprimir: 0040-2508
ISSN En Línea: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v76.i10.10
pages 845-853

EXCITATION OF THE FABRY-PEROT RESONATOR THROUGH EVANESCENT COAXIAL-SECTOR HOLES

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

SINOPSIS

The conductive plates with a great number of holes that provide a partial transparency can be mirrors in the microwave Fabry-Perot resonator. It is shown through computer simulations that the absolute value of the reflection factor of plane linearly polarized waves incident upon a resonator with coaxial-sector holes in the mirrors equals to zero at a wavelength that is longer than the cutoff wavelength of the coaxial-sector waveguides. In this conditions, the electromagnetic field amplitude in the cavity volume increases by an order of magnitude as compared with the exciting field amplitude. It is shown that should one of the mirrors in the Fabry-Perot resonator be replaced by a solid metal plane the plane wave amplitude in the resonator can be increased by almost two orders of magnitude with respect to the exciting field amplitude.


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