Enhanced transmission through below-cutoff holes and eigenoscillations of waveguide objects and periodical structures


  • Anatoliy A. Kirilenko Usikov Institute of Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Ukraine https://orcid.org/0000-0002-8717-5334
  • Nataliya G. Kolmakova (Don) Usikov Institute of Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Ukraine
  • Andrey O. Perov Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Ukraine https://orcid.org/0000-0003-2847-8164




below-cutoff hole, double periodic metal screen, waveguide iris, eigenoscillations, total transmission


The spectral theory is used to explain the enhanced transmission phenomenon. Eigenoscillations of corresponding waveguide and periodic open resonators have been studied. Their influence on frequency response is demonstrated for various structures. It has been found that the origin of this recently discovered effect is in the existence of the eigenoscillations of the interface between the free half-space and the metal half-space perforated with double-periodic set of channels or the eigenoscillations of the waveguide plane junction.


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