Rarefaction of the natural oscillation spectrum of a surface wave resonator

G. A. Melkov; A. V. Prokopenko; V. N. Raksha

doi:10.3103/S0735272704010042

Authors

G. A. Melkov Taras Shevchenko National University of Kyiv, Ukraine
A. V. Prokopenko Taras Shevchenko National University, Ukraine
V. N. Raksha Taras Shevchenko National University, Ukraine

DOI:

https://doi.org/10.3103/S0735272704010042

Abstract

The paper presents an investigation of a surface wave resonator (SWR) in the shape of a metal plate in a normal and in an evanescent rectangular waveguide. It is shown — both theoretically and by experiment — that the SWR oscillation spectrum becomes rarified due to suppression of oscillation frequencies dictated by the waveguide modes. In this case the fundamental oscillation of the SWR always has the lowest frequency. A theoretical model well describing the effect revealed is developed.

References

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