Electromagnetic Crystal with Capacitive Cylinders
- Authors: Bankov S.E.1, Kalinichev V.I.1, Frolova E.V.1
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Affiliations:
- Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
- Issue: Vol 64, No 9 (2019)
- Pages: 926-936
- Section: Electrodynamics and Wave Propagation
- URL: https://journals.rcsi.science/1064-2269/article/view/201123
- DOI: https://doi.org/10.1134/S1064226919080023
- ID: 201123
Cite item
Abstract
The article investigates an electromagnetic crystal in the form of metal cylinders with capacitive gaps in the nodes of a rectangular two-dimensional periodic lattice between metal screens forming a flat waveguide. Using a standard electrodynamic modeling system, the authors studied the diffraction of a plane wave at the boundary of an infinite layer for one coordinate and a finite layer for another coordinate, and determined the band structure of the electromagnetic crystal. The behavior of the pass and stop bands was studied as a function of the crystal parameters. An additional passband was discovered, the occurrence of which is associated with excitation of a higher-type wave of a plane waveguide. The effect of series resonance in a capacitive cylinder on the damping of a wave in the stop band is considered. The possibility of an approximate description of an electromagnetic crystal in the stop band is investigated. A number of models are proposed, obtained via numerical solution of the problem of oblique incidence of a plane wave on the crystal boundary.
About the authors
S. E. Bankov
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
Author for correspondence.
Email: sbankov@yandex.ru
Russian Federation, Moscow, 125009
V. I. Kalinichev
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
Email: sbankov@yandex.ru
Russian Federation, Moscow, 125009
E. V. Frolova
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
Email: sbankov@yandex.ru
Russian Federation, Moscow, 125009