The Partial-Region Method for Electrodynamic Calculation of Cylindrical Structures with Metal Radial T-Ridges and Inhomogeneous Dielectric Filling

We solve the problem of electrodynamic analysis of the mode content in a circular waveguide with radial metal T-ridges and layered dielectric filling. Algorithms for calculation of cutoff wave numbers, components of the electromagnetic fields of the H and E waves, and the propagation constants of th...

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Bibliographic Details
Published in:Radiophysics and quantum electronics 2021-10, Vol.64 (5), p.357-369
Main Authors: Lonkina, D. V., Zemlyakov, V. V., Gubsky, D. S., Zargano, G. F., Krutiev, S. V.
Format: Article
Language:English
Subjects:
Algorithms
Astronomy
Astrophysics and Astroparticles
Circular waveguides
Electromagnetic fields
Electromagnetism
Hadrons
Heavy Ions
Hybrid modes
Lasers
Mathematical analysis
Mathematical and Computational Physics
Methods
Nuclear Physics
Observations and Techniques
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Quantum Optics
Ridges
Theoretical
Wave propagation
Waveguides
Wavelengths
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Summary:We solve the problem of electrodynamic analysis of the mode content in a circular waveguide with radial metal T-ridges and layered dielectric filling. Algorithms for calculation of cutoff wave numbers, components of the electromagnetic fields of the H and E waves, and the propagation constants of the hybrid HE and EH waves are developed with allowance for the features of the field behavior near a metal ring-shaped sector of finite thickness. The dependences of normalized cutoff wave numbers and propagation constants on the geometric sizes of the structure and its dielectric permittivity are studied. The electromagnetic field of the fundamental and higher modes of the H and E waves and hybrid modes is visualized.
ISSN:0033-8443
1573-9120
DOI:10.1007/s11141-022-10138-7