Additively manufactured lightweight coaxial to circular waveguide transition for linearly polarized microwave systems
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-11467-z
Abstract: Waveguides and transitions provide efficient, low-loss microwave transmission across a target frequency band for space communications and radar. However, traditional waveguide transitions suffer from impedance mismatch, higher-order mode excitation, field distortion, and complex-geometry fabrication constraints.… read more here.
Keywords: coaxial circular; linearly polarized; waveguide transition; transition ... See more keywords
Design and Test of a Novel Broadband Circular Waveguide TE 31 Mode Converter
Sign Up to like & getrecommendations! Published in 2025 at "Electronics Letters"
DOI: 10.1049/ell2.70440
Abstract: In order to meet the cold testing requirements of high‐frequency systems for gyrotron travelling wave tube (Gyro‐TWT), a novel broadband circular waveguide TE 31 mode converter is designed and verified in this letter. The designed… read more here.
Keywords: waveguide mode; mode; mode converter; waveguide ... See more keywords
Left-handed propagation characteristics of a dielectric and metal-loaded periodic circular waveguide
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2017.1360802
Abstract: Abstract In this paper, a periodic dielectric/metallic rod is located in a circular waveguide to obtain left-handed operation. Two geometries of the dielectric/metallic rod are proposed and examined. The dispersion characteristics of the investigated waveguides… read more here.
Keywords: characteristics dielectric; left handed; circular waveguide; propagation characteristics ... See more keywords
A Broadband Circular Waveguide Rotary Joint with Substrate Integrated Coaxial Line Feeder
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2021.3097121
Abstract: The invention discloses a broadband circular waveguide rotary joint with substrate integrated coaxial line feeds. The broadband circular waveguide rotary joint comprises two identical substrate integrated coaxial line feeds and a circular waveguide vertically connected… read more here.
Keywords: circular waveguide; metal; integrated coaxial; coaxial line ... See more keywords
Experimental Demonstration of Degenerate Band Edge in Metallic Periodically Loaded Circular Waveguide
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2017.2706271
Abstract: We experimentally demonstrate for the first time the degenerate band edge (DBE) condition, namely, the degeneracy of four Bloch modes, in loaded circular metallic waveguides. The four modes forming the DBE represent a degeneracy of… read more here.
Keywords: circular waveguide; band edge; degenerate band; loaded circular ... See more keywords
Diffraction at the Open-Ended Dielectric-Loaded Circular Waveguide: Rigorous Approach
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2021.3064343
Abstract: An elegant and convenient rigorous approach for solving canonical circular open-ended dielectric-loaded waveguide diffraction problems is presented. It uses the solution of corresponding Wiener–Hopf–Fock equation and leads to an infinite linear system for reflection coefficients… read more here.
Keywords: circular waveguide; dielectric loaded; rigorous approach; open ended ... See more keywords