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Updated: Jul 27, 2026
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Dispersion of helically corrugated waveguides: analytical, numerical, and experimental study
G Burt1, S V Samsonov, K Ronald
1Department of Physics, University of Strathclyde, Glasgow, G4 0NG, Scotland, United Kingdom.
Abstract:
Helically corrugated waveguides have recently been studied for use in various applications such as interaction regions in gyrotron traveling-wave tubes and gyrotron backward-wave oscillators and as a dispersive medium for passive microwave pulse compression. The paper presents a summary of various methods that can be used for analysis of the wave dispersion of such waveguides. The results obtained from an analytical approach, simulations with the three-dimensional numerical code MAGIC, and cold microwave measurements are analyzed and compared.
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