The Benefits of a Magnetic Mirror in a Traveling Wave Tube: Computational Experiments' Results

A comparative traveling wave tube (TWT) particle-in-cell (PIC) simulation based on a corrugated electrodynamic retarding structure with and without a magnetic mirror (MM) has been performed. As a result, it has been found that there is a significant benefit of a MM for TWT. It manifests itself in th...

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Veröffentlicht in:	IEEE transactions on plasma science 2023-07, Vol.51 (7), p.1-6
Hauptverfasser:	Dubinov, Alexander E., Kolesov, Herman N., Tarakanov, Vladimir P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cathodes Electrodynamics Electron beams Magnetic fields Magnetic mirror (MM) Magnetic mirrors Microwave circuits Microwave oscillators Microwave radiation Microwaves Mirrors particle-in-cell (PIC) simulation traveling wave tube (TWT) Traveling wave tubes Traveling waves
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Zusammenfassung:	A comparative traveling wave tube (TWT) particle-in-cell (PIC) simulation based on a corrugated electrodynamic retarding structure with and without a magnetic mirror (MM) has been performed. As a result, it has been found that there is a significant benefit of a MM for TWT. It manifests itself in the increase in microwave generation power, power level stabilization, and a decrease in the duration of the power rise time to the average level. In this case, the use of a MM does not lead to a change in microwave radiation spectral characteristics.
ISSN:	0093-3813 1939-9375
DOI:	10.1109/TPS.2023.3240088