Potential and rotational Space-charge fields In a free electron maser

Potential and rotational Space-charge fields In a free electron maser

Simulation of periodic signal amplification regime in a free-electron maser (FEM) is carried out taking into account the space-charge field. We study influence both of the potential and rotational space-charge fields. An approximate method of calculation of the rotational part of the space-charge fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Goryashko, V.A., Ilyenko, K.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Electrons
Helium
Indium tin oxide
Masers
Voltage control
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Beschreibung
Zusammenfassung:Simulation of periodic signal amplification regime in a free-electron maser (FEM) is carried out taking into account the space-charge field. We study influence both of the potential and rotational space-charge fields. An approximate method of calculation of the rotational part of the space-charge field is proposed. Its idea lies in approximation of an infinite set of rotational cutoff modes by some quasi-static electric and magnetic fields. We determine that the rotational part of the space-charge field suppresses the defocusing influence of the potential part on electron beam bunching.
DOI:10.1109/CRMICO.2008.4676338