Mode dynamics in a free electron maser with broadband frequency-dispersive feedback

Mode dynamics in a free electron maser with broadband frequency-dispersive feedback

For a free-electron oscillator, problems of mode dynamics are studied for a case when the feedback has a wide, but finite band (the feedback coefficient depends on the frequency). It is shown that even a broadband frequency-dispersive feedback can significantly affect both the electron-current thres...

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Veröffentlicht in:Physics of plasmas 2001-02, Vol.8 (2), p.638-642
Hauptverfasser: Savilov, A. V., Bratman, V. L., Denisov, G. G., Bongers, W. A., van der Geer, C. A. J., Manintveld, P., Militsyn, B. L., Verhoeven, A. G. A., Urbanus, W. H.
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Sprache:eng
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Zusammenfassung:For a free-electron oscillator, problems of mode dynamics are studied for a case when the feedback has a wide, but finite band (the feedback coefficient depends on the frequency). It is shown that even a broadband frequency-dispersive feedback can significantly affect both the electron-current threshold of stability of the single-mode operation and the process of frequency tuning.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.1339233