ISSN 0869-6632 (Print)
ISSN 2542-1905 (Online)

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Bliokh K. Y., Bliokh Y. P., Ljubarskij M. G., Podobinsky V. O. Automodulation regime of linear beam-plasma microwave amplifier caused by excitation of ion-sound waves in plasma. Izvestiya VUZ. Applied Nonlinear Dynamics, 1999, vol. 7, iss. 1, pp. 29-39. DOI: 10.18500/0869-6632-1999-7-1-29-39

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Language: 
Russian
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Journal in the journal
Article type: 
Article
UDC: 
621.385.69.01
DOI: 
10.18500/0869-6632-1999-7-1-29-39

Automodulation regime of linear beam-plasma microwave amplifier caused by excitation of ion-sound waves in plasma

Autors: 
Bliokh Konstantin Yurevich, Radio Astronomy Institute of the National Academy of Sciences of Ukraine
Bliokh Yury Pavlovich, Israel Institue of Technology "Technion"
Ljubarskij M. G., National Science Center Kharkov Institute of Physics and Technology
Podobinsky Vitalii Olegovich, National Science Center Kharkov Institute of Physics and Technology
Abstract: 

А theory of the plasma-filled travelling-wave tube (TWT) linear amplifiers is developed in which the effect of ion-sound waves excited in plasma by the ponderomotive force of operating wave is taken into account. Ion-sound waves propagated against the beam form the distributed internal feedback which tums microwave amplifier into low frequency oscillator. Excited low frequency plasma variations lead to output microwave amplitude modulations. In dependence on the beam current this automodulation could be regnlar or stochastic.

Key words: 
-
Acknowledgments: 
The work was supported by the Ukrainian Science and Technology Center, projects № 256, № 277.
Reference: 
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Received: 
06.10.1998
Accepted: 
29.12.1998
Published: 
28.05.1999
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