Microwave Generation during 100 keV Electron Beam Relaxation in GOL-3

First experimental results on microwave radiation at double plasma frequency from plasma heated by ~100 keV, 2-10 MW electron beam of ~100 μs duration in GOL-3 are presented. Measurements were done in 75-200 GHz band. The spectrum was peaked at ~94 GHz at ~3·10 13 cm -3 plasma density, the temporal...

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Bibliographic Details
Published in:Fusion science and technology 2013-05, Vol.63 (1T), p.286-288
Main Authors: Burdakov, A. V., Arzhannikov, A. V., Burmasov, V. S., Ivanov, I. A., Ivantsivsky, M. V., Kandaurov, I. V., Kuznetsov, S. A., Kurkuchekov, V. V., Mekler, K. I., Polosatkin, S. V., Popov, S. S., Postupaev, V. V., Rovenskikh, A. F., Sklyarov, V. F., Thumm, M.K.A., Trunev, Yu.A., Vyacheslavov, L. N.
Format: Article
Language:English
Subjects:
Beams (radiation)
Electron beams
Microwaves
Plasma density
Plasma frequencies
Temporal logic
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Summary:First experimental results on microwave radiation at double plasma frequency from plasma heated by ~100 keV, 2-10 MW electron beam of ~100 μs duration in GOL-3 are presented. Measurements were done in 75-200 GHz band. The spectrum was peaked at ~94 GHz at ~3·10 13 cm -3 plasma density, the temporal behavior of radiated power was spiky. The generation efficiency reached ~1% of total beam power.
ISSN:1536-1055
1943-7641
DOI:10.13182/FST13-A16930