Effect of a plasma on the microwave radiation from a helical beam in a waveguide
Journal Article
·
· Sov. Phys.-Tech. Phys. (Engl. Transl.), v. 18, no. 1, pp. 78-82
OSTI ID:4341835
The electromagnetic radiation due to the excitation of transverse waves in a helium plasma by a helical electron beam is investigated at frequencies omega ~ omega /sub H/ and omega ~2 omega /sub H/ beam-phasma system confined by a metal waveguide. It is shown that intense high-frequency radiation is observed in the plasma under conditions such that there is no radiation in the vacuum case. An experimental companison is made of the radiation characteristics when a helical beam interacts with the characteristic waves of a vacuum waveguide and with slow electromagnetic waves that propagate in the plasma. A qualitative interpretation of the observed phenomena is given. (auth)
- Research Organization:
- M. I. Kalinin Leningrad Polytechnic Institute, Leningrad
- NSA Number:
- NSA-29-023250
- OSTI ID:
- 4341835
- Journal Information:
- Sov. Phys.-Tech. Phys. (Engl. Transl.), v. 18, no. 1, pp. 78-82, Journal Name: Sov. Phys.-Tech. Phys. (Engl. Transl.), v. 18, no. 1, pp. 78-82; ISSN SPTPA
- Country of Publication:
- United States
- Language:
- English
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