NDLI: Excitation of the Azimuthal Surface Waves in Electron Cyclotron Frequency Range by Rotating Electron Beam in a Coaxial Waveguide

Content Provider	IEEE Xplore Digital Library
Author	Blednov, O.S. Girka, I.O. Girka, V.O. Pavlenko, I.V.
Copyright Year	1973
Abstract	The initial stage of interaction between gyrating beam of electrons, which move along Larmor orbits in a narrow gap between a cylindrical plasma layer and an external screen of a metal coaxial waveguide, and electromagnetic eigenwaves is studied theoretically. These waves are extraordinary polarized; they propagate along the azimuthal angle across an axial external steady magnetic field in the electron cyclotron frequency range. The numerical analysis shows that existence of internal metal conductor affects the magnitude of the growth rate weakly. It narrows the range of effective wavenumbers within which effective wave excitation takes place when compared with the case of absence of this conductor. Excitation of these modes is found to be impossible for resonators with relatively small external radii and low plasma densities when compared with a similar structure completely filled with plasma.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	735
Ending Page	741
Page Count	7
File Size	1701018
File Format	PDF
ISSN	00933813
Volume Number	42
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasmas Conductors Electromagnetic waveguides Surface waves Cyclotrons Electron beams plasmas Particle beams plasma applications plasma devices
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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