Zobrazeno 1 - 10
of 45
pro vyhledávání: '"O. F. Kovpik"'
Autor:
O. F. Kovpik, V. G. Svichenskii, E. A. Kornilov, I. K. Kovalchuk, V. A. Buts, Dmytro Tarasov, A. N. Antonov
Publikováno v:
Plasma Physics Reports. 38:636-650
The regular and stochastic decays of fast high-frequency waves in a cavity filled with a low-density magnetoactive plasma are studied both theoretically and experimentally. The conditions for the transformation of the regular regime into the stochast
Publikováno v:
Plasma Physics Reports. 27:614-618
Results are presented from experimental studies of the energy spectra of an electron beam in a model beam-plasma oscillator based on a hybrid plasma waveguide in the pulsed mode of microwave generation with a pulse duration of 1 µs or shorter. The b
Autor:
E.A. Kornilov, Yu. P. Bliokh, V. G. Svichenskii, V. O. Podobinskii, O. F. Kovpik, M. G. Lyubarskii, A. N. Antonov, Konstantin Matyash, Ya. B. Fainberg
Publikováno v:
Plasma Physics Reports. 27:251-258
A study is made of the characteristic features of the effect of plasma nonlinearity in a slow-wave structure on microwave generation by an electron beam and on electron beam energy losses. Theoretical results on the plasma density variation, the ampl
Publikováno v:
Plasma Physics Reports. 27:172-177
The excitation of oscillations in a discharge with negative differential conductivity is studied experimentally. The possibility is demonstrated of amplifying oscillations in the cathode dark space at frequencies close to the electron plasma frequenc
Autor:
O. F. Kovpik, Konstantin Matyash, A. N. Antonov, V. G. Svichenskii, Ya. B. Fainberg, V. O. Podobinskii, Yu. P. Bliokh, E.A. Kornilov, M. G. Lubarskii
Publikováno v:
Plasma Physics Reports. 26:1027-1038
The excitation of microwave oscillations by an electron beam in a hybrid plasma waveguide—a slow-wave structure (a sequence of inductively coupled resonators) with a plasma-filled transport channel—is studied both experimentally and theoretically
Autor:
V. A. Buts, O. V. Manuilenko, K. N. Stepanov, Yu. A. Turkin, V. G. Svichenskii, A. N. Antonov, E.A. Kornilov, O. F. Kovpik
Publikováno v:
Scopus-Elsevier
It is shown theoretically and experimentally that stochastic heating of plasma electrons is highly efficient. Calculations have shown that over the course of 100 periods of an external microwave field the kinetic energy of the particles reaches value
Autor:
V. G. Svichenskij, A. M. Egorov, A.P. Tolstoluzhsky, O. F. Kovpik, A.N. Antonov, E. A. Kornilov, V. A. Buts
Publikováno v:
2007 International Kharkiv Symposium Physics and Engrg. of Millimeter and Sub-Millimeter Waves (MSMW).
Sources of intensive coherent short-wave radiation up to X-ray can be created by radiation of high numbers harmonics by an ensemble of nonrelativistic oscillators moving in periodically inhomogeneous medium or in external space-periodic potential. Th
Publikováno v:
Scopus-Elsevier
Summary form only given, as follows. Summary form only given. To determinate the possibility of the beam-plasma generators creating in mm range the electrodynamical properties of the structure consisting of a sequence (period D, width d) of metallic
Autor:
V.I. Karas, A. N. Antonov, M.G. Lubarsky, V.S. Antipov, E.A. Kornilov, G.V. Sotnikov, V.G. Svichensky, V. A. Balakirev, Ya. B. Fainberg, A. M. Egorov, V. O. Podobinsky, O. F. Kovpik, Konstantin Matyash, Yu. P. Bliokh
Publikováno v:
12th International Conference on High-Power Particle Beams. BEAMS'98. Proceedings (Cat. No.98EX103).
The tasks of increase of the HF power under excitation and the microwave energy extraction into the outer space are the key problems of microwave electronics. In order to solve them, the authors proposed the application of hybrid plasma waveguides. T
Autor:
O. F. Kovpik, G.V. Sotnikov, A.V. Borodkin, E.A. Kornilov, V. A. Balakirev, I. N. Onishchenko, Yu. P. Bliokh
Publikováno v:
IEEE Conference Record - Abstracts. 1997 IEEE International Conference on Plasma Science.
Summary form only given, as follows. Hybrid plasma slow-wave structure as a combination of conventional structure and plasma waveguide is promising for wideband HF-devices with enhanced efficiency. In the present investigations the periodic successio