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Перегляд Bопросы атомной науки и техники, 2005 за темою "Plasma electronics"

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2005 за темою "Plasma electronics"

Сортувати за: Порядок: Результатів:

  • Amplification and excitation of microwaves by an electron beam in a disk-loaded coaxial hybrid waveguide 
    Antipov, V.S.; Berezhnaya, I.V.; Kornilov, E.A.; Markov, P.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2005)
    We have presented the results of the extensive experimental investigations of the amplification and oscillation excitation by the electron beam in hybrid plasma waveguides (HPW). The structure used as HPW a coaxial line ...
  • Beam instability stabilization in hybrid plasma waveguide 
    Antonov, A.N.; Kovpik, O.F.; Kornilov, E.A.; Svichensky, V.G. (Вопросы атомной науки и техники, 2005)
    The authors submit the results of investigations of the beam-plasma instability derangement in the hybrid plasma waveguide. The latter, placed into the longitudinal magnetic field, consists of a chain of cavities connected ...
  • Enhancement of ion beam charge states by electron vortices in a plasma optical device 
    Goncharov, A.; Maslov, V.; Brown, I. (Вопросы атомной науки и техники, 2005)
    We consider the possibility of enhancing the ionization charge states of beam ions by electron vortices excited in cylindrically symmetric plasma optical systems of finite length with crossed radial electric and longitudinal ...
  • Evolution of the modulated electron beam in the inhomogeneous plasma with linear density profile 
    Anisimov, I.O.; Kelnyk, O.I.; Soroka, S.V. (Вопросы атомной науки и техники, 2005)
    Evolution of the density profile of the modulated electron beam moving through the plasma with linear density profile is studied via computer simulation. Increase of the beam current and decrease of its velocity results ...
  • Excitation of eigen azimthal waves by annular charged particle beam 
    Girka, V.; Lapshin, V.; Puzyrkov, S. (Вопросы атомной науки и техники, 2005)
    Investigations of an interaction between charged-particle beams and hybrid waveguide structures are important for radio engineering and plasma electronics. It is the distinctive feature of the interaction between charged ...
  • Excitation of high numbers harmonics by flows of oscillators in a periodic potential 
    Buts, V.A.; Marekha, V.I.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2005)
    It is shown that the maximum of radiation spectrum of nonrelativistic oscillators, which move into a periodically inhomogeneous potential, can be in the region of high numbers harmonics. Spectrum of such oscillators radiation ...
  • Excitation of Langmuir oscillations in a semi-infinite dense plasma by laser pulse 
    Balakirev, V.A.; Karas’, I.V.; Karas’, V.I.; Fainberg, Ya.B.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2005)
    Nonlinear mechanism of Langmuir wave excitation in dense plasma by intensive laser pulse has been investigated. Laser pulse has frequency ω=ω p /2 (where ω p is electron plasma frequency).
  • Excitation of lf ion oscillations in the systems with relativistic electron beam 
    Balakirev, V.A.; Onishchenko, N.I. (Вопросы атомной науки и техники, 2005)
    The instability of LF wave in ion flow during acceleration by space charge wave in collective ion accelerator based on high current REB, which is modulated in time and in space, is investigated.
  • Experimental studies of some features of beam-plasma discharge initial stage 
    Butenko, V.I.; Ivanov, B.I.; Prishchepov, V.P. (Вопросы атомной науки и техники, 2005)
    In case of gas pressure increasing, the plasma density rapidly increases at p=(1-2)*10⁻⁴ Torr, due to the beam-plasma discharge start (BPD). For fixed pressure above 2*10⁻⁴ Torr, the BPD start depends from the interaction ...
  • Features of the motion of charged particles in the field of the high-frequency impulse of large intensity 
    Buts, V.A.; Kuzmin, V.V. (Вопросы атомной науки и техники, 2005)
    The results of analytical and numerical examinations of features dynamic of charged particles in a field of intensive electromagnetic waves are reported. It is shown that the trajectories of particles, which has initially ...
  • Formation and properties of self-consistent Malmberg-Penning trap 
    Azarenkov, N.A.; Bizyukov, A.A.; Lapshin, V.I.; Maslov, V.I.; Onishchenko, I.N.; Tarasov, I.K.; Tarasov, M.I.; Volkov, E.D. (Вопросы атомной науки и техники, 2005)
    In recent years a big attention is given to coherent structures at an explanation of phenomena of the fast convective carry from the scratch-off-layer in devices such as “tokamak” and “stellarator”. Coherent structures can ...
  • Fractal properties of dispersion characteristics of sinusoidally rippled plasma waveguide 
    Lapshyn, V.I.; Stoyanov, A.F.; Tkachenko, V.I.; Tkachenko, I.V. (Вопросы атомной науки и техники, 2005)
    Features of the solution of Maxwell’s equations in sinusoidally rippled waveguide with the metal walls, filled with cold plasma, are considered. The dispersion equation which gives connection between longitudinal wave ...
  • Influence of normal and anomalous dopler effects on development of beam-plasma instability 
    Kuzelev, M.V.; Rukhadze, A.A. (Вопросы атомной науки и техники, 2005)
    The influences of normal and anomalous Dopler effects on development of a beam-plasma Cherenkov instability in the linear approximation is investigated. It is shown, that normal Dopler effect influences only on an absolute ...
  • Interaction of the modulated electron beam with inhomogeneous plasma: plasma density profile deformation and langmuir waves excitation 
    Anisimov, I.O.; Kelnyk, O.I.; Siversky, T.V.; Soroka, S.V. (Вопросы атомной науки и техники, 2005)
    Nonlinear deformation of the initially linear plasma density profile due to the modulated electron beam is studied via computer simulation. In the initial time period the field slaves to the instantaneous profile of the ...
  • Langmuir waves excitation by electron beam with the limited cross-section in the near-Eearth electron foreshock 
    Anisimov, I.O.; Krasnosselskikh, V.V.; Musatenko, K.S. (Вопросы атомной науки и техники, 2005)
    Model of the stripped monoenergetic electron beam with the sharp boundaries based on the results of CLUSTER measurements is proposed for the near-Earth foreshock vicinity. Dispersion equation is obtained and analyzed using ...
  • Low-frequency processes at interaction of ion flows with relativistic electron beams 
    Balakirev, V.A.; Onishchenko, N.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2005)
    Nonlinear process of excitation of LF oscillations is investigated at radial injection of ion stream into the drift chamber in which tubular REB is propagated. The mechanism of LF ion oscillation excitation is investigated.
  • Measurement of dispersion of low-frequency ion oscillations in hybrid plasma waveguides 
    Antipov, V.S.; Antonov, A.N.; Balakirev, V.A.; Kovpik, O.F.; Kornilov, E.A.; Matyash, K.V.; Svichensky, V.G. (Вопросы атомной науки и техники, 2005)
    A new technique of determining dispersion characteristics of the ion oscillations, excited in the hybrid plasma waveguide is elaborated (this device is a slow-wave structure, the passage channel of which is filled with ...
  • Nonrelativistic plasma HF-electronics 
    Onishchenko, I.N. (Вопросы атомной науки и техники, 2005)
    The main physical principles for the elaboration of plasma and hybrid plasma-filled microwave devices based on the beam-plasma interaction are formulated. The theoretical and experimental results of the investigations of ...
  • On the possibility to create the plasma amplifier with direct radiation of electromagnetic waves 
    Anisimov, I.O.; Levitsky, S.M.; Myshko, S.M. (Вопросы атомной науки и техники, 2005)
    The possible scheme of plasma amplifier with direct radiation is proposed. Energy of amplified oscillations is coupled out due to transitional radiation on the plasma border retained by constant magnetic field. For this ...
  • Peculiarities of particles and field dynamics at critical intensity of electromagnetic waves (Part I) 
    Buts, V.A. (Вопросы атомной науки и техники, 2005)
    Some results of study of the charged particles that are moving in a field of intensive electromagnetic waves are represented. The integrals are investigated and some schemes of laser acceleration are considered. It was ...

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