Перегляд за темою "Plasma electronics"

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2D electrostatic simulation of the modulated electron beam interaction with inhomogeneous plasma

Anisimov, I.O.; Litoshenko, T.Eu. (Вопросы атомной науки и техники, 2006)

Electrostatic plasma simulation code for 2D rectangular geometry is presented. Main distinguishing feature of the code is its orientation on the beam-plasma interaction. The code and its graphical interface were developed ...
Aberrations in electromagnetic plasma lenses proposed for intense large-aperture ion beam focusing

Butenko, V.I.; Ivanov, B.I. (Вопросы атомной науки и техники, 2003)

It is shown, that in electromagnetic plasma lenses moment aberrations obey the conservation law of the moment of the ion generalized momentum; they disappear when an ion source is placed in a zero magnetic field. Geometrical ...
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 for longitudinally inhomogeneous systems

Litovko, I.; Goncharov, A. (Вопросы атомной науки и техники, 2002)
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 ...
Block of an electron gun combined with a getter - ion pump designed for high - power beam - plasma microwave devices

Antonov, A.N.; Yegorov, A.M.; Kovpik, O.F.; Kornilov, E.A.; Svichensky, V.G. (Вопросы атомной науки и техники, 2008)

The paper presents the design description and the results of tests of the block combining an electron gun and a getter - ion pump, providing plasma - forming gas evacuation from the slow - wave structures. The block is ...
Breakdown and discharge in low pressure gas created by a microwave radiation undergoing stochastic phase jumps (II)

Karas`, V.I.; Alisov, A.F.; Artamoshkin, A.M.; Bingham, R.; Gavrilenko, I.V.; Zagorodny, A.G.; Zagrebel`ny, I.A.; Lontano, M.; Mirny, V.I.; Potapenko, I.F.; Us, V.S. (Вопросы атомной науки и техники, 2006)

The objective of the paper is to discuss the results of theoretical and experimental studies and numerical simulations of following phenomena: the anomalous character of the breakdown conditions, the anomalous behavior ...
Charged particles accumulation in drift space of warm electron beam during non-stationary virtual cathod existence

Bizyukov, A.A.; Volkov, E.D.; Tarasov, I.K. (Вопросы атомной науки и техники, 2002)

In this paper, the properties and the formation of collective electromagnetic trap for electron beam that propagates in a conducting cylinder are described. It is shown that the electron beam provides the development of ...
Cherenkov radiation of the electron bunch in dielectric media with frequency dispersion

Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)

Excitation of the Cherenkov electromagnetic radiation by a relativistic electron bunch in a dielectric waveguide is considered taking into account the frequency dispersion of the dielectric permittivity. Electric polarization ...
Comparative analysis of excitation of LSM and lSE waves by a bunch train in dielectric loaded rectangular resonator

Marshal, T.C.; Onishchenko, I.N.; Sotnikov, G.V (Вопросы атомной науки и техники, 2006)

The results of a three-dimensional analysis of wake field excitation in a slab-symmetric dielectric-loaded resonator by rigid electron bunches are presented. The complete set of solutions, including the solenoidal and ...
Comparison of plasma and vacuum corpuscular lenses by parameters determining their focusing strength

Ivanov, B.I. (Вопросы атомной науки и техники, 2002)

For three types of electrostatic lenses the focusing length is proportional, accordingly, to the second-, or first-, or half-power of the parameter representing the relation of a charged particle accelerating potential to ...
Deformation of the plasma concentration profile due to the modulated electron beam

Anisimov, I.O.; Borisov, O.A.; Kelnyk, O.I.; Soroka, S.V. (Вопросы атомной науки и техники, 2002)

Report is devoted to the numerical simulation of the electron beam with the longitudinal modulation moving along the concentration gradient of the planarly stratified plasma with the initially linear profile (one-dimensional ...
Dispersion properties of the dielectric wavеguide for acceleration electrons by the wakefield of laser pulse

Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)

Dispersion properties of several dielectric waveguides are considered to provide for wakefield acceleration not only superluminal group velocity of exciting laser pulse but also high relativistic Lorentz factor of laser ...
Dynamics of the charged particles in a field of intensive electromagnetic waves

Buts, V.A.; Kuzmin, V.V. (Вопросы атомной науки и техники, 2007)

The results of the investigations of the charged particles dynamics in field of intense electromagnetic waves and electromagnetic impulse are represented. It was shown, that the traditional scheme of the acceleration, such ...
Dynamics of the modulated electron beam in the inhomogeneous plasma barrier: kinetic effects

Anisimov, I.O.; Soloviova, M.J. (Вопросы атомной науки и техники, 2008)

Evolution of the modulated electron beam moving through the inhomogeneous plasma barrier with parameters corresponding to experimental conditions [1-2] is studied via computer simulation using PIC method. Electrons’ energy ...
Dynamics of three wave stochastic decays in nonlinear matter

Buts, V.A.; Kovalchuk, I.K. (Вопросы атомной науки и техники, 2016)

In the present work the transition of decay instability into stochastic regime in a nonlinear media is analyzed for a magnetoactive plasma and for the ferrite magnetized to the saturation level. It was shown that parameter ...
Elaboration of plasma-dielectric wakefield accelerator

Onishchenko, I.N.; Berezina, G.P.; Galaydych, K.V.; Kniazev, R.R.; Linnik, A.F.; Markov, P.I.; Omelaenko, O.L.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S. (Вопросы атомной науки и техники, 2016)

Theoretical and experimental investigations of the physical principles of wakefield accelerator based on the excitation of accelerating wakefield in the plasma-dielectric structure by a long sequence of relativistic ...
Electric barrier formation in kind of connected dip and hump of electric potential near ECR point

Barchuk, S.V.; Lapshin, V.I.; Maslov, V.I.; Onishchenko, I.N.; Tretyakov, V.N. (Вопросы атомной науки и техники, 2002)

The self-consistent formation, observed in experiments, of the solitary barrier for plasma electrons and ions has been analytically described.
Electron heating and acceleration while magnetosphere substorm due to varying whistler wave phase velocity

Karas, V.I.; Potapenko, I.F. (Вопросы атомной науки и техники, 2007)

Some properties of chorus radiation while magnetosphere substorm are discussed. The influence of the hydro magnetic waves on the electron distribution function is studied by numerical simulations. A quasi-linear 2D in ...

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