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Перегляд Вопросы атомной науки и техники за темою "Novel and non-standard acceleration technologies"

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники за темою "Novel and non-standard acceleration technologies"

Сортувати за: Порядок: Результатів:

  • About the acceleration rate of relativistic beams by a surface wave in a dielectric laser accelerator 
    Bolshov, O.O.; Vasiliev, A.V.; Povrozin, A.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)
    An analysis of the dependence of the acceleration rate of charged particles by a surface wave arising when a laser pulse/(plane wave) is incident on the interface between two dielectric media on the phase velocity of the ...
  • Accelerating of the electrons of electron bunches in a waveguide loaded dielectric structure 
    Linnik, A.F.; Onishchenko, I.N.; Omelayenko, O.L.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S. (Вопросы атомной науки и техники, 2021)
    The paper presents some results of experimental studies of the excitation of wake fields and the acceleration of electrons in waveguide-dielectric structures (DS) upon injection of a sequence of electron bunches into them. ...
  • Acceleration of electrons using inverse anomalous scattering 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2021)
    Acceleration of electrons in the field of two electromagnetic waves propagating in a slowing down medium in the direction of motion of electrons is considered under conditions when one of the waves propagates with a phase ...
  • Comparative analysis of acceleration gradients for chip structures with different refractive indices 
    Vasyliev, A.V.; Bolshov, O.O.; Svistunov, O.O.; Povrozin, A.I.; Zaitcev, V.P.; Leshchenko, V.P.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)
    The results of numerical studies of accelerating gradients in accelerators based on dielectric chip structures with different refractive indices, excited by a titanium-sapphire laser pulse, are presented. A comparative ...
  • Excitation of the wake waves by a laser pulse in ion dielectrics 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in ion dielectric waveguide is investigated. Nonlinear electric polarization in isotropic ion dielectric medium and, accordingly, polarization ...
  • Excitation of wake fields by a relativistic electron bunch in a polar semiconductor waveguide 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2022)
    The process of wake fields excitation by a relativistic electron bunch in polar semiconductors is studied. Cylindrical semiconductor waveguide, in which relativistic electron bunch moves along axis, is considered. It is ...
  • Gas temperature measurement in the active zone of streamer discharge under different applied voltages 
    Bolotov, O.V.; Golota, V.I.; Taran, G.V. (Вопросы атомной науки и техники, 2021)
    The experimental results on the gas temperature measurement in the active zone of streamer discharge in air at the atmospheric pressure are presented. The gas temperature value was obtained by the optical method for measuring ...
  • Homogeneous focusing field for short relativistic electron bunches in plasma 
    Maslov, V.I.; Levchuk, I.P.; Bondar, D.S.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    Plasma wake lens in which all short relativistic electron bunches of sequence are focused identically and uniformly is studied analytically and by numerical simulation. For two types of lenses necessary parameters of focused ...
  • Investigation of plasmochemical dissociation of hydrogen sulfide in intensive swirl flows 
    Znak, Z.O. (Вопросы атомной науки и техники, 2021)
    The process of plasmochemical decomposition H₂S in a rotating reactor is studied. The generation of ultrahigh- frequency radiation in pulsed mode was synchronized with the rotation of the rotor. The influence of the rotor ...
  • Magnetic field dynamics in plasma opening switch 
    Manuilenko, O.V.; Onishchenko, I.M.; Pashchenko, A.V.; Pashchenko, I.A.; Soshenko, V.A.; Svichensky, V.G.; Yuferov, V.B.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2021)
    Computer simulations for magnetic field penetration into plasma of plasma opening switch (POS), and current loop formation in it are presented for various initial plasma densities, currents, and POS geometries. It is shown ...
  • Maximum transformer ratio at wakefield excitation at blowout regime in plasma by electron bunch under semi-gaussian charge distribution 
    Bondar, D.S.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    Using 2d3v code LCODE, the numerical simulation of nonlinear wakefield excitation in plasma by shaped relativistic electron bunch with charge distribution, which increases according to Gaussian charge distribution up to ...
  • Millimeter-wavelength relativistic magnetron: problems of microwave power extraction 
    Gadetski, N.P.; Korenev, V.G.; Lebedenko, A.N.; Magda, I.I.; Melezhik, O.G.; Sinitsin, V.G.; Shtanko, A.A.; Volovenko, N.V. (Вопросы атомной науки и техники, 2021)
    The relativistic magnetrons operating at millimeter wavelengths demonstrate problems with microwave power extraction, both in the radial and in axial direction. The preferred axial extraction concept can be implemented ...
  • Plateau formation on accelerating wakefield for electron-witness-bunch and on decelerating wakefield for driver-bunches in a plasma 
    Maslov, V.I.; Ovsiannikov, R.T.; Bondar, D.S.; Levchuk, I.P.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)
    Plasma wakefield acceleration promises compact sources of high-brightness relativistic electron and positron beams. Applications (particle colliders and free-electron lasers) of plasma wakefield accelerators demand low ...
  • Quartz accelerator of charged particles 
    Ivashchuk, O.O.; Shchagin, A.V.; Kubankin, A.S.; Nikulin, I.S.; Miroshnik, V.S.; Volkov, V.I.; Ionidi, V.Y.; Chepurnov, A.S.; Oleinik, A.N.; Lepeshko, D.A.; Zhukova, M.A. (Вопросы атомной науки и техники, 2020)
    Results of first experiments with piezoelectric accelerator built on quartz crystals as piezoelectric elements are presented. Accelerating voltage in such quartz accelerator is produced at compression in vacuum of quartz ...
  • Radiation loss determination at collision of electrons with electronegative atoms and ions in plasma current switch discharges. Part II 
    Skibenko, E.I.; Yuferov, V.B.; Ozerov, A.N.; Buravilov, I.V. (Вопросы атомной науки и техники, 2021)
    Specific radiation-loss power values have been determined for a variety of electronegative elements (C, O, F, Cl) as functions of electron temperature and impurity particle concentration. The maximum radiation-loss power ...
  • The influence of cathode material on the characteristics of pulsed negative corona in oxygen 
    Golota, V.I.; Kadolin, B.B.; Taran, G.V.; Pashchenko, I.A. (Вопросы атомной науки и техники, 2021)
    Change in time for the shape of the discharge current pulses of the pulsed negative corona in oxygen with copper and stainless steel cathodes has been studied for two discharge modes. The change lies in the decrease of the ...
  • Thermalization and ionization of metal atoms of operating environment at a metal ion-sputtering source 
    Baturin, V.A.; Litvinov, P.A.; Pustovoitov, S.A.; Roenko, O.Yu. (Вопросы атомной науки и техники, 2021)
    Fast atoms sputtered on a hot metal surface were suggested for thermalization at a metal ion-sputtering source and for further desorption into a discharge with temperature, which is equal to the temperature of the surface. ...
  • Transition radiation of a relativistic electron bunch on a semi-infinite metal cylinder 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)
    Transition radiation of a relativistic electron bunch, which arises when it collides with the end face of a semi-infinite ideally conducting cylinder, is considered. An electron bunch moves along the axis of a semi-infinite ...
  • Video pulse conversion into a radio frequency pulsed waveform of complex composition 
    Karelin, S.Y.; Krasovitsky, V.B.; Lebedenko, A.N.; Magda, I.I.; Mukhin, V.S.; Sinitsin, V.G.; Volovenko, N.V. (Вопросы атомной науки и техники, 2022)
    The paper is a feasibility study for a nonlinear wave guiding structure, based on a coaxial line with a magnetized ferrite core inside, to form broadband pulsed signals with a controllable radio-frequency spectrum. A set ...

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