Перегляд за автором "Povrozin, A.I."

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 ...
  • Acceleration of electron bunches using periodic dielectric structures with and without coating 
    Vasyliev, A.V.; Bolshov, O.O.; Galaydych, K.V.; Povrozin, A.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)
    The numerical studies of high acceleration gradients obtaining for the dielectric laser accelerators (DLA) based on-chip structures with one-sided laser excitation at a wavelength of 800 nm are presented. The electron ...
  • Application of femtosecond Ti-Sa lasers for measuring of amplitude-frequency characteristics of wide-band photodevices 
    Vasilyev, A.V.; Zajtsev, V.P.; Leshchenko, V.P.; Povrozin, A.I. (Вопросы атомной науки и техники, 2013)
    A possibility of an application of the femtosecond Ti-Sa lasers for a measuring of the amplitude-frequency characteristics (AFC) of the wide-band photodevices is considered. The results of the measuring of the AFC in a ...
  • Calculation of stretching factor for optical pulse stretcher 
    Leshchenko, V.P.; Povrozin, A.I.; Karelin, S.Y. (Вопросы атомной науки и техники, 2014)
    A task of temporal stretching of pulses in an optical pulse stretcher of CPA-laser systems is considered. The output pulse profiles are obtained and the stretching factors are calculated on the foundation of the solution ...
  • Calculation of stretching factor for optical pulse stretcher 
    Leshchenko, V.P.; Povrozin, A.I.; Karelin, S.Y. (Вопросы атомной науки и техники, 2015)
    A task of temporal stretching of pulses in an optical pulse stretcher of CPA-laser systems is considered. The output pulse profiles are obtained and the stretching factors are calculated on the foundation of the solution ...
  • 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 ...
  • Cumulation and acceleration of ions by TW femtosecond laser pulse 
    Balakirev, V.A.; Dovbnya, A.N.; Yegorov, A.M.; Krasnogolovets, M.A.; Onishchenko, I.N.; Onishchenko, N.I.; Povrozin, A.I.; Pristupa, V.I. (Вопросы атомной науки и техники, 2004)
    A new method of ion cumulation and acceleration at three-dimensional compression of plasma in the ”light trap” created in the focal region of the high-power femtosecond laser is theoretically studied. The ”light trap” ...
  • General solution of the excitation problem of a symmetric flat dielectric structure by plane electromagnetic waves 
    Vasiliev, A.V.; Povrozin, A.I.; Sotnikov, G.V. (Problems of Atomic Science and Technology, 2023)
    General solution of the excitation problem of a symmetric flat dielectric structure by two laser pulses is obtained. The symmetrical geometry consists of two dielectric prisms separated by a vacuum channel for electron ...
  • Propagation of optical femtosecond pulses through quartz and glass ВК-7 
    Leshchenko, V.P.; Povrozin, A.I.; Sotnikov, G.V.; Vasiliev, A.V.; Galaydych, K.V.; Karelin, S.Yu. (Вопросы атомной науки и техники, 2019)
    In the approximation of dispersion theory to the fourth order inclusive, a theoretical study of the propagation of optical femtosecond pulses of a Gaussian profile and a profile proportional to the hyperbolic secant through ...
  • Radial acceleration and cumulation of ions by an intense converging ring laser pulse 
    Balakirev, V.A.; Onishchenko, I.N.; Povrozin, A.I.; Tolstoluzhsky, A.P.; Yegorov, A.M. (Вопросы атомной науки и техники, 2008)
    Cumulation dynamics and acceleration of deuterium plasma ions by a focused ring laser pulse of the femtosecond duration are theoretically investigated. Laser pulse is focused by a dielectric lens. The spatial structure ...
  • Simultaneous compensation of second and third order dispersion in CPA laser systems 
    Leshchenko, V.P.; Vasyliev, A.V.; Galaydych, K.V.; Povrozin, A.I.; Sotnikov, G.V. (Problems of Atomic Science and Technology, 2023)
    This paper presents a theoretical study aimed at solving the problem of compensation for second and third order dispersion in CPA laser systems. We study the propagation of light pulses generated by a Ti-Sapphire master ...
  • Works in the NSC KIPT on the creation and application of the CPA laser system 
    Vasiliev, A.V.; Dovbnya, A.N.; Yegorov, A.M.; Zaitsev, V.P.; Leshchenko, V.P.; Onischenko, I.N.; Povrozin, A.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2018)
    A CPA laser system with an output power of 10¹⁰ W is presented, which at the final stage will be brought to a power close to 10 TW. The areas of its application are described, the results of the supercontinuum investigation ...