Персона: Шиканов, Александр Евгеньевич
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Институт лазерных и плазменных технологий
Стратегическая цель Института ЛаПлаз – стать ведущей научной школой и ядром развития инноваций по лазерным, плазменным, радиационным и ускорительным технологиям, с уникальными образовательными программами, востребованными на российском и мировом рынке образовательных услуг.
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Шиканов
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Александр Евгеньевич
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- ПубликацияТолько метаданныеCollective Acceleration of Ions in a Pulsed Magnetic Field of a Conical Spiral(2019) Vovchenko, E. D.; Kozlovskij, K. I.; Shikanov, A. E.; Karimov, A. R.; Isaev, A. A.; Plekhanov, A. A.; Deryabochkin, O. V.; Вовченко, Евгений Дмитриевич; Козловский, Константин Иванович; Шиканов, Александр Евгеньевич; Каримов, Александр Рашатович; Плеханов, Андрей Александрович; Дерябочкин, Олег Владимирович© 2019, Pleiades Publishing, Ltd.The collective acceleration of laser plasma ions in a magnetic field generated by a powerful fast-growing current pulse in a low-inductive conical spiral is studied. The velocity of ions for a number of elements which significantly differ in atomic weight are obtained on the basis of collector measurements. The maximum velocity of both light (lithium) and heavy (lead) ions exceed the value of 108 cm/s; for ions of lead, the corresponding energy amounts to a value of ∼1 MeV. A mathematical model of ion acceleration is proposed and simulation results are compared with the experiment.
- ПубликацияТолько метаданныеEnergy Efficiency Enhancement of Ionic Diode for Neutron Generation with Electronic Conduction Suppression by the Field of a Permanent Magnet(2019) Vovchenko, E. D.; Kozlovskii, K. I.; Lisovskii, M. I.; Rashchikov, V. I.; Shikanov, A. E.; Shatokhin, V. L.; Вовченко, Евгений Дмитриевич; Козловский, Константин Иванович; Ращиков, Владимир Иванович; Шиканов, Александр Евгеньевич; Шатохин, Вадим Леонидович© 2019, Springer Science+Business Media, LLC, part of Springer Nature.In order to use neutron generators in applied research, it is important to increase the energy efficiency of neutron generation. For high accelerating voltages, diodes with magnetic insulation are used to suppress electron emission from the cathode in neutron accelerator tubes. A mathematical model describing the dynamics of charged particles in the axial diode with insulation of electrons by the field of a permanent magnet is studied. The model is used to perform a computer experiment that shows a reduction of insulation near the ends of the magnet, which permits up to 40% of the electrons from the cathode to reach the anode of the accelerator tube. An option for making the magnetic insulation more efficient by adding into the magnetic system diaphragms placed in the end zones of a cylindrical cathode is proposed and studied.
- ПубликацияТолько метаданныеModel of Laser Plasma Acceleration in the Fields of a Spiral Electrodynamic Line(2019) Shikanov, A. E.; Vovchenko, E. D.; Kozlovskij, K. I.; Shatokhin, V. L.; Шиканов, Александр Евгеньевич; Вовченко, Евгений Дмитриевич; Козловский, Константин Иванович; Шатохин, Вадим ЛеонидовичThe acceleration of a plasmoid, for the formation of which a conical spiral expanding in the direction of the expected plasma acceleration is used, in a rapidly increasing magnetic field of complex geometry has been considered. An algorithm for calculating the longitudinal magnetic field in the approximation of replacing a spiral line with a system of rings of variable radius has been presented. A mathematical model that is based on the interaction of the plasmoid magnetic moment with gradient of the longitudinal magnetic field decay has been proposed to analyze the efficiency of the acceleration. The possibility of deuterons reaching an average speed exceeding 10(6) m/s has been shown.