Author: Rashchikov, V.I.
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TUPOW023 New 10 MeV High-power Electron Linac for Industrial Application 1794
  • S.M. Polozov, D.S. Bazyl, T.V. Bondarenko, M. Gusarova, Yu.D. Kliuchevskaia, M.V. Lalayan, V.I. Rashchikov, E.A. Savin
    MEPhI, Moscow, Russia
  • M.I. Demsky, A.A. Eliseev, V.V. Krotov, D.E. Trifonov
    CORAD Ltd., St. Petersburg, Russia
  • B.S. Han, W.G. Kang, H.G. Park
    EB TECH Co. Ltd., Daejeon, Republic of Korea
  Joint team of CORAD and MEPhI developed a new industrial accelerating structure for average beam power up to 20 kW and energy range from 7.5 to 10 MeV. The use of modern methods and codes for beam dynamics simulation, raised coupling coefficient and group velocity of SW biperiodic accelerating structure allowed to reach high pulse power utilization and obtain high efficiency. Gentle buncher provides high capturing coefficient and narrow energy spectrum. The first linear accelerator with this structure was constructed and tested in collaboration with the company EB Tech.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPOW023  
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WEPMB049 Transverse Defocusing Study in LPWA Channel for Linear and Bubble Modes 2224
  • S.M. Polozov, V.I. Rashchikov, Ya.V. Shashkov
    MEPhI, Moscow, Russia
  Laser plasma wakefield acceleration (LPWA) is one of most popular novel trends of acceleration. The LPWA has two serous disadvantages as very high energy spread and low part of electrons capturing into acceleration. The waveguide and klystron type beam pre-modulation schemes was proposed *, ** to growth capturing and to limit the energy spectrum of 2-3 % for 200-300 MeV beam. One interesting effect was detected due to numerical simulation of beam dynamics in plasma channel. Not captured electrons are escape to the channel border fast and this effect should be explained. It was shown that such effect is caused by effective potential function which forms very high defocusing transverse field after its trailing edge. The results of such explanation verified by numerical simulations are discussed in report for linear and bubble LPWA modes.
* S.M. Polozov. NIM A, 729, p.517-521, 2013
** S.M. Polozov. Problems of Atomic Science and Technology. Series: Nuclear Physics Investigations, 6 (88), p. 29- 34, 2013
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMB049  
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