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Takano, M.

Paper Title Page
WEPLS060 CLIC Polarized Positron Source Based on Laser Compton Scattering 2520
 
  • F. Zimmermann, H.-H. Braun, M. Korostelev, L. Rinolfi, D. Schulte
    CERN, Geneva
  • S. Araki, Y. Higashi, Y. Honda, Y. Kurihara, M. Kuriki, T. Okugi, T. Omori, T. Taniguchi, N. Terunuma, J. Urakawa
    KEK, Ibaraki
  • X. Artru, R. Chehab, M. Chevallier
    IN2P3 IPNL, Villeurbanne
  • E.V. Bulyak, P. Gladkikh
    NSC/KIPT, Kharkov
  • M.K. Fukuda, K. Hirano, M. Takano
    NIRS, Chiba-shi
  • J. Gao
    IHEP Beijing, Beijing
  • S. Guiducci, P. Raimondi
    INFN/LNF, Frascati (Roma)
  • T. Hirose, K. Sakaue, M. Washio
    RISE, Tokyo
  • K. Moenig
    DESY Zeuthen, Zeuthen
  • H.D. Sato
    HU/AdSM, Higashi-Hiroshima
  • V. Soskov
    LPI, Moscow
  • V.M. Strakhovenko
    BINP SB RAS, Novosibirsk
  • T. Takahashi
    Hiroshima University, Higashi-Hiroshima
  • A. Tsunemi
    SHI, Tokyo
  • V. Variola, Z.F. Zomer
    LAL, Orsay
 
  We describe the possible layout and parameters of a polarized positron source for CLIC, where the positrons are produced from polarized gamma rays created by Compton scattering of a 1.3-GeV electron beam off a YAG laser. This scheme is very energy effective using high finesse laser cavities in conjunction with an electron storage ring. We point out the differences with respect to a similar system proposed for the ILC.  
THPCH154 Development of Pulsed Laser Super-cavity for Compact High Flux X-ray Sources 3155
 
  • K. Sakaue, M. Washio
    RISE, Tokyo
  • S. Araki, Y. Higashi, Y. Honda, T. Taniguchi, J. Urakawa
    KEK, Ibaraki
  • M.K. Fukuda, M. Takano
    NIRS, Chiba-shi
  • H. Sakai
    ISSP/SRL, Chiba
  • N. Sasao
    Kyoto University, Kyoto
 
  Pulsed-laser super-cavity is being developed at KEK-ATF for the application of a compact high brightness x-ray source based on Laser Compton Scattering. We use a Fabry-Perot optical cavity with a pulsed laser. The cavity increases a laser effective power, and at the same time, stably makes a small laser spot in side the cavity. In addition, the pulsed-laser gives much higher peak power. Thus, this scheme will open up a new possibility for building a compact high-brightness x-ray source, when collided with an intense bunched electron beam. We are now planning to build such an x-ray source with a 50MeV multi-bunch linac and a 42cm Fabry-Perot cavity using pulse stacking technology. We actually finished construction of the 50MeV linac and will start its operation in the spring, 2006. Development of the pulsed-laser super-cavity and future plan of our compact x-ray source will be presented at the conference.