Author: Kuriki, M.
Paper Title Page
TUIBLH1021
 Development of a 500 kV DC Gun with Narrow Gap  
 
  • M. Yamamoto, Y. Honda, X.J. Jin, M. Kobayashi, T. Miyajima, T. Uchiyama
    KEK, Ibaraki, Japan
  • R. Hajima, R. Nagai, N. Nishimori
    JAEA, Ibaraki-ken, Japan
  • M. Kuriki
    Hiroshima University, Graduate School of Science, Higashi-Hiroshima, Japan
  • H. Kurisu
    Yamaguchi University, Ube-Shi, Japan
  
  The second 500 kV DC gun with 70 mm anode-cathode gap has been constructed at KEK. In 2014, a high voltage conditioning up to 550 kV was carried out and a 500 kV test has been done more than 50 hours intermittently without any trips. The vacuum of the gun is achieved 6x10-10 Pa during a 500 kV test by pumping NEGs and a bakable cryopump. A beam test has been started from the end of March 2015.  
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TUIBLH1020
 Operational Experience of DC Photoemission Gun at the Compact ERL  
 
  • N. Nishimori
    JAEA/FEL, Ibaraki-ken, Japan
  • R. Hajima, R. Nagai
    JAEA, Ibaraki-ken, Japan
  • Y. Honda, X.J. Jin, T. Miyajima, T. Obina, T. Uchiyama, M. Yamamoto
    KEK, Ibaraki, Japan
  • M. Kuriki
    HU/AdSM, Higashi-Hiroshima, Japan
  
  Beam commissioning of the compact ERL (cERL) has been performed since Apr. 2013 for the next generation ERL light source project (PEARL), and x-ray generation via laser Compton scattering was demonstrated recently. We will present two years operational experience and future upgrade plan of the DC photoemission gun at the cERL.  
slides icon Slides TUIBLH1020 [10.603 MB]  
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