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Yabashi, M.

    
Paper Title Page
FRAAU01 Photon Optics at SCSS 785
 
  • M. Yabashi, T. Ishikawa
    RIKEN Spring-8 Harima, Hyogo
  • S. Goto, T. Hirono, H. Kimura, H. Ohashi, S. Takahashi, K. Tamasaku
    JASRI/SPring-8, Hyogo-ken
 
  Developments of x-ray optics for the SCSS project are summarized. The optics has two important roles: beam handling (conditioning) and diagnostics. For the former issue, our R&D program for improving qualities of optical components (diamond monochromator, total-reflection mirror, beryllium windows, etc.) are presented. For the latter, a new spectrometer will be introduced*.

* M. Yabashi et al., PRL (in press)

 
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THCAU02 Low Emittance Injector at SCSS 769
 
  • T. Shintake, T. Hara, A. Higashiya, T. Inagaki, H. Maesaka, Y. Otake, K. Shirasawa, T. Tanaka, K. Togawa, M. Yabashi
    RIKEN Spring-8 Harima, Hyogo
  • H. Baba, K. Onoe, H. Tanaka
    JASRI/SPring-8, Hyogo-ken
  • H. Matsumoto
    KEK, Ibaraki
  • T. Tanikawa
    University of Hyogo, Hyogo
 
  In order to realize X-ray FEL at 1 A wavelength, it is required to generate low emittance beam with high peak power. Typically 1 π-mm-mrad, and 2~4 kA beam has to obtained at undulator line. In SCSS: SPring-8 Compact SASE Source, we decided to use thermionic cathode and velocity bunching process rather than the rf-gun with photo-cathode. To verify our principle and hardwares, we constructed a test accelerator, 250 MeV, 60 nm FEL. The author reports experimental results of the test accelerator.  
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