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Aryshev, A.

Paper Title Page
MOPLS080 A Laser-wire System at the ATF Extraction Line 738
 
  • S.T. Boogert, G.A. Blair, G.E. Boorman, A. Bosco, L. Deacon, C. Driouichi
    Royal Holloway, University of London, Surrey
  • A. Aryshev, H. Hayano, V. Karataev, K. Kubo, N. Terunuma, J. Urakawa
    KEK, Ibaraki
  • A. Brachmann, J.C. Frisch, M.C. Ross
    SLAC, Menlo Park, California
  • N. Delerue
    JAI, Oxford
  • S. Dixit, F.B. Foster, G.F. Gannaway, D.F. Howell, Q.M. Qureshi, A. Reichold, R. Senanayake
    OXFORDphysics, Oxford, Oxon
  • L.J. Jenner
    Cockcroft Institute, Warrington, Cheshire
  • T. Kamps
    BESSY GmbH, Berlin
 
  A new laser-wire system has been installed at the ATF extraction line at KEK, Tsukuba. The system aims at a micron-scale laser spot size and employs a mode-locked laser system. The purpose-built interaction chamber, light delivery optics, and lens systems are described, and the first results are presented.  
THPCH067 Coherent Synchrotron Radiation Studies at the Accelerator Test Facility 2940
 
  • S. De Santis, J.M. Byrd
    LBNL, Berkeley, California
  • A. Aryshev, T. Naito, J. Urakawa
    KEK, Ibaraki
  • M.C. Ross
    SLAC, Menlo Park, California
 
  Coherent Synchrotron Radiation (CSR) has been the object of recent experiments and is a topic of great importance for several accelerator currently in their design phase (LCLS, ILC, CIRCE). We present the results of several experimental sessions performed at the Advanced Test Facility - KEK (ATF). An infrared bolometer was used to detect the emitted infrared radiation in the 1-0.05 mm wavelength range as a function of several beam parameters (beam current, RF power, extraction timing, photoinjector laser phase). The beam energy spread was also recorded. We found that the mismatch between injected and equilibrium beam is the source of the coherent signal detected concurrently with the bunch injection.