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Swinson, C.

Paper Title Page
MOPE074 Development of a Fast, Single-pass, Micron-resolution Beam Position Monitor Signal Processor: Beam Test Results from ATF2 1152
 
  • P. Burrows, R. Apsimon, D.R. Bett, G.B. Christian, B. Constance, H. Dabiri Khah, C. Perry, J. Resta-López, C. Swinson
    JAI, Oxford
  
 

We present the design of a stripline beam position monitor (BPM) signal processor with low latency (c. 10ns) and micron-level spatial resolution in single-pass mode. Such a BPM processor has applications in single-pass beamlines such as those at linear colliders and FELs. The processor was deployed and tested at the Accelerator Test Facility (ATF2) extraction line at KEK, Japan. We report the beam test results and processor performance, including response, linearity, spatial resolution and latency.

  
WEPEB044 Latest Beam Test Results from ATF2 with the Font ILC Prototype Intra-train Beam Feedback Systems 2788
 
  • P. Burrows, R. Apsimon, D.R. Bett, G.B. Christian, B. Constance, H. Dabiri Khah, C. Perry, J. Resta-López, C. Swinson
    JAI, Oxford
  
 

We present the design and beam test results of a prototype beam-based digital feedback system for the Interaction Point of the International Linear Collider. A custom analogue front-end signal processor, FPGA-based digital signal processing boards, and kicker drive amplifier have been designed, built, deployed and tested with beam in the extraction line of the KEK Accelerator Test Facility (ATF2). The system was used to provide orbit correction to the train of bunches extracted from the ATF damping ring. The latency was measured to be approximately 140 ns.

  
MOPE070 Cavity Beam Position Monitor System for ATF2 1140
 
  • S.T. Boogert, G.E. Boorman, C. Swinson
    JAI, Oxford
  • R. Ainsworth, S. Molloy
    Royal Holloway, University of London, Surrey
  • A.S. Aryshev, Y. Honda, T. Tauchi, N. Terunuma, J. Urakawa
    KEK, Ibaraki
  • J.C. Frisch, J. May, D.J. McCormick, J. Nelson, T.J. Smith, G.R. White, M. Woodley
    SLAC, Menlo Park, California
  • A. Heo, E.-S. Kim, H.-S. Kim, Y.I. Kim
    Kyungpook National University, Daegu
  • A. Lyapin
    UCL, London
  • H.K. Park
    KNU, Deagu
  • M.C. Ross
    Fermilab, Batavia
  • S. Shin
    PLS, Pohang
  
 

The Accelerator Test Facility 2 (ATF2) in KEK, Japan, is a prototype scaled demonstrator system for the final focus required for a lepton linear collider. The ATF2 beam-line is instrumented with a total of 38 C and S band resonant cavity beam position monitors (BPM) with associated mixer electronics and digitizers. The current status of the BPM system is described, with a focus on operational techniques and performance.