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Rudolph, J.

Paper Title Page
TUPC045 Setup and Commissioning of the Diagnostics Beamline for the SRF Photoinjector Project at Rossendorf 1158
 
  • T. Kamps, D. Böhlick, M. Dirsat, T. Quast, J. Rudolph, M. Schenk
    BESSY GmbH, Berlin
  • A. Arnold, F. Staufenbiel, J. Teichert
    FZD, Dresden
  • G. Klemz, I. Will
    MBI, Berlin
  • D. Lipka
    DESY, Hamburg
 
  A superconducting radio frequency photo electron injector (SRF injector) has been developed by a collaboration of BESSY, DESY, FZD and MBI and is in operation since late 2007. After the initial commissioning in late 2007 with a Copper photocathode a Caesium-Telluride cathode was installed early 2008 to allow for high charge production. The longitudinal and transverse electron beam parameters are measured in a compact diagnostics beamline. This paper describes results from beam commissioning of the main diagnostic tools. Special emphasis is given on the bunch length measurement system for the 15 ps FWHM electron bunches. The system is based on the conversion of the electron pulses into radiation pulses by Cherenkov radiation. These radiation pulses are transported in a novel fully-reflective, relay imaging optical beamline to a streak camera, where the temporal properties of the pulses are measured. Results from beam measurements at 2pC (Copper cathode) and 1nC (Cesium-Telluride cathode) bunch charge are presented and discussed.