Author: Sekutowicz, J.K.
Paper Title Page
WG1003
 First Results of the SRF Gun Development for the BERLinPro ERL Project at HZB  
 
  • T. Quast, W. Anders, R. Barday, A. Jankowiak, T. Kamps, J. Knobloch, O. Kugeler, A.N. Matveenko, A. Neumann, S.G. Schubert, J. Völker
    HZB, Berlin, Germany
  • P. Kneisel
    JLAB, Newport News, Virginia, USA
  • R. Nietubyć
    NCBJ, Świerk/Otwock, Poland
  • J.K. Sekutowicz
    DESY, Hamburg, Germany
  • J. Smedley
    BNL, Upton, Long Island, New York, USA
  • I. Will
    MBI, Berlin, Germany
  
  Funding: Work supported by Bundesministerium für Bildung und Forschung und Land Berlin. The work on the Pb cathode film is supported by EuCARD Grant Agreement No. 227579.
For the energy recovery linac (BERLinPro) at the Helmholtz-Zentrum-Berlin (HZB) a high brightness, high average current electron source is to be developed. As a first step an all superconducting radio-frequency (SRF) photoinjector is now in operation. The aim is to demonstrate electron beam produced from a Nb 1.6 cell superconducting gun with a Pb cathode coated on the cavity back wall. The setup of the source and first results from beam measurements are presented. An outlook on the final SRF photoinjector and its drive laser will be given. 		 
slides icon Slides WG1003 [2.844 MB]  
 
WG3036 Improved Heat Conduction Feedthroughs for HOM Couplers at DESY 102
 
  • J.K. Sekutowicz
    DESY, Hamburg, Germany
  
  Vertical acceptance test of 808 cavities of the XFEL superconducting linac will be conducted for cavities equipped with HOM antennae, mainly to reduce the production and preparation cost. This new procedure is different from that we applied to all superconducting cavities tested in last two decades at DESY. In addition, cw and long pulse operations can be envisioned as complementary modes to the nominal short pulse operation of the XFEL facility. The new vertical test conditions and the new possible operation modes will require better cooling of the HOM couplers. In this contribution we discuss new heating conditions of the HOM antennae and present new feedthrough we ordered for the XFEL cavities.  
slides icon Slides WG3036 [1.677 MB]