Author: Teichert, J.
Paper Title Page
Metal and Semiconductor Photocathodes in the HZDR SRF Gun  
  • J. Teichert, A. Arnold, P.N. Lu, P. Murcek, H. Vennekate, R. Xiang
    HZDR, Dresden, Germany
  The superconducting RF photoelectron gun at the ELBE accelerator facility is a high-repetition rate electron injector for CW operation and can provide high average current and high brightness electron beams. During commissioning and operating time different types of photocathodes, metallic (Cu, Mg) and semiconductors (Cs2Te), have been used. We present the preparation processes, properties as well as performance and operational experience of the cathodes in the SRF gun. Furthermore, specific issues like cathode cooling, multipacting, and dark current will be discussed.  
slides icon Slides WEIDCC003 [22.113 MB]  
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