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Han, J. H.

Paper Title Page
FRAAU05 Cathode Issues at the FLASH Photoinjector 552
 
  • S. Schreiber, S. Lederer
    DESY, Hamburg
  • J. H. Han
    Diamond, Oxfordshire
  • P. M. Michelato, L. Monaco, D. Sertore
    INFN/LASA, Segrate (MI)
  
  At the free-electron laser user facility FLASH at DESY cesium telluride photocathodes are in use in the laser driven rf gun based injector. We report on issues concerning quantum efficiency, lifetime, and darkcurrent emission observed recently.