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Han, J. H.

Paper Title Page
THPMN025 High QE Photocathodes Performance during Operation at FLASH/PITZ Photoinjectors 2763
 
  • L. Monaco, P. Michelato, C. Pagani, D. Sertore
    INFN/LASA, Segrate (MI)
  • J. W. Baehr, M. Krasilnikov, S. Lederer, F. Stephan
    DESY Zeuthen, Zeuthen
  • J. H. Han, S. Schreiber
    DESY, Hamburg
 
  Funding: Work supported by the European Community, contract number RII3-CT-2004-506008

The FLASH (DESY-Hamburg) and PITZ (DESY-Zeuthen) photoinjectors routinely use high quantum efficiency (QE) photocathodes produced at LASA (INFN-Milano), since 1998. To further understand the photocathode behavior during beam operation, photocathode QE measurements have been performed at different operating conditions in both RF photoinjectors. The analysis of these measurements will be used to improve the photocathode preparation procedures and to deeper understand the photocathode properties, whose final goal would be the further increase of their lifetime and beam quality preservation during the RF gun operations.