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Langner, J.

Paper Title Page
TUP049 Metal-Based Photocathodes For High-Brightness RF Photoinjectors 358
 
  • L. Cultrera, G. Gatti, F. Tazzioli
    INFN/LNF, Frascati (Roma)
  • A. Fiori, S. Orlanducci
    Università di Roma II Tor Vergata, Roma
  • J. Langner, P. Strzyzewski
    The Andrzej Soltan Institute for Nuclear Studies, Centre Swierk, Swierk/Otwock
  • A. Perrone
    INFN-Lecce, Lecce
  • C. Ristoscu
    INFLPR, Bucharest - Magurele
  
  Advanced high brightness RF gun injectors require photocathodes with fast response, high quantum efficiency and good surface uniformity. Metal films deposited by various techniques on the gun back wall could satisfy these requirements. Two new deposition techniques have been recently proposed, i.e. pulsed laser ablation and vacuum arc. Several samples of various materials have been deposited by the two techniques: The emission performance and morphological changes induced on the cathode surface by laser beam are compared and discussed.