Author: Koehler, W.     [Köhler, W.]
Paper Title Page
THPA10 RF Photo Gun Stability Measurement at PITZ 485
 
  • I.I. Isaev, G. Asova, H.-J. Grabosch, M. Groß, L. Hakobyan, Ye. Ivanisenko, G. Klemz, W. Köhler, M. Krasilnikov, M. Mahgoub, D. Malyutin, A. Oppelt, M. Otevřel, B. Petrosyan, S. Rimjaem, F. Stephan, G. Vashchenko, S. Weidinger, R.W. Wenndorff
    DESY Zeuthen, Zeuthen, Germany
  • M. Hoffmann, H. Schlarb
    DESY, Hamburg, Germany
  • M.A. Khojoyan
    ANSL, Yerevan, Armenia
  • D. Richter
    BESSY GmbH, Berlin, Germany
  • A. Shapovalov
    MEPhI, Moscow, Russia
 
  High stability of the RF photo gun is one of the necessary conditions for the successful operation of linac based free electron lasers. Fluctuations of the RF launch phase have significant influence on the beam quality. Investigation on the dependence of different gun parameters and selection of optimal conditions are required to achieve high RF gun phase stability. Measurements of the gun RF phase stability are based on beam charge and momentum monitoring downstream of the gun. The stability of the RF gun phase for different operating conditions has been measured at the Photo Injector Test facility at DESY in Zeuthen (PITZ) and the results will be presented.