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- C. H. Boulware, G. Asova, J. W. Baehr, H.-J. Grabosch, L. Hakobyan, M. Hänel, Ye. Ivanisenko, S. Khodyachykh, M. K. Khojoyan, S. A. Korepanov, M. Krasilnikov, B. Petrosyan, S. Rimjaem, T. A. Scholz, A. Shapovalov, R. Spesyvtsev, L. Staykov, F. Stephan
DESY Zeuthen, Zeuthen
- W. Ackermann, E. Arevalo
TEMF, TU Darmstadt, Darmstadt
- K. Floettmann, S. Lederer, D. Reschke
DESY, Hamburg
- T. Garvey
PSI, Villigen
- G. Klemz, I. Will
MBI, Berlin
- P. M. Michelato, L. Monaco, C. Pagani, D. Sertore
INFN/LASA, Segrate (MI)
- R. Richter
BESSY GmbH, Berlin
- J. Roensch
Uni HH, Hamburg
- K. Rosbach
Humboldt University Berlin, Institut für Physik, Berlin
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The Photo Injector Test facility at DESY, Zeuthen site, (PITZ) develops and optimizes electron sources for high-power, short-wavelength FELs such as FLASH and the European XFEL. PITZ has now restarted operation after a very significant upgrade. A new laser system has been installed which, when fully commissioned, is expected to deliver 20 ps-long pulses with rise and fall times of 2 ps. Also, a new 1.5-cell L-band gun with improved cooling channel design has been installed. A new dry-ice cleaning method was employed during this gun’s preparation, and conditioning results from this gun show significantly decreased dark current compared with the summer 2007 run. We describe the new stage of the facility, report the complete conditioning results from the new electron gun, give an overview of the experimental results from the 2008 run period, and present a description of the additional planned upgrades toward the full operating design of the facility.
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