| Paper |
Title |
Page |
| THPPH003 |
A High Average Power RF-Photoinjector Gun Cavity Developed for the BESSY Soft X-ray FEL
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560 |
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- F. Marhauser, M. Dirsat, V. Duerr, A. Meseck, R. Richter, E. Weihreter
BESSY GmbH, Berlin
- G. Asova, J. W. Baehr, H.-J. Grabosch, S. Khodyachykh, S. A. Korepanov, M. Krasilnikov, A. Oppelt, B. Petrosyan, L. Staykov, F. Stephan
DESY Zeuthen, Zeuthen
- O. Kalekin
Humboldt Universität zu Berlin, Berlin
- J. R. Roensch
Uni HH, Hamburg
- F. Tonisch
DESY, Hamburg
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A 1.3-GHz, high duty factor, high-repetition-rate rf photoinjector gun cavity has been developed at BESSY. RF conditioning and high-power tests have been performed at the Photoinjector Test Facility at DESY Zeuthen (PITZ). The measurement results will be presented in this paper.
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| THPPH019 |
Investigations of Longitudinal Beam Properties at the Photoinjector Test Facility in Zeuthen
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597 |
| |
- J. R. Roensch, J. Rossbach
Uni HH, Hamburg
- G. Asova, J. W. Baehr, H.-J. Grabosch, S. Khodyachykh, S. A. Korepanov, M. Krasilnikov, A. Oppelt, B. Petrosyan, S. Riemann, L. Staykov, F. Stephan
DESY Zeuthen, Zeuthen
- D. Lipka, F. Marhauser, R. Richter
BESSY GmbH, Berlin
- A. P. Onuchin
BINP SB RAS, Novosibirsk
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The goal of the Photoinjector Test Facility at DESY in Zeuthen (PITZ) is to test and optimise electron guns for FELs like FLASH at DESY in Hamburg. In 2005 the setup was extended by a booster cavity. In order to measure longitudinal and transverse beam properties in the range between 5 to 40 MeV/c, a viewport after the booster cavity was developed. It contains several radiators. One of them is Silica aerogel used as Cherenkov radiator for the measurement of the longitudinal electron distribution with a streak camera. Design considerations are presented and maybe first measurement results are available. The longitudinal distributions after the booster for different beam parameters are compared to the distributions before the booster.
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| THPPH023 |
Tuning, Conditioning, and Dark Current Measurements of a New Gun Cavity at PITZ
|
609 |
| |
- A. Oppelt, K. Abrahamyan, O. A. Aldrian, G. Asova, J. W. Baehr, G. Dimitrov, H.-J. Grabosch, L. Hakobyan, Y. Ivanisenko, S. Khodyachykh, S. A. Korepanov, M. Krasilnikov, V. Miltchev, B. Petrosyan, R. I. Spesyvtsev, L. Staykov, F. Stephan
DESY Zeuthen, Zeuthen
- K. Floettmann, J. H. Han, C. Martens, R. Meyer, F. Tonisch
DESY, Hamburg
- O. Kalekin
Humboldt Universität zu Berlin, Berlin
- F. Marhauser, R. Richter, E. Weihreter
BESSY GmbH, Berlin
- P. Michelato, L. Monaco, D. Sertore
INFN/LASA, Segrate (MI)
- J. R. Roensch
Uni HH, Hamburg
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In December 2005, a new gun cavity for the Photo Injector Test Facility at DESY in Zeuthen (PITZ) was tuned at Hamburg with the help of a specially designed tuning device. The tuning processus and its results as well as RF measurements will be presented. Meanwhile, the cavity was installed in the PITZ facility and conditioned. Dark current measurements with different cathodes were undertaken and will be described in the paper. Comparisons to former measurements will be made.
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| TUPPH067 |
Commissioning of a New Emittance Measurement System at PITZ
|
474 |
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- L. Staykov, J. W. Baehr, H.-J. Grabosch, S. Khodyachykh, S. A. Korepanov, M. Krasilnikov, A. Oppelt, B. Petrosyan, J. R. Roensch, F. Stephan
DESY Zeuthen, Zeuthen
- G. Asova, I. Tsakov
INRNE, Sofia
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The goal of the Photo Injector Test facility in Zeuthen (PITZ) is to test and optimize high brightness electron sources suitable for FEL's like FLASH and XFEL. Such sources are characterized by very low emittance at high bunch charge. The Emittance Measurement SYstem (EMSY) described in this paper uses YAG and OTR screens to measure the transverse beam size and thin Tungsten slits to measure the divergence of the beam. It has been optimized to measure emittance for a beam of 1 nC in the energy range 5 - 30 MeV. EMSY was developed in a cooperation between DESY Zeuthen and INRNE Sofia. It was installed in the PITZ tunnel in the beginning of June and commissioning and first measurements were done.
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