Paper |
Title |
Page |
MOPC154 |
RF Photo Gun Stability Measurement at PITZ |
442 |
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- I.I. Isaev, 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
- G. Asova
INRNE, Sofia, Bulgaria
- M. Hoffmann, H. Schlarb
DESY, Hamburg, Germany
- M.A. Khojoyan
YerPhI, Yerevan, Armenia
- D. Richter
HZB, Berlin, Germany
- A. Shapovalov
NRNU MEPHI, Moscow, Russia
- I.H. Templin, I. Will
MBI, Berlin, Germany
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The stability of the RF phase in the RF photo injector gun is one of the most important factors for the successful operation of linac based free-electron lasers. Instabilities in the RF launch phase can significantly reduce 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. The phase stability of the RF field is measured using the phase scan technique. Measurements were performed for different operating conditions at the Photo Injector Test facility at DESY, location Zeuthen (PITZ). Obtained stability measurement results will be presented and discussed.
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THPC114 |
High Brightness Photo Injector Upgrade and Experimental Optimization at PITZ |
3152 |
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- M. Krasilnikov, H.-J. Grabosch, M. Gross, Ye. Ivanisenko, G. Klemz, W. Köhler, 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
- G. Asova
INRNE, Sofia, Bulgaria
- L. Hakobyan, M.A. Khojoyan
YerPhI, Yerevan, Armenia
- M. Hoffmann, H. Schlarb
DESY, Hamburg, Germany
- I.I. Isaev, A. Shapovalov
MEPhI, Moscow, Russia
- M.A. Nozdrin
JINR, Dubna, Moscow Region, Russia
- D. Richter
HZB, Berlin, Germany
- I.H. Templin, I. Will
MBI, Berlin, Germany
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The photo injector test facility at DESY in Zeuthen (PITZ) develops and optimizes electron sources for linac driven free electron lasers. The main goal of PITZ is to demonstrate a small electron beam emittance by tuning several main parameters of the injector - photo cathode laser pulse, rf gun with solenoids and booster cavity parameters. A slit scan technique is used to measure the transverse phase space of the electron beam and the projected normalized emittance. The photo injector is capable of pulse train production which can be measured with dedicated diagnostics at PITZ. This enables optimization of the beam emittance for a wide range of bunch charges from tens of pC to several nC while keeping high resolution of beam measurements. The results of the experimental optimization will be presented yielding a new benchmark of photo injector performance.
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