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- J. Bähr, I. Bohnet, D. Lipka, H. Lüdecke, F. Stephan, Q. Zhao
DESY-Zeuthen, Deutsches Elektronen-Synchrotron, Zeuthen, Germany
- K. Flöttmann
DESY, Deutsches Elektronen-Synchrotron, Hamburg, Germany
- I. Tsakov
NRNE, Institute for Nuclear Reseach and Nuclear Energy of the Bulgarian Academy of Science, Sofia, Bulgaria
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A Photo Injector Test facility (PITZ) is under construction at
DESY-Zeuthen. The aim is to develop and operate an optimized photo
injector for future free electron lasers and linear accelerators. This
concerns especially minimal transverse emittances and proper
longitudinal phase space. The commissioning of the photo injector will
take place in summer 2001. In the rst phase the energy of the produced
electrons is about 5 MeV. A short description of the setup and beam
parameters are given. Optimization of an electron gun is only possible
based on an extended diagnostics system. The diagnostics system for the
analysis of the transversal and longitudinal phase space will be
described. It consists of a measurement system of the transversal
emittance, a TV-based image measurement system, a streakcamera
measurement facility, a spectrometer using a dipole magnet and further
detectors. Problems of the measurement of the longitudinal phase space
are discussed in detail.
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