Paper |
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WEPWA008 |
Simulating the Bunch Structure in the THz Source FLUTE |
2141 |
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- S. Naknaimueang, E. Huttel, S. Marsching, A.-S. Müller, M.J. Nasse, R. Rossmanith, M. Schreck, M. Schuh, M. Schwarz, M. Weber, P. Wesolowski
KIT, Karlsruhe, Germany
- M.T. Schmelling
MPI-K, Heidelberg, Germany
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FLUTE is a planned THz source at KIT operating at a beam energy of 40 to 50 MeV in a wide bunch charge range. It consists of a laser driven rf-gun, a linac and a magnetic bunch compressor. The high current density combined with relatively low energy of FLUTE leads to complex strong self-field and beam-radiation field interactions, which are the limiting factors for the bunch compression efficiency. The results of numerical studies are presented in this paper.
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WEPWA009 |
RF Bunch Compression Studies for FLUTE |
2144 |
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- M. Schuh, E. Huttel, S. Marsching, A.-S. Müller, S. Naknaimueang, M.J. Nasse, R. Rossmanith, R. Ruprecht, M. Schreck, M. Schwarz, M. Weber, P. Wesolowski
KIT, Karlsruhe, Germany
- R.W. Aßmann, K. Flöttmann, H. Schlarb
DESY, Hamburg, Germany
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FLUTE is a planned 40 to 50 MeV accelerator test facility consisting, in the first phase, of an electron gun with an output energy of about 7 MeV, a traveling wave linac and a magnet chicane bunch compressor. The machine will serve as a source of intense THz radiation using coherent synchrotron radiation (CSR), coherent transition radiation (CTR), and coherent edge radiation (CER) as generation mechanisms. It is planned to operate the machine in the charge regime from a few pC up to several nC in order to study bunch compression schemes as well as the THz radiation generation. In this contribution the effect of velocity bunching by using a dedicated buncher cavity at low energy and operating the linac off-crest is studied in order to deliver RMS bunch lengths in the femtosecond range at low charge.
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