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MOACC1 |
Beam Simulations for FLUTE, a Linac Based Compact THz Source |
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- M. Schuh, E. Huttel, A.-S. Müller, S. Naknaimueang, M.J. Nasse, R. Rossmanith, M. Schwarz, M. Streichert, P. Wesolowski
KIT, Karlsruhe, Germany
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FLUTE is a compact accelerator-based THz source in the final design phase at the Karlsruhe Institute of Technology (KIT). The design is based on a 7 MeV photo-injector gun, S-band linac with a maximum energy of 50 MeV and a bunch compressor in order to study the production of coherent radiation in the Terahertz frequency range. In this paper comparative simulations of the beam dynamics in FLUTE with different simulation codes are presented. In addition, we show the results of error studies taking into account alignment errors, field errors, rf-errors in amplitude and phase as well as timing errors of the gun laser in order to define tolerable limits in terms of bunch length and longitudinal bunch profile after the bunch compressor.
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Slides MOACC1 [1.478 MB]
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| TUABC2 |
Global Optimization of the ANKA Lattice Using Multiobjective Genetic Algorithms (MOGA) |
72 |
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- M. Streichert, N. Hiller, E. Huttel, V. Judin, B. Kehrer, M. Klein, S. Marsching, C.A.J. Meuter, A.-S. Müller, M.J. Nasse, M. Schuh, N.J. Smale
KIT, Karlsruhe, Germany
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Funding: This work has been supported by the Initiative and Networking Fund of the Helmholtz Association under contract number VH-NG-320.
The optimization of a storage ring lattice is a multiobjective problem, since the parameter space of possible solutions can be very large and a high number of constraints have to be taken into account during the optimization process. In this paper we used Genetic Algorithms (GA) and MultiObjective Genetic Algorithms (MOGA), which can solve such problems very efficiently and rapidly, to find the optimized settings for the ANKA storage ring lattice.
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| THP09 |
Global Scan of All Stable Settings (GLASS) for the ANKA Storage Ring |
239 |
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- M. Streichert, N. Hiller, E. Huttel, V. Judin, B. Kehrer, M. Klein, S. Marsching, C.A.J. Meuter, A.-S. Müller, M.J. Nasse, M. Schuh, N.J. Smale
KIT, Karlsruhe, Germany
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Funding: This work has been supported by the Initiative and Networking Fund of the Helmholtz Association under contract number VH-NG-320.
The design of an optimal magnetic optics for a storage ring is not a simple optimization problem, since numerous objectives have to be considered. For instance, figures of merit could be tune values, optical functions, momentum compaction factor, emittance, etc. There is a technique called “GLobal scan of All Stable Settings” (GLASS), which provides a systematic analysis of the magnetic optics and gives a global overview of the capabilities of the storage ring. We developed a parallel version of GLASS, which can run on multi-core processors, decreasing significantly the computational time. In this paper we present our GLASS implementation and show results for the ANKA lattice.
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