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| WG214 |
What Should Start to End Simulations for Light Source ERLs Be Sure to Include?
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- M. Abo-Bakr
BESSY GmbH, Berlin
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In ERLs as well as in any other synchrotron light source the quality of the electron beam determines the quality of the output radiation. In the last years big effort has been done to improve electron beam sources, especially with respect to the requirements of short wavelength FELs. To conserve the high beam quality during acceleration and transport from the gun to the undulator sections and in case of ERLS even to the dump, a careful machine design is mandatory, considering all physically relevant processes. In this talk a short introduction to the most important processes will be given together with a summary of simulation codes capable to consider one or more of them. Possibilities and effort to combine these codes for Start-to-End simulations will be discussed.
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Slides
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| WG315 |
Experience with Start-to-End Tolerance Studies in HGHG FEL Cascades
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- B. C. Kuske, M. Abo-Bakr, K. Goldammer, A. Meseck
BESSY GmbH, Berlin
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Funding: * Funded by the Bundesministerium für Bildung und Forschung (BMBF), the State of Berlin and the Zukunftsfond Berlin
Start-to-end simulations for today's FEL projects are tedious and time consuming. Tolerance studies easily extend the efforts to weeks of computation time. Comparisons between start-to-end simulations and perfect bunches show how important these studies are. Special emphasis is put on HGHG FEL cascades, where results of start-to-end simulations have direct impact on the hardware layout. Examples are given for the BESSY FEL, especially the 2 stage low energy FEL line.
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Slides
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