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Treyer, D. M.

 
Paper Title Page
WG521 An Intra Bunch Train Feedback System for the European XFEL  
 
  • B. Keil, M. Dehler, R. Kramert, A. Lounine, G. Marinkovic, P. Pollet, T. Schilcher, V. Schlott, D. M. Treyer
    PSI, Villigen
 
  After joining the preparatory phase of the European X-FEL project, the Paul Scherrer Institut (PSI) agreed in taking over responsibility for electron beam stabilization by developing a fast intra bunch train feedback (IBFB) system, which will be tested in its prototype version at the VUV-FEL facility at DESY. The IBFB will make use of the long bunch trains provided by the superconducting drive accelerators of the VUV- as well as the European X-FEL allowing to damp beam motions in a frequency range of a few kHz up to several hundreds of kHz applying modern control algorithms in a feedback loop. The FPGA-based, digital data processing and the low latency time (preferably < 200 ns) allow the elimination of long range (from bunch train to bunch train) and ultra fast (bunch by bunch) repetitive beam movements by adaptive feed forwards. This report will introduce the IBFB design concept and report on the status of the project.  
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