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Fröhlich, L.

Paper Title Page
TUP009 First Operation of the FLASH Machine Protection System with Long Bunch Trains 262
 
  • L. Fröhlich, L. Fröhlich
    Uni HH, Hamburg
  • M. Görler, P. Göttlicher, D. Noelle, D. Pugachov, H. Schlarb, S. Schreiber, M. Staack, M. Werner
    DESY, Hamburg
  • A. Hamdi, M. Luong, J. Novo
    CEA, Gif-sur-Yvette
  
  The linac-based free electron laser facility FLASH at DESY Hamburg is designed to transport an electron beam with an average power of more than 50 kW. To avoid serious damage to accelerator components, a fast active machine protection system (MPS) stops the production of new bunches if hazardous machine conditions are detected. This paper gives an overview of the MPS topology and its subsystems. Furthermore, we present results from the commissioning of the fast beam interlock system that has for the first time allowed to operate the accelerator with macropulses of up to 600 bunches.