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Thürmann, D.

Paper Title Page
MOPC027 A Fast Switching Mirror Chamber for FLASH 124
 
  • S. Pauliuk, U. Gensch, R. Heller, M. Sachwitz, H. Thom, D. Thürmann
    DESY Zeuthen, Zeuthen
  • U. Hahn, S. Karstensen, H. Schulte-Schrepping, K. I. Tiedtke
    DESY, Hamburg
 
  Switching mirrors are used to provide several beamlines with FEL or synchrotron radiation from one source. Since most users do not need the nominal pulse density, this is a method to supply many experimental groups. So far, the switching process has a duration of several minutes. A study at DESY Zeuthen analyzes the possibility and accuracy of permanent switching, e.g. at half the FEL's pulse frequency of 1 to 10 Hz. A prototype satisfying highest demands on repetition accuracy of the position (below 1 μm) and yawing (about 1 arcsec) is being tested. In the course of the work many technical concepts from industry like PLC or Position-Velocity Streaming found their way into beamline technology, allowing fast proceedings in development.