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Weidemann, A. W.

Paper Title Page
TUPMS059 LCLS Undulator Tuning And Fiducialization 1320
 
  • Z. R. Wolf, V. Kaplounenko, Yu. I. Levashov, A. W. Weidemann
    SLAC, Menlo Park, California
  
  Funding: Work supported in part by the DOE Contract DE-AC02-76SF00515.

The LCLS x-ray free electron laser project at SLAC requires 40 undulators: 33 in the beamline, 6 spares, and one reference undulator. A new facility was constructed at SLAC for tuning and fiducializing the undulators. The throughput of the facility must be approximately one undulator per week. Much effort has gone into automating the undulator tuning. Because of tight alignment tolerances, accurate techniques were developed to fiducialize the undulators. The new facility, the tuning techniques, and the fiducialization techniques will be discussed.