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SMA

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TUPCH022 Large Horizontal Aperture BPM for use in Dispersive Sections of Magnetic Chicanes pick-up, simulation, electron, laser 1043
 
  • K.E. Hacker, H. Schlarb
    DESY, Hamburg
  • F. Loehl
    Uni HH, Hamburg
  A beam position monitor with a large horizontal aperture for use in dispersive sections of FLASH magnetic chicanes will be installed in October 2006. It has a horizontal range of 13 cm and a resolution requirement of better than 10 microns. A stripline design mounted perpendicularly to the the electron beam direction is used to provide broadband electrical pulses traveling in opposite directions, the phases of which give a measure of the beam position. The phase measurement will be accomplished through an optical method developed for a beam arrival time monitor. Results from simulation and recent beam arrival-time measurements will be used to justify expectations for the BPM performance.