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Injector Laser Heater Undulator. Jose Chan. Injector Laser-Hearter Undulator. Problems/Issues: Paul E. “Most OTR screens are unusable due to COTR ( laser heater should fix this in FY2009)”

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Injector Laser Heater Undulator

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Injector laser heater undulator

Injector Laser Heater Undulator

Jose Chan

Injector laser hearter undulator

Injector Laser-Hearter Undulator

  • Problems/Issues: Paul E. “Most OTR screens are unusable due to COTR (laser heater should fix this in FY2009)”

  • PRD 1.2-004-r2: “…produces Laudau damping in the bunch compressor chicanes in order to suppress potential micro-bunching instabilities that may be driven by Coherent Synchrotron Radiation (CSR) in the bunch compressors, and Longitudinal Space Charge (LSC) forces in the linac…”

  • Engineer: Richard F. Boyce

Laser heater system

Laser-Heater System



  • Received and tested four bend magnets, BXH

  • Completed drawings for the vacuum chamber with OTR bodies and is in MFD

    • Available in September 2008

  • Prints for the alignment stages are complete

  • Undulator magnets are out for vendor quote

    • Bids are due back on 6/25/08

  • Undulator design are being finalized

  • Optical components are on order

  • Start installation in September 2008

Injector laser heater undulator

BX magnet

OTR with photo-diodes

9 period adjustable

gap undulator




  • Injector Heater design has started and stopped many time

  • More complicated than original thought

  • Very tight space requirement

  • Magnets and optical components purchase orders are in purchasing group

  • Final design packages are being completed

  • Undulator magnet installation maybe one month late depending on magnetic measurements

  • Expect to start installation of vacuum chamber in September 2008

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