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Status Update on Injector Laser Heater and Undulator Development

This report discusses the ongoing issues and developments concerning the Injector Laser Heater and Undulator systems. Significant progress has been made, including the testing of bend magnets and the completion of vacuum chamber drawings. However, challenges persist, such as delays in design finalization and space constraints. The status of the laser heater is critical since it aims to address existing problems with OTR screens, particularly due to COTR. Installation is anticipated to begin in September 2008, with various components ordered and in the pipeline for completion.

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Status Update on Injector Laser Heater and Undulator Development

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  1. Injector Laser Heater Undulator Jose Chan

  2. 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

  3. Laser-Heater System

  4. Status • 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

  5. BX magnet OTR with photo-diodes 9 period adjustable gap undulator Beam

  6. Summary • 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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