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SwissFEL Laser Heater Review

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OHSA/E13 (PSI)

OHSA/E13

PSI

Paul Scherrer Institut OHSA/E13 5232 Villigen PSI
Description

Minutes
Paper
Participants
  • Alexandre Trisorio
  • Barry Fell
  • Carlo Vicario
  • Christoph Peter Hauri
  • Edwin James Divall
  • Elke Zimoch
  • Florian Löhl
  • Gian Luca Orlandi
  • Haimo Joehri
  • Hans Braun
  • Karsten Dreyer
  • Lothar Schulz
  • Luc Patthey
  • Marco Calvi
  • Marco Negrazus
  • Marco Pedrozzi
  • Marta Divall
  • Mathias Hamberg
  • NEIL THOMPSON
  • Pavle Juranic
  • Simona Bettoni
  • Volker Ziemann
    • 1
      Welcome and general introduction
      - Parameter summary (beam and laser) - Layout building situation and environment parmeters - Layout machine lattice at the LH (overview of all components + 2D model - Integration of laser transfer in the building - Illustration aspects (task distribution overview) - Scheduling and comissioning aspects
      Speaker: Marco Pedrozzi (Paul Scherrer Institut)
      Slides
    • 2
      LH specifications and beam dynamics
      - Beam heating requirements - Operation range (max-min charge, max-min energy) - Undulator requirements - Optics and chicane specifications (dipoles, axis separation, R56)
      Speaker: Marco Pedrozzi (Paul Scherrer Institut)
      Slides
    • 3
      "Standard" Electron diagnostics
      - Screen monitors specifications & options (interfacing with photon diagnostics) - BPM (alignment survey along the undulator and feed back) - BAM (synchronization survey and feed back)
      Speaker: Rasmus Ischebeck (Paul Scherrer Institut)
      Slides
    • 10:00
      Coffee break
    • 4
      Undulator design and engineering (+ discussion)
      - Presentation of design status - presentation (Daresbury) - Discussion/verification interfacing with beam (magnetic design) - Discussion interfacing with mechanics (positioning, supports and alignment) - Discussion interfacing with controls (motors and encoders)
      Speakers: Mr NEIL THOMPSON (STFC), Mr barry fell (STFC)
      Paper
      Slides
    • 12:00
      Lunch break
    • 5
      Laser system and transfer line
      - Presentation laser system and transfer line specifications/concept - Presentation laser optics & concept for the coupling (geometry & chamber constraints)
      Speaker: Carlo Vicario (Paul Scherrer Institut)
      Slides
    • 6
      Laser diagnostic requirements
      Suggestion: - one presentation from PSI - one presentation from our Swedish colleagues, concepts and design based on previous experience + discussion To be covered here: - Standard laser diagnostics - Energy - Alignment/pointing survey (virtual waist image) Overlap diagnostics - Transverse overlap setting (screens) + monitoring and feed back (pointing survey with 4 quadrant diodes or camera?) - Longitudinal overlap rough and fine adjustment(the most critical aspects? Survey options: BAM+LAM, EOM for survey?)). - Support system laser optics and diagnostics (optical tables, protection box,..) - Discussion about task distribution & Role of Lund University.
      Speakers: Carlo Vicario (Paul Scherrer Institut), Dr Volker Ziemann (Upsala University)
      Slides
    • 7
      Vacuum system
      - presentation or included in point 1)? (L. Schulz) - Presentation of vacuum chamber basic concept (motorization requirements, laser coupling, chamber size,...)
      Speaker: Lothar Schulz (Paul Scherrer Institut)
    • 8
      Summary
      - Decisions - Task distribution - Open points - Next steps
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