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Survey and Alignment for the new SwissFEL Accelerator

Survey and Alignment for the new SwissFEL Accelerator. K.Dreyer, T.Höwler, Paul Scherrer Institute (PSI), Villigen, Switzerland. Wir schaffen Wissen – heute für morgen. IWAA2012. PSI Alignment Group, Division- / Technical Support / Coordination and Operation - ATK. SwissFEL Location.

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Survey and Alignment for the new SwissFEL Accelerator

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  1. Survey and Alignment for the new SwissFEL Accelerator • K.Dreyer, T.Höwler, Paul Scherrer Institute (PSI), Villigen, Switzerland Wir schaffen Wissen – heute für morgen IWAA2012 PSI Alignment Group, Division- / Technical Support / Coordination and Operation - ATK

  2. SwissFEL Location The locations of the SwissFEL facility and auxiliary buildings [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  3. SwissFEL How it will look like SwissFEL building seen from the experimental area entrance [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  4. SwissFEL Key Parameters Table 1: Key parameters and features [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  5. SwissFEL Project Schedule Schematic of the Assembly sequence [Source: SwissFEL CDR:] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  6. Building Cross Section (LINAC) Sectional view of the SwissFEL (Linac 1) [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  7. LINAC-Module Layout of the generic C-band RF module [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  8. Local Support System and Adjustment Fiducials for 0.5“ CCR Reference Surfaces of Mineral Cast Girders and Shimming Blocks (250MeV Injector Testfacility) Girder Foot with Driving Wedge LINAC Quad with Fiducials and fixed Shimming Blocks (brown) Adjusment systems LINAC [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  9. Requirements for Alignment Table 2: Accuracy requirements for the LINAC Table 3: Accuracy requirements for the undulators [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  10. U15 Undulator (In-Vacuum variable Gap) [Source: SwissFEL CDR] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  11. Coordinate-System, Transformations • The Machine Coordinate System (MCS) is a local cartesian right handed coordinate system which has been determined according to the machine axis the fundamental point is in the virtual center of the facility. The origin is set to the gun center. • MCS is the basic working coordinate frame for construction and alignment tasks. • Transformations between the official global coordinate-systems (LV03, LN02 (BESSEL_Ellipsoid)) and the local coordinate-system will be done using the official computation service REFRAME provided by swisstopo (Bundesamt für Landestopografie). IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  12. Instrumentation and Software [Picture-Source: SpatialAnalyzer (NRK)[1], WinGeonet (SLAC)[2]] IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  13. SwissFEL Network Simulation (Tunnel) • Profiles all 7.5 m • 300 floor-references • 200 wall-references • 80% Overlap • Reached Main RMS: 0.036 mm Software: SpatialAnalyzer (SA), New River Kinematics (NRK) IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

  14. 250MeV-Injector-Testfacility ... more details in the Postersession -> Tino Höwler IWAA2012 K.Dreyer, T.Höwler, Division- / Technical Support / Coordination and Operation - ATK

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