1. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Design / Diagnostics / Gun & Linac RF Design E. Bong LCLS FAC October 27, 2005 LCLS

2. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Design / Diagnostics / Gun & Linac RF Design Installation Dates/Progress Region Design Diagnostics Gun, Linac & RF

3. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector and Linac Installation Dates (RF phase:  rf = 0 is at accelerating crest) SLAC linac tunnel research yard Linac-1Aug-Nov2006Linac-2July-Sep2007Linac-3July-Sep2007 BC-1 Aug- Nov 2006BC-2July-Sep2007 LTU Oct 2007 Dec 2007 DL-1Aug-Nov2006 undulator SLAC linac 21-1b21-1d X RF Gun Nov 2006 21-3b24-6d25-1a30-8c E-Dump Dec 2007 Feb 2008 Inj Vault Jun-Jul2006 L0a&b rfgun Installation in SLAC linac tunnel only during down-time Linac-X Aug-Nov2006 Linac Down: August – November 2006 July – September 2007

4. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Installation Drive Laser May 2006 Laser Launch July 2006 Gun Region July 2006 Accel Region June 2006 Heater Region June 2006 Wall Region October 2005 Injection Region Aug-Nov 2006 Spect Region Aug-Nov 2006 Waveguide through wall and up penetration October 2005 Gun installation November 2006 Following Hot Test in Klystron Lab Injector Commissioning Start December 2006

5. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Region Design Status (2006 Install) Gun RegionIn Process Accelerator RegionIn Process Heater RegionIn Process Wall RegionComplete Insertion RegionIn Process Spectrometer RegionNot Started L1Complete LXComplete BC1Articulation Complete, beamline incomplete Seeking engineering support from other SALC groups

6. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Vault Integration of region layouts, piping, cable trays, laser transport, waveguide and floor stands. Tray and water install first Cable plant install to precede beamline component install

7. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Waveguide Design Installation penetration-wall October ’05 Installation Vault & Gallery Spring ’06 Design effort broken into penetration- wall runs, Gallery and Vault runs. Detail drawings complete for penetration and gallery runs 3-D Layout integrated into Injector system assembly Gun and structures fed from Li-20-6, 7 & 8 klystrons, T-Cav fed from Li-20-5d structure exhaust.

8. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Gun Region Installation July 2006 except gun November 2006 Region PDR October 31 Device reviews November Gun review complete Solenoid on order YAG/OTR optics package design by Klystron engineering Spectrometer bend in-house design Base support integrated with launch optics table support Laser on-axis, not grazing incidence

9. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Accelerator Region Installation June 2006 Dual feed structure design and details complete and in fabrication Quads on order Solenoid on order L0a and solenoid on common support girder to allow relative alignment in lab prior to install.

10. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Heater Region Design Beamline segment Between Accelerators and Shielding Wall Installation June 2006 Undulator installation 2007 Transverse structure on hand. Quads on order OTR actuator design complete Bend magnet specification complete ready to order Need optics, chamber and steering coil & support designs

11. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Wall Region Spans through shielding walls separating Injector Vault form Linac Housing. October 2005 installation includes pipes through walls and stopper. Required for installation in vault during Linac run. Balance of installation August 2006. Completed device designs: quadrupole, stopper, wire scanner, OTR actuator and component supports.

12. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Insertion Region Uses OTR, Wire Scanner & Quad design from Wall Region Installation ’06 Down Layout and interference study in progress

13. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Spectrometer Region Mechanical Design not started Uses Quadrupoles, BPMs and YAG/OTRs & steering coils from other region designs New Bend, Dump/FC, chambers and supports Installation Aug-Nov 2006 Need additional engineering support matrixed from SLAC

14. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 L1 Region Design Installation ’06 down Detail Drawings Complete except SA- BPM modification Uses existing shortened accelerator sections, injector quadrupoles and BPM bodies

15. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Install ‘06 Down. XL4 Klystron fabrication complete. Waveguide fabrication starting. Waveguide details and structure support design complete. X-Band System Design (LX)

16. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 BC1 Region Design Beamline segment from X-Band system to structure Li21-2b. Installation – August 2006 Compressor articulation, mangets and chambers on order Compressor diagnostics incomplete Downstream emittance section design incomplete. Uses existing wire scanner, quadrupole, stopper and BPM designs. Collaboration with UCLA on single shot bunch length monitor in place. However, mechanical design for BC1 instance not started.

17. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Installation October 2005

18. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector/Linac Diagnostics Wire Scanners mechanical design released, ready to build BPMs Small Aperture BPM on order (delivery 6 weeks late) Large Aperture BPM ready to detail (FDR) SA Mod for L1 need design work Torroids Ready to release RFQ for build to spec Additional requirement for BCS at gun just recieved Profile Monitors Actuator bodies on order, OTR head design complete Optics design starting (Klystron) Need YAG head design

19. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector/Linac Diagnostics Collimators BC1 movable collimator design started but halted to pursue Injector design Need collimator PRD Stoppers Wall PPS stopper complete Gun Spectrometer FC in design SAB Spectrometer FC need design BC1 stopper use existing Linac design Purchasing Establish multi-year delivery contracts to bulk-purchase diagnostics items

20. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 RF Gun & Solenoid RF Gun design reviews complete in final detail. Fabrication, assembly to solenoid & alignment to complete for August HP testing in Klystron test lab Need design of bulk cooling water system for klystron lab hot test and vault installation

21. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Dual Feed Structure Design L0a and L0b both dual feed structures Reviews of RF and mechanical designs complete Detail drawings complete and released Testing of existing structures completed Fabrication of dual feed parts starting

22. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 RF Design LLRF preliminary design review held Waveguide coupler design and fabrication complete Construction of the PEPII phase shifter RF chassis is complete, calibration next month. Phase shifter control board fabrication next month. 476MHz master amplifier chassis in process of being tested in the Lab. A 1:1 model of the S-band (2856 MHz) Phase Detector Cavity is being manufactured to start testing in October. The main RF parameters of the phase detector cavity calculated with Superfish program were presented during the "LCLS LLRF Preliminary Design Review"

23. Eric Bong LCLS FAC Injector-Linac DesignBONG@slac.stanford.edu October 27, 2005 Injector Design / Diagnostics / Gun & Linac RF Design Injector Design / Diagnostics / Gun & Linac RF Design Conclusion Progress is being made toward completing beamline and component design for 2006 installation supporting January 2007 commissioning but with some risk Additional engineering manpower required for SAB Spectrometer, BC1 Downbeam segment, BC1 Chicane diagnostics and BC1 Single Shot Bunch Length Monitor Vendor delivery delays could be critical Injector Vault cable tray and water installation must be expedited