Photon Systems Update

1. Photon Systems Update John Arthur SLAC Photon Systems Manager

2. Photon Systems Includes LCLS x-ray and laser groups • X-ray Transport, Optics and Diagnostics (XTOD) • managed by LLNL (Richard Bionta) • X-ray Endstation Systems (XES) • managed by SLAC (Stefan Moeller) • Laser Systems • managed by SLAC (Bill White)

3. XTOD Scope • Transport the x-ray beam, in vacuum, to all the experimental stations • Condition the x-ray beam, with attenuators and apertures • Analyze the x-ray beam, with sophisticated diagnostics

4. XES Scope The X-Ray Endstation Systems group provides the infrastructure required for experimenters to make best scientific use of the LCLS radiation safely. Includes advanced x-ray detector R&D.

5. Laser Group Scope The Laser group coordinates laser design and acquisition throughout the LCLS. Lasers will be used in the electron gun and x-ray experimental areas, and also possibly for accelerator diagnostics and alignment.

6. LUSI Project Scope LCLS Ultrafast Science Instruments is a distinct DOE project closely coordinated with LCLS. It will build 4 science instruments which will occupy LCLS x-ray hutches. This will enable work in three of the LCLS Science Thrust Areas: X-ray pump-probe dynamics, Coherent x-ray imaging, and X-ray photon correlation spectroscopy. The project is ramping up, with major funding expected in FY2007.

7. X-Ray Systems Status • FY2006 is a design year • XTOD designs are undergoing reviews now • XES designs ready for review in a few months • FY 2007 is a build year • Ready for installation starting August 2007 • Ready for first light in Spring 2008

8. Recent Events • FAC Oct 2005 Recommendations • Coordinate with experiment teams • Make x-ray mirror design a priority • Don’t cut flipper mirrors or move FEH • LCLS actions • Coordinating with LUSI • Mirror optics design underway • Had to cut flipper mirrors and move FEH

9. NEH Hutch 1 9.5x10m Hutch 3 Hutch 2 Flipper Mirrors

10. Reduced scope FEH design Entrance tunnel single beamline 46ft tunnel Hutch 4 Hutch 5 Hutch 6 19ft tunnel 212ft

11. Other Cuts • Some XTOD diagnostics • Not needed for commissioning, expect to add as part of operations • Some XES generic detectors • Expect that LUSI will provide experiment-specific detectors • XES support for generic computers for experiments • Expect that LUSI will provide experiment-specific computers

12. Other Developments for XTOD • New Physics Liaison: Peter Stefan • Revised work plan incorporating cuts • Designs moving through review stage Gas attenuator prototype Slits Beam transport

13. Other Developments for XES • New hires • John Bozek, AMO physicist • Niels van Bakel, Detector physicist • Revised work plan incorporating cuts • 2d x-ray detector development program on schedule • Working closely with upgraded LCLS Controls Group

14. LUSI Progress • Jerry Hastings is now Project Director • Initial hiring taking place • Nadine Kurita, Chief Engineer • Bill Foyt, Project Manager • Working closely with XES and XTOD groups to develop an optimal layout for experiments

15. Better Beam-Splitting Plan LCLS and LUSI are working on an updated beam-splitting plan, and a way will be found to implement it This includes not only splitting of the beam to the FEH, but also splitting into a soft x-ray line and hard x-ray line in the NEH Will allow quicker changes between experiments Has become possible as experiment designs are beginning to crystallize

16. NEH AMO SXR X-ray pump-probe soft x-ray line hard x-ray line Flipper Mirrors

17. FEH XPCS Coherent x-ray imaging High energy density science

18. Summary • Cuts have been made, but not too drastic • Design effort underway • LUSI is beginning to help