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Photon Systems Update. John Arthur SLAC Photon Systems Manager. 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

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Photon systems update

Photon Systems Update

John Arthur

SLAC Photon Systems Manager


Photon systems
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)


Photon systems update

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


Photon systems update

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.


Photon systems update

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.


Photon systems update

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.


Photon systems update

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


Recent events
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


Photon systems update

NEH

Hutch 1

9.5x10m

Hutch 3

Hutch 2

Flipper Mirrors


Photon systems update

Reduced scope FEH design

Entrance

tunnel

single beamline

46ft tunnel

Hutch 4

Hutch 5

Hutch 6

19ft tunnel

212ft


Other cuts
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


Other developments for xtod
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


Other developments for xes
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


Photon systems update

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


Photon systems update

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


Photon systems update

NEH

AMO

SXR

X-ray pump-probe

soft x-ray line

hard x-ray line

Flipper Mirrors


Photon systems update

FEH

XPCS

Coherent x-ray imaging

High energy density science


Summary
Summary

  • Cuts have been made, but not too drastic

  • Design effort underway

  • LUSI is beginning to help