Xray Correlation Spectroscopy WBS 1 4 Aymeric Robert

X-ray Correlation Spectroscopy (WBS 1. 4) Aymeric Robert System Specifications System Description WBS Schedule and Costs Summary LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 1 Aymeric Robert aymeric@slac. stanford. edu

Science Team Specifications and instrument concepts developed and refined with the science team. The XCS team leaders Brian Stephenson, Argonne Natl. Lab. (leader) Gerhard Grübel, DESY, Germany Karl Ludwig, Boston University LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 2 Aymeric Robert aymeric@slac. stanford. edu

X-ray Correlation Spectroscopy Fully spatially coherent Short pulse duration High brightness Visible Raman Scattering Visible Brillouin Scattering Inelastic X-ray and Neutron Scattering XCS @ LCLS Visible Photon Correlation X-ray Photon Spectroscopy Correlation Spectroscopy 3 rd Generation Sources Dynamics of glassy materials Phonon spectroscopy Surface dynamics … LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 3 Aymeric Robert aymeric@slac. stanford. edu

Sequential XCS Intensity autocorrelation function Dt Dt Dt 3 3 2 4 1 4 2 1 Time-average Brilliance 10 ms < t. C < hrs Large Q’s accessible LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 4 Aymeric Robert aymeric@slac. stanford. edu

Ultrafast XCS Peak Brilliance & Pulse Duration pulse duration < t. C< several ns Large Q’s accessible LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 5 Aymeric Robert aymeric@slac. stanford. edu

Split and Delay Provided by DESY/SLAC Mo. U Prototype existing 1 st Commissioning May 2007 pulse duration < delay < 3 ns based on Si (511) with 2θ = 90º E=8. 389 ke. V LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 6 Aymeric Robert aymeric@slac. stanford. edu

XCS SCOPE - WBS 1. 4 Scope/CD-1 Estimate Includes: Physics support & engineering integration X-ray optics – monochromator, focusing optics, slits system, attenuator Detectors - 2 D Detector Sample environments – diffractometer system (including detector stages) Laboratory facilities Vacuum system (in 200 m long transport tunnel) Installation Diagnostics (WBS 1. 5) Controls & Data System (WBS 1. 6) In Kind Contribution : Split and Delay setup ( from SLAC/DESY Mo. U in process) LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 7 Aymeric Robert aymeric@slac. stanford. edu

System Specifications Item Purpose Specification Monochromator ( design identical XPP mono) Increase longitudinal coherence length (i. e narrow spectrum) Multiplex LCLS beam 600 mm horizontal offset, 9°-50° scattering range, 0. 02 arcsec angular resolution and repeatability Focusing optics Reduce beam size, Maximize flux at sample Down to 10 mm focal spot size, Preserves coherence X-ray diffractometer Sample orientation, Positioning of the detector Orientation in 6 degrees of freedom Detector positioning acc. and res. < 35 μm Detector Collect 2 D speckle patterns 2 D, 1 kx 1 k pixels, 35 mm x 35 mm pixel size, readout 120 Hz, 102 dynamic range Split and Delay (SLAC/DESY Mo. U) Access ultrafast XPCS (SLAC/DESY Mo. U) Pulse duration < delay < 3 ns E=8. 389 ke. V (prototype specifications) Vacuum system Beam delivery to FEH Vacuum ~ 10 -7 torr (200 m long transport tunnel) LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 8 Aymeric Robert aymeric@slac. stanford. edu

XCS Instrument Location Far Experimental Hall XPP AMO (LCLS) Near Experimental Hall LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 9 0 20 ( l e nn u rt T. 4. 5) o p ns BS 1 a r T (W ay r X CXI m) XCS Endstation XCS Offset Monochromator† (WBS 1. 4. 2) †Upstream location to offer sufficient separation for HED instrument when using mirror for beam sharing Aymeric Robert aymeric@slac. stanford. edu

XS De te c to r St a ge WAX Detect S or Stag e Diffractometer LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 10 Monochromator and Split & Delay upstream SA Aymeric Robert aymeric@slac. stanford. edu

XCS System Description 1. 4. 1 Physics support and engineering integration 1. 4. 2 X-ray optics 1. 4. 3 Detector 1. 4. 4 Laboratory facilities 1. 4. 5 Vacuum system 1. 4. 6 Sample environment 1. 4. 7 Installation LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 11 Aymeric Robert aymeric@slac. stanford. edu

XCS System Description (2) Trans port T XCS Bea unne l m LCL S Bea m Parameter Value Energy Range 6 – 24 ke. V Horizontal Offset 600 mm Scattering Angle 90 - 500 q Accuracy 0. 02 arcsec χ Accuracy 4 arcsec 1. 4. 2 X-ray Optics Monochromator Thin crystals Be lens Slits Attenuators LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 12 Aymeric Robert aymeric@slac. stanford. edu

XCS System Description (3) 1. 4. 3 2 D Detector (BNL) 1024 x 1024 pixels 35 mm x 35 mm micron pixel size High Detector Quantum Efficiency (DQE) 10 2 dynamic range Noise << 1 photon 120 Hz Readout Rate 1. 4. 4 Laboratory facilities 1. 4. 5 Vacuum system LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 13 Aymeric Robert aymeric@slac. stanford. edu

XCS System Description (4) 1. 4. 6 Sample environment X-ray diffractometer Detector motion in horizontal scattering plane SAXS detector stage (distance from 10 to 20 m) WAXS detector stage ( distance 3. 5 and 7 m , 2θ up to 60º) Vacuum chamber 1. 4. 7 Installation LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 14 Aymeric Robert aymeric@slac. stanford. edu

1. 4 WBS 1. 4 X-ray Correlation Spectroscopy 1. 4. 1 Phys. Support Eng. Integration 1. 4. 2 X-Ray Optics 1. 4. 3 Detector System 1. 4. 2. 1 Monochromator 1. 4. 2. 2 Focusing Optic 1. 4. 2. 3 Slit System 1. 4. 2. 4 Attenuator Filters 1. 4. 2. 5 Collimator LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 15 1. 4. 3. 1 2 D Detector 1. 4. 4 Lab Facilities 1. 4. 6 Sample Environments 1. 4. 5 Vacuum 1. 4. 7 Installation 1. 4. 4. 1 Electrical 1. 4. 5. 1 Vacuum hardware 1. 4. 6. 1 Diffractometer 1. 4. 7. 1 Non-recurring Engineering 1. 4. 4. 2 Control Room Furniture 1. 4. 5. 2 X-ray Transport 1. 4. 6. 2 Vacuum Chamber 1. 4. 7. 2 Early Installation 1. 4. 4. 3 Hutch Furniture 1. 4. 5. 3 Vacuum Supports 1. 4. 4. 4 Radiation Physics 1. 4. 5. 4 Bellows 1. 4. 7. 3 Initial Optics & Instrument Installation Aymeric Robert aymeric@slac. stanford. edu

XCS Milestones CD-1 Conceptual Design Complete CD-2 b CD-3 b Receive Offset monochromator Receive Sample Environment Install BNL XCS Detector Installation Complete CD-4 b LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 16 Aug 01, 07 Jul 14, 09 Oct 01, 09 Mar 31, 10 Jul 14, 11 Aug 14, 11 Sep 30, 11 Nov 14, 11 Mar 30, 12 Aymeric Robert aymeric@slac. stanford. edu

XCS Cost Estimate LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 17 Aymeric Robert aymeric@slac. stanford. edu

Summary Instrument concept is advanced Instrument concepts is based on proven developments made at SR sources Initial specification well developed Ready to proceed with baseline cost and schedule development LUSI DOE Review July 23, 2007 XCS (WBS 1. 4) 18 Aymeric Robert aymeric@slac. stanford. edu