David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 1 X-ray Pump-Probe (WBS 1.2) David Fritz System Specifications System Description Instrument Layout X-ray Optics &Diagnostics Sample Environments Detectors Laser System Costs and Schedule Summary System Specifications System Description Instrument Layout X-ray Optics &Diagnostics Sample Environments Detectors Laser System Costs and Schedule Summary
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 2 Science Team Specifications and instrument concept developed with the science team. The XPP team leaders Kelly Gaffney, Photon Science, SLAC (leader) Jorgen Larsson, Lund Institute of Technology, Sweden David Reis, University of Michigan Thomas Tschentscher, DESY, Germany Specifications and instrument concept developed with the science team. The XPP team leaders Kelly Gaffney, Photon Science, SLAC (leader) Jorgen Larsson, Lund Institute of Technology, Sweden David Reis, University of Michigan Thomas Tschentscher, DESY, Germany
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 3 X-ray Pump-Probe Science Phase Transitions Order / Disorder Metal/Insulator Phonon Dynamics Charge Transfer Reactions Photosynthesis Photovoltaics Vision Photoactive Proteins Phase Transitions Order / Disorder Metal/Insulator Phonon Dynamics Charge Transfer Reactions Photosynthesis Photovoltaics Vision Photoactive Proteins photo- excitation Stampfli and Bennemann Phys. Rev. B 49, 7299 (1994) photo- excitation
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 4 Accelerating Elements Experimental Pump Laser Electron Gun Master Clock RF Distribution Network Laser/FEL Timing Sources of Short Term Jitter E-beam phase to RF phase jitter Electron beam energy jitter + dispersive electron optics End station laser phase to RF Phase ~ 1 ps limit Sources of Short Term Jitter E-beam phase to RF phase jitter Electron beam energy jitter + dispersive electron optics End station laser phase to RF Phase ~ 1 ps limit
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 5 Traditional Pump-probe Delay will be achieved by optical delay and/or RF phase shift Resolution limited by LCLS/laser jitter ~ 1 ps limit Delay will be achieved by optical delay and/or RF phase shift Resolution limited by LCLS/laser jitter ~ 1 ps limit
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 6 Single Shot Pump-Probe time (fs) diffracted intensity Limited to X-ray diffraction Need ‘large’ effects Imaging resolution affects temporal resolution Limited to X-ray diffraction Need ‘large’ effects Imaging resolution affects temporal resolution
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 7 Non-sequential Sampling 100 consecutive shots Single shot, Lorentzian fit Diagnostic required to measure LCLS/laser timing EOS demonstrated at SPPS Diagnostic required to measure LCLS/laser timing EOS demonstrated at SPPS
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 8 Non-sequential Sampling
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 9 XPP SCOPE - WBS 1.2 Scope/CD-1 Estimate Includes: Physics support & engineering integration X-ray optics – monochromator, focusing optics, slit systems, attenuators Ultrafast laser system Detectors - 2D detector from BNL by MOU, Emission Spectrometer Sample environments - diffractometer system, thermal environments, vacuum environment Laboratory facilities Vacuum system Installation Diagnostics (WBS 1.5) Controls and data system (WBS 1.6)
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 10 System Specifications Secondary Slits Wide Angle Stage Small Angle Stage Photon Shutter Primary Slits Diagnostics Focusing Lenses Attenuators Photon Shutter Diagnostics Diffractometer Monochromator NEH Hutch 3 Diagnostics Photon Shutter Diagnostics Laser Port FEE ItemPurposeSpecification Large Offset Monochromator Multiplex FEL radiation, Narrow FEL spectrum 600 mm offset, ≤ 10-4 spectral bandwidth Slits/Apertures Beam definition, Beam halo cleaning 0.25 mm accuracy, 1 mm repeatability Attenuators Control incident x-ray flux Variable, up to 10 6 reduction Diagnostics Intensity Monitor, Position Monitor 0.1% relative intensity measurement, < 5% incident x-ray attenuation Be Focusing Lenses Increase incident x-ray flux 2-10 mm, mm spot size at 1.5 Å, 2-10 mm spot size at 0.5 Å Laser SystemPhotoexcitation of samples Ultrafast pulse duration (<50 fs), Up to 20 mJ pulse energy at 800 nm, 120 Hz repetition rate X-ray Diffractometer Sample orientation Kappa diffractometer, Platform diffractometer Wide Angle Detector Stage Move the detector in reciprocal space Spherical detector motion at a cm radius Small Angle Detector Stage Collect SAXS patterns 2.5, 5, and 10 m Sample-to-detector distance, 0.5 m horizontal detector motion 2D Detector from BNL by MOU Provide 2D pixelated detection capability 1024 x1024 pixels, 120 Hz frame/s, dynamic range >10 3, single-photon sensitivity, pixel size 90x90 mm 2
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 11 XPP Instrument Location XCS AMO (LCLS) CXI XPP Endstation
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 12 Offset Monochromator Laser System (Fundamental) X-ray Diffractometer Wavelength Conversion Small Angle Scattering
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 13 XPP System Description Physics support and engineering integration X-ray optics Laser system Detector Sample environments Laboratory facilities Vacuum system Installation Physics support and engineering integration X-ray optics Laser system Detector Sample environments Laboratory facilities Vacuum system Installation
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout X-ray Optics Double crystal offset monochromator Narrows x-ray spectrum for resonant scattering experiments Multiplexes LCLS beam (mono. beam, diagnostic beam) Double crystal offset monochromator Narrows x-ray spectrum for resonant scattering experiments Multiplexes LCLS beam (mono. beam, diagnostic beam) ParameterValue Energy Range6 – 24 keV Horizontal Offset600 mm Scattering Angle Accuracy 0.02 arcsec χ Accuracy4 arcsec Scattering Angles (2 theta) 1.5 Å0.5 Å Silicon °9.1° Silicon °14.9° Diamond °13.9° Diamond °
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout X-ray Optics Beryllium lens focusing optic Variable spot size from 2-10 µm and keV Variable spot size from keV > 40% throughput Positioning resolution and repeatability to 1 µm Beryllium lens focusing optic Variable spot size from 2-10 µm and keV Variable spot size from keV > 40% throughput Positioning resolution and repeatability to 1 µm Lens Mono 190 m 4 m
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout X-ray Optics Slit systems Variable horizontal and vertical gap from 5 μm – 5 mm Can withstand full LCLS flux – unfocused Minimize background scatter from blades Slit systems Variable horizontal and vertical gap from 5 μm – 5 mm Can withstand full LCLS flux – unfocused Minimize background scatter from blades B. Lengeler et al., J. Synchrotron Rad., 6, (1999).
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout X-ray Optics Attenuators Variable, up to 10 6 reduction High damage threshold (Be or B 4 C) Attenuators Variable, up to 10 6 reduction High damage threshold (Be or B 4 C)
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Level 4 Direct Costs Dollars x 1k WeeksDirect Dollars PEDASSYPEDM & SASSY X-ray Optics Mono Be Lens Slits Atten Coll
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Laser System
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Laser System Ti:Sapphire Oscillator & Power Amplifiers Compressor, OPA, Harmonic Generation, Delay Stage
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Laser System Ti:Sapphire Oscillator 119 MHz rep. rate, <30 fs ~ 2.5 nJ/pulse Frequency stabilized to LCLS RF < 300 fs rms phase jitter Demonstrated at SPPS Ti:Sapphire Oscillator 119 MHz rep. rate, <30 fs ~ 2.5 nJ/pulse Frequency stabilized to LCLS RF < 300 fs rms phase jitter Demonstrated at SPPS Cavity Length Stabilization Mirror
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Laser System Power Amplifiers Regenerative amplifier ~ 2.5 mJ (< 1% rms stability), 120 Hz, < 50 fs Multipass amplifier ~ 20 mJ (< 1.5% rms stability), 120 Hz, < 50 fs Second Compressor External Pockels Cell Arbitrary laser pulse train structure Power Amplifiers Regenerative amplifier ~ 2.5 mJ (< 1% rms stability), 120 Hz, < 50 fs Multipass amplifier ~ 20 mJ (< 1.5% rms stability), 120 Hz, < 50 fs Second Compressor External Pockels Cell Arbitrary laser pulse train structure
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Laser System Temporal Pulse Shaper Create complex excitation pulse envelopes Multi-pulses Compression optimization Temporal Pulse Shaper Create complex excitation pulse envelopes Multi-pulses Compression optimization
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Laser System Laser Diagnostics Temporal and spectral characterization Grenouille – Real time pulse duration, spectrum 3 rd Order Correlator – Contrast ratio Energy characterization Per pulse Joule meter, 120 Hz, 1% accuracy Spatial characterization Profile monitor at a “virtual” sample, 5 μ m resolution Laser Diagnostics Temporal and spectral characterization Grenouille – Real time pulse duration, spectrum 3 rd Order Correlator – Contrast ratio Energy characterization Per pulse Joule meter, 120 Hz, 1% accuracy Spatial characterization Profile monitor at a “virtual” sample, 5 μ m resolution
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Level 4 Direct Costs Dollars x 1k WeeksDirect Dollars PEDASSYPEDM & SASSY 1.2.3Laser System , Oscillator Amplifiers Pulse Shaper Optics & Optomechanics Vacuum Transport Diagnostics Hutch Optical Tables Timing System Optical Experiements Containment OPA Lab Optical Tables4831
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Detectors D detector (BNL) 1024 x 1024 pixels 90 micron pixel size High Detector Quantum Efficiency (DQE) 10 4 dynamic range at 8 keV 120 Hz Readout Rate D detector (BNL) 1024 x 1024 pixels 90 micron pixel size High Detector Quantum Efficiency (DQE) 10 4 dynamic range at 8 keV 120 Hz Readout Rate
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Detectors Dispersive X-ray Emission Spectrometer eV dynamic range ~ 1 eV energy resolution Single Shot Capability Dispersive X-ray Emission Spectrometer eV dynamic range ~ 1 eV energy resolution Single Shot Capability U. Bergmann and R. Frahm, TDR XFEL workshop series “Methods and Instrumentation for the XFEL”, 52, (2001).
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Level 4 Direct Costs Dollars x 1k WeeksDirect Dollars PEDASSYPEDM & SASSY Detectors , D Detector (BNL) 33861, Emission Spectrometer
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Sample Environments X-ray Diffractometer Operate in both direct and monochromatic beam Sample orientation & translation Accommodate various sample environments X-ray Diffractometer Operate in both direct and monochromatic beam Sample orientation & translation Accommodate various sample environments
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Sample Environments X-ray Diffractometer Operate in both direct and monochromatic beam Detector motion about a spherical surface centered at sample (variable radius from 0.1 m to 1.5 m) X-ray Diffractometer Operate in both direct and monochromatic beam Detector motion about a spherical surface centered at sample (variable radius from 0.1 m to 1.5 m)
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Sample Environments X-ray Diffractometer SAXS - 10 µrad angular resolution with XAMPS detector Detector translation Operate in both direct and monochromatic beam X-ray Diffractometer SAXS - 10 µrad angular resolution with XAMPS detector Detector translation Operate in both direct and monochromatic beam
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Sample Environments Cold Finger Cryostat System 10 – 350 K Temperature Range 0.1 K Temperature Stability >7 W cooling capacity at 20 K Vacuum shroud Optical and x-ray windows (collinear & non-collinear geometry) Decoupled sample motion Cold Finger Cryostat System 10 – 350 K Temperature Range 0.1 K Temperature Stability >7 W cooling capacity at 20 K Vacuum shroud Optical and x-ray windows (collinear & non-collinear geometry) Decoupled sample motion Det. Array Collinear Geometry Det. Array Non-collinear Geometry
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Sample Environments Cryostream System K Temperature Range < 1 K Temperature Stability Cryostream System K Temperature Range < 1 K Temperature Stability
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Level 4 Direct Costs Dollars x 1k WeeksDirect Dollars PEDASSYPEDM & SASSY Sample Env Diffractometer Cryostats Liquid Jet Vac.Chamber
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout , & Laboratory facilities Vacuum system Hardware-flanges, pumps, bellows,… Vacuum supports Installation Laboratory facilities Vacuum system Hardware-flanges, pumps, bellows,… Vacuum supports Installation
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 36 X-ray Diagnostics Transmissive Intensity Monitor > 95 % Transmission Relative accuracy < 0.1% Flourescent Screeens Diodes Transmissive Intensity Monitor > 95 % Transmission Relative accuracy < 0.1% Flourescent Screeens Diodes
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 37 Laser/FEL Timing Electro-optic Sampling Laser Pump-probe Laser LTUNEH Gun Laser Sector 20 Stabilized Fiber Optic RF Distribution (10 fs) LBNL Electro-optic Sampling Enhanced Temporal Resolution (~ 100 fs) Limited by our ability to phase lock the lasers to the RF backbone Limited by Intra-bunch SASE jitter Electro-optic Sampling Enhanced Temporal Resolution (~ 100 fs) Limited by our ability to phase lock the lasers to the RF backbone Limited by Intra-bunch SASE jitter
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 38 Laser/FEL Timing Diagnostic Beam for Direct Timing Measurement Permits destructive x-ray timing measurement in hutch Same exctitation laser can be used Diagnostic Beam for Direct Timing Measurement Permits destructive x-ray timing measurement in hutch Same exctitation laser can be used 600mm Transmitted Beam 85% 8keV Diagnostic Beam 1.3% Mono. Beam 2.5%
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 39 Key Technological Choices 1.Diamond vs. Silicon Monochromator Crystal - Absorption, Damage vs. Quality 2.Flexure vs. Piezo Monochromator Rotation Stage - Stability vs. Range 3.Robot Arm vs. Rotary Stage Detector Mover - Reciprocal Space Access vs. Control, Safety 4.Hexapod vs. Stages Sample Manipulator - Range of Motion vs. Stability, Control 5.Ti:Sapphire Oscillator vs. Fiber Oscillator - Bandwidth vs. Synchronization 1.Diamond vs. Silicon Monochromator Crystal - Absorption, Damage vs. Quality 2.Flexure vs. Piezo Monochromator Rotation Stage - Stability vs. Range 3.Robot Arm vs. Rotary Stage Detector Mover - Reciprocal Space Access vs. Control, Safety 4.Hexapod vs. Stages Sample Manipulator - Range of Motion vs. Stability, Control 5.Ti:Sapphire Oscillator vs. Fiber Oscillator - Bandwidth vs. Synchronization
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 40 XPP Schedule in Primavera 3.1
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 41 XPP Milestones CD-1Aug 01, 07 Conceptual Design CompleteSep 21, 07 CD-2aDec 03, 07 CD-3a Jul 21, 08 Phase I Final Design Complete Oct 15, 08 Receive DiffractometerFeb 19, 09 Receive Focusing LensesFeb 27, 09 Receive Laser Optics and DiagnosticsMar 18, 09 Phase I Installation CompleteOct 01, 09 Install BNL XPP DetectorNov 03, 09 CD-4aFeb 08, 10 CD-1Aug 01, 07 Conceptual Design CompleteSep 21, 07 CD-2aDec 03, 07 CD-3a Jul 21, 08 Phase I Final Design Complete Oct 15, 08 Receive DiffractometerFeb 19, 09 Receive Focusing LensesFeb 27, 09 Receive Laser Optics and DiagnosticsMar 18, 09 Phase I Installation CompleteOct 01, 09 Install BNL XPP DetectorNov 03, 09 CD-4aFeb 08, 10
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 42 XPP Cost Estimate
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 43 WBS XPP Cost estimate at level 3 by fiscal year –
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout Level 3 Costs (M$)
David Fritz LUSI DOE Review July 23-24, 2007 XPP (WBS 1.2) Breakout 45 Summary Instrument concept is advanced 100% of Letters of Intent are represented in instrument concept Standing monthly meeting with XPP team Instrument concept is based on proven developments made at SPPS and SR sources Initial specifications well developed Ready to proceed with baseline cost and schedule development Instrument concept is advanced 100% of Letters of Intent are represented in instrument concept Standing monthly meeting with XPP team Instrument concept is based on proven developments made at SPPS and SR sources Initial specifications well developed Ready to proceed with baseline cost and schedule development