LCLS project update LCLS Photon Systems Manager LCLS major construction nearly finished Technical systems turning on with good performance Experimental instruments Expectations for early operation First solicitation of User proposals 2 June 2008 1
Construction >78% complete FY02 FY03 FY04 FY05 1 FY06 FY07 2 FY08 FY09 FY10 Total TEC 0 5.93 7.46 49.67 84.69 101.16 51.35 36.50 15.24 352.00 OPC 1.50 0 2.00 4.00 3.50 13.00 15.50 17.00 11.50 68.00 TPC 1.50 5.93 9.46 53.67 88.19 114.16 66.85 53.50 26.74 420.00 1 FY2005 TEC funding includes $29,760,000 for long lead procurements. 2 FY07 TPC funding reflects the ~$8M reduction as a result of the FY2007 CR and directed change. 2 June 2008 2
LCLS accelerator is nearly finished Commissioning Complete 9/2007 Commissioning Complete 3/2008 2 June 2008 3
Injector Emittance Measured Over 3 Days (0.25 nc) OTR screen at 135 MeV injector injector is is stable stable γε x = 0.91, γε y = 1.01 γε x γε y J. Welch wire-scanner at 250 MeV after BC1 2 June 2008 4 γε x = 0.83, γε y = 0.83
Normalized phase space centroid jitter after BC1 (~5% of rms beam size) 1-σ beam size RMS A xn = 4.9% RMS A yn = 4.1% Stability is not so far off of our goals (~10%) D. Ratner near end of linac (~15% of rms beam size, but sometimes larger) RMS A xn = 19.9% RMS A yn = 8.5% accelerator accelerator is is stable stable poor poor BPM BPM resolution resolution Q = 0.25 nc 2 June 2008 5 ΔE/E jitter < 0.1% ΔQ/Q jitter < 2%
X-ray front end optics being assembled at LLNL All mirrors ordered; soft X-ray mirror figure meets spec Gas Detector Hard x-ray Monochromator Solid (K Spectrometer) Attenuator 5 mm collimator Direct Imager Soft X-Ray Offset mirror system e - Muon Shield Slit Gas Attenuator Gas Detector Pulse Energy Thermal Detector 2 June 2008 6 LLNL Hard X-Ray Offset mirror system Start of Experimental Hutches
Conventional Facilities >80% complete Linac-to-Undulator (227m) Undulator Hall (175m) Beam Dump (40M) Near Expt l. Hall Far Expt l. Hall Front End (29m) X-ray Transport (200m) 14 m Near Experimental Hall 64.6 m 2 June 2008 7
Beam Transport Hall 2 June 2008 8
Beam Transport Hall facing west 2 June 2008 9
UNDULATOR HALL 2 June 2008 10
Near Experimental Hall 2 June 2008 11
NEAR EXPERIMENTAL HALL SUBBASEMENT 2 June 2008 12
Far Hall rebar lattice Tunnel construction complete 25 April 2008 2 June 2008 13
AMO Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. John Bozek jdbozek@slac.stanford.edu 2 June 2008 14
LUSI Status Instrument scientists on board Successful DOE Conceptual Design Review But budget is not increasing as expected FY2008 budget reduced from $10M to $6M 2009 funding will surely be delayed until mid-2009 Who knows about 2010? Some scope cuts made, schedule impact being assessed Next review late summer 2008 will give baseline for XPP, CXI, XCS 2 June 2008 15
XPP Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. David Fritz dmfritz@slac.stanford.edu 2 June 2008 16
XPP Diffractometer XPP Diffractometer Requirements 30 micron sample sphere of confusion < 100 micron detector sphere of confusion (< 1 pixel) 10 cm 100 cm sample to detector distance Accommodate large sample environments (up to 50 kg) 2 June 2008 17
XPP Detector System 2D detector (BNL) 1024 x 1024 pixels 90 micron pixel size High Detector Quantum Efficiency (DQE) 10 4 dynamic range per pixel at 8 kev 120 Hz readout 2 June 2008 18
XPP will live in Hutch 3 Near Experimental Hall AMO XPP X-ray Transport Tunnel XCS CXI Far Experimental Hall 2 June 2008 19
CXI Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. Sebastien Boutet sboutet@slac.stanford.edu 2 June 2008 20
CXI 0.1 µm focus KB mirrors 100 nm focus is required for imaging small particles Focal length First mirror 900 mm Second mirror 500 mm Focus 68 x 120 nm spot Requires reentrant KB design Closest point of approach to interaction region = 300 mm 2 June 2008 21
CXI Detector (Cornell) 2D Pixel Array Detector Si diode array bump-bonded to CMOS ASIC Tiled detector permits variable hole size Collaboration with the Gruner Group at Cornell University 2 June 2008 22
CXI will live in Hutch 5 Far Experimental Hall HED XCS Coherent X-ray Imaging Instrument 2 June 2008 23
XCS Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. Aymeric Robert aymeric@slac.stanford.edu 2 June 2008 24
Split and Delay J. Schneider G. Grübel W. Roseker Provided by by DESY/SLAC MoU Prototype existing Delay up up to to 3 ns ns based on on Si Si (511) E=8.389 kev kev 2 June 2008 25
XCS will live in Hutch 4 Far Experimental Hall CXI HED XCS 2 June 2008 26
Future - Beam Sharing SXP Electron Dump S0 PPS Stopper Set Moveable Dump X- Ray Mirror X-Ray Crystal Primary Movable Elements Experiment M1S FEE M2S M3/4S Horizontal Offset Mirrors S1 S2 SH 1 SXR Hutch 1 Hutch 2 Hutch 3 SXP Near Experimental Hall LCLS AM O LUSI S3 X3 SH 2 X-Ray Tunnel Soft x-ray experiments will require exclusive use of beam Ability to split/share the hard X-ray beam with thin crystals XPP Pos2 XPP Pos1 X4 M6 S4 S5 S6 Far Experimental Hall LUSI Hutch 4 XPC S Pos2 XPC S Pos1 LUSI Hutch 5 CXI Hutch HED 2 June 2008 27
LCLS expansion priorities First projects Gun test facility Soft X-ray FEL for End Station A Use rest of SLAC linac Upstream 2km could provide 28 GeV Additional tunnels/undulators/halls 2 June 2008 28
LCLS 2 June 2008 29
LCLS Installation and Commissioning Time-Line PEP-II run ends now LTU/Und/Dump Install PPS Cert. LTU/Dump FEE/NEH Install First Light in FEE X-Rays in NEH FEH Hutch BO FEH Install First Light in FEH CD-4 (7/31/2010) JJ F M A M J J A S ON D J F M AM A M J J A S O N D J F M A M J J 2008 Down 2009 2010 PPS Linac/BC2 Commissioning Re-commission Inj/BC2 to SL2 LTU/Und Comm. FEE Comm. AMO Experiment program begins 2 June 2008 30
Parameter Latest estimates of 2009 FEL performance Photon energy FEL fundamental power Rel.. FEL bandwidth (FWHM) Photon pulse duration (FWHM) Energy per pulse Number of photons/0.1%-bw Peak brightness (0.1%-BW/s/mm 2 /mrad 2 ) Average brightness (at 30 Hz) Relative power in 3 rd harmonic Relative power in 5 th harmonic Energy jitter Timing jitter Pointing jitter 15 Å FEL 0.84 6-9 0.3 100 0.6-0.9 1.6 2.3 3-4 0.8 1.2 ~ 1 ~ 0.1 ~ 0.1 50 15-20 5 Å FEL 2.5 8-13 0.2 80 0.6-1 0.8-1.3 16-26 4-6 ~ 1 ~ 0.1 ~ 0.1 50 15-20 units kev GW % fs mj 10 12 10 31 10 20 % % % fs % 2 June 2008 31
Target Running Schedule Operation Hours 2009: AMO, SXR 2010: AMO, SXR, XPP 2011: AMO, SXR, XPP, CXI 2012: AMO, SXR, XPP, CXI, XCS HEDS? 2 June 2008 32
Startup - LCLS User Program Pre-Proposal Workshops 6/2008 Initial Call (AMO): ~6/2008 Proposals due, 1 st round: 9/1/2008 Notification to users: ~11/2008 Schedule setting: 1-3/2009 2 June 2008 33
The User Interface to LCLS Start with LCLS web site Technical information Links to LCLS technical, administrative contacts Web-based proposal submission Proposal review Internal review for feasibility, safety concerns External review for scientific merit Beam time scheduling About 6 mo before experiment Welcome to LCLS User Admin staff handles documents, safety training Instrument support staff helps experiment work 2 June 2008 34
Web site http://lcls.slac.stanford.edu/ 2 June 2008 35
User info http://lcls.slac.stanford.edu/amo/amotechoverview.aspx 2 June 2008 36
Proposal submission Web-based process Register, get password by email Log into user site Input proposal information Basic admin, technical, safety info Upload proposal and supporting documents PDF format ONLY User site under test, opening very soon 2 June 2008 37
Summary The LCLS construction is nearing completion 4 experimental instruments will be completed by 2012 First experiments in late 2009 Performance is expected to be very good First proposals solicited Summer 2008 2 June 2008 38