LCLS project update. John Arthur. LCLS Photon Systems Manager
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1 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
2 Construction >78% complete FY02 FY03 FY04 FY05 1 FY06 FY07 2 FY08 FY09 FY10 Total TEC OPC TPC 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
3 LCLS accelerator is nearly finished Commissioning Complete 9/2007 Commissioning Complete 3/ June
4 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 γε x = 0.83, γε y = 0.83
5 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 ΔE/E jitter < 0.1% ΔQ/Q jitter < 2%
6 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 LLNL Hard X-Ray Offset mirror system Start of Experimental Hutches
7 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
8 Beam Transport Hall 2 June
9 Beam Transport Hall facing west 2 June
10 UNDULATOR HALL 2 June
11 Near Experimental Hall 2 June
12 NEAR EXPERIMENTAL HALL SUBBASEMENT 2 June
13 Far Hall rebar lattice Tunnel construction complete 25 April June
14 AMO Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. John Bozek jdbozek@slac.stanford.edu 2 June
15 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
16 XPP Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. David Fritz dmfritz@slac.stanford.edu 2 June
17 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
18 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
19 XPP will live in Hutch 3 Near Experimental Hall AMO XPP X-ray Transport Tunnel XCS CXI Far Experimental Hall 2 June
20 CXI Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. Sebastien Boutet sboutet@slac.stanford.edu 2 June
21 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
22 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
23 CXI will live in Hutch 5 Far Experimental Hall HED XCS Coherent X-ray Imaging Instrument 2 June
24 XCS Instrument QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. Aymeric Robert aymeric@slac.stanford.edu 2 June
25 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
26 XCS will live in Hutch 4 Far Experimental Hall CXI HED XCS 2 June
27 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
28 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
29 LCLS 2 June
30 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 PPS Linac/BC2 Commissioning Re-commission Inj/BC2 to SL2 LTU/Und Comm. FEE Comm. AMO Experiment program begins 2 June
31 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 ~ 1 ~ 0.1 ~ Å FEL ~ 1 ~ 0.1 ~ units kev GW % fs mj % % % fs % 2 June
32 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
33 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/ June
34 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
35 Web site 2 June
36 User info 2 June
37 Proposal submission Web-based process Register, get password by 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
38 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 June
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