The Linac Coherent Light Source (LCLS) 22 February 2003
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Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center The Linac Coherent Light Source (LCLS) John N. Galayda, Stanford Linear Accelerator Center 22 February 2003 Introduction Project description Facilities Capabilities Readiness for construction Assessment of Scientific Case Early operations BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 1 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center The World’s First Hard X-ray Laser BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 2 John N. Galayda, SLAC Galayda@slac.stanford.edu Introduction Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Introduction Linac Coherent Light Source 1992: Proposal (C. Pellegrini) 1998: Preliminary Design Study Completed 1999: R&D funded at $1.5M/year BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 3 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Introduction Linac Coherent Light Source 2001: CD-0 Approval of Mission Need 2002: Conceptual Design http://www-ssrl.slac.stanford.edu/lcls/CDR/ 2002: CD-1 Approval of Baseline range, start of engineering design BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 4 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Introduction Linac Coherent Light Source 2003: Project Engineering Design begins 2005: Long-Lead Procurements begin 2006: Construction begins 2007: First Light 2008: Project completion Near Hall Far Hall BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 5 John N. Galayda, SLAC Galayda@slac.stanford.edu Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Linac Coherent Light Source Project Description Linac Coherent Light Source Project Description FFTB Tunnel SLAC Linac Undulator Hall Near Hall RF Gun Gun-to-Linac Two Chicanes for bunch compression Far Hall Cathode Load Lock L0 Linacs L0-1 Gun Solenoid L0-2 Linac Solenoid Matching Section Scale: 5 meters Quadrupole, typ. RF Transverse Deflector DL1 Bend BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 Linac Center Line 6 Sector 20 John N.Linacs Galayda, SLAC Emittance Energy Wire Wire Scanners Galayda@slac.stanford.edu Scanner & OTR Sector 21-1B Straight Ahead Tune-Up Dump Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Project Description Linac Coherent Light Source Photon Beam Handling Systems X-ray Transport, Optics and Diagnostics Front end systems – attenuators, shutters, primary diagnostics Optics – the prerequisites for LCLS experiments X-ray endstation systems Hutches, Personnel Protection Computer facilities for experiments Laser for pump/probe experiments Detectors matched to LCLS requirements Essential Infrastructure for the LCLS Experimental Program BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 7 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Capabilities Project Description Spectral coverage: 0.15-1.5 nm BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 8 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Capabilities Project Description Spectral coverage: 0.15-1.5 nm To 0.5 nm in 3rd harmonic Peak Brightness: 1033 Photons/pulse: 1012 Average Brightness: 3 x 1022 Pulse duration: <230 fs Pulse repetition rate: 120 Hz BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 9 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Capabilities Project Description Spectral coverage: 0.15-1.5 nm To 0.5 nm in 3rd harmonic Peak Brightness: 1033 Photons/pulse: 1012 Average Brightness: 3 x 1022 Pulse duration: <230 fs Pulse repetition rate: 120 Hz Upgrade – more bunches/pulse BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 10 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Science Assessment Assessment of Scientific Case 1997 Birgeneau-Shen BESAC Report DOE Synchrotron Radiation Sources and Science Among the highest priority recommendations: funding an R&D program in nextgeneration light sources and convening another BESAC panel to focus on this topic. 1999 Leone BESAC Report Novel, Coherent Light Sources concluded: “Given currently available knowledge and limited funding resources, the hard X-ray region (8-20 keV or higher) is identified as the most exciting potential area for innovative science. DOE should pursue the development of coherent light source technology in the hard X-ray region as a priority. This technology will most likely take the form of a linac-based free electron laser using self-amplified stimulated emission or some form of seeded stimulated emission…” BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 11 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source •Presented to BESAC 10-Oct-2000 Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Femtochemistry •Critical Decision 0 approved 13-June 2001 Science Assessment Nanoscale Dynamics in Condensed matter t= t=0 Atomic Physics Aluminum plasma classical plasma Plasma and Warm Dense Matter G =1 G =10 dense plasma G =100 high density matter 10- 4 Program developed by international team of scientists working with accelerator and laser physics communities 10-2 1 10 2 10 4 Density (g/cm-3) Structural Studies on Single Particles and Biomolecules FEL Science/Technology “the beginning.... not the end” BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 12 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Firm basis for design and cost estimate LLNL UCLA Gun Design R&D at SSRL gun test Facility Readiness Undulator Prototype has met specifications Chicane for advanced accelerator R&D with ultrashort electron bunches Cost-effective magnet fabrication techniques developed for NLC BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 Optics Fabrication Techniques Ongoing tests at SSRL 13 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center LCLS R&D Collaboration Readiness FEL Theory, FEL Experiments, Accelerator R&D, Gun Development, Undulator R&D LLNL UCLA BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 14 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center LCLS Project Engineering Design Organization Project Management John Galayda - Project Director L. Klaisner, Chief Engineer FEL Physics . C. Pellegrini, UCLA H. D. Nuhn, SLAC UCLA Institutional Liaison-System Managers John Arthur, SLAC-SSRL Paul Emma, SLAC Cecile Limborg, SLAC-SSRL ES&H: Ian Evans SLAC Radiation Physics: S. Rokni, S. Mao, A. Prinz Electron Beam Systems QA PMCS Photon Beam Systems Injector David Dowell, SLAC X-ray Transport, Optics,Diagnostics R. Bionta, LLNL . . Linac Vinod Bharadwaj, SLAC X-ray Endstation Systems Jerry Hastings, SLAC-SSRL Conventional Facilities David Saenz, SLAC Undulator Stephen Milton BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 15 John N. Galayda, SLAC Galayda@slac.stanford.edu Readiness Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Department of Energy Review 23-25 April 2002 Readiness Review of Conceptual Design http://www-ssrl.slac.stanford.edu/lcls/CDR/ Prerequisite for Critical Decision 1, Approval of Preliminary Baseline Range Charge to Committee Is the conceptual design sound and likely to meet the technical performance requirements? Are the project’s scope and specifications sufficiently defined to support preliminary cost and schedule estimates? Are the cost and schedule estimates credible and realistic for this stage of the project? Do they include adequate contingency margins? Is the project being managed(I.e., properly organized, adequately staffed) as needed to begin Title I design? Are the ES&H aspects being properly addressed given the project’s current stage of development? BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 16 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Department of Energy Review, 23-25 April 2002 Readiness 17 reviewers, 6 DOE observers 50 presentations by about 30 speakers Reviewer Subpanels: Accelerator Physics – Sam Krinsky, BNL Injector/Linac – Richard Sheffield, LANL + George Neil, JLAB Undulator – Kem Robinson, LBNL + Pascal Elleaume, ESRF Photon Beam Systems – Steve Leone, U of CO + Dennis Mills, ANL Controls Systems – Dave Gurd, ORNL Conventional Facilities- Valerie Roberts, LLNL + Jim Lawson, ORNL Cost/Schedule – John Dalzell, PNNL Project Management – Jay Marx, LBNL+E. DeSaulnier + Ben Feinberg, LBNL ES&H – Frank Kornegay, ORNL + Clarence Hickey, DOE/SC BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 17 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Department of Energy Review, 23-25 April 2002 Readiness Conclusions CDR is superb Cost estimate is credible “In summary, the Committee found that the LCLS conceptual design to be sound, and the scope was adequately defined to support the cost and schedule estimates, which were judged to be credible. The LCLS Management Team is experienced and capable of leading the project to a successful conclusion.” BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 18 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Estimated Cost, Schedule Readiness $200M-$240M Total Estimated Cost range $245M-$295M Total Project Cost range Schedule: FY2003 Authorization to begin engineering design Emphasis on injector and undulator FY2005 Long-lead purchases for injector, undulator FY2006 Construction begins January 2007 Injector tests begin October 2007 FEL tests begin September 2008 Construction complete BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 19 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center SLAC-DESY/TESLA FEL Collaboration Readiness January 2000 Memorandum of Understanding SLAC-DESY-KEK FEL R&D SLAC will deliver a bunch length measurement system to TTF Expanded SLAC-DESY Collaboration, November 1 2002 Sub-Picosecond Photon Source at SLAC (SPPS) 9 kev x-rays using SLAC linac and Final Focus Test Beam 12/2002-5/2003 DESY personnel participate in commissioning 2003-2006 DESY will join in SPPS experiments TESLA Test Facility 2003-2004 SLAC personnel will participate in commissioning 2005-2006 SLAC participation in experiments to control temporal coherence LCLS 2007-2008 TESLA-XFEL Participation in tests of optics TESLA 2011—SLAC participation in TESLA-XFEL Commissioning BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 20 John N. Galayda, SLAC Galayda@slac.stanford.edu Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Linac Coherent Light Source Short Bunch Diagnostics Tests Planned for TESLA, SLAC P. Emma, J. Frisch, P. Krejcik, G. Loew, X.-J. Wang 2.44 m V(t) e- Tested at SLAC RF ‘streak’ sx S-band sz Added to TTF-II D 90° Beam pipe Added To SPPS Electron bunch Co-propagating Laser pulse Tested at TTF Polarizer EO Crystal wl Spectrometer Analyzer I t Initial laser chirp Readiness t Bunch charge BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 21 ws Gated spectral signal John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center News from DESY A more modest start for the TESLA XFEL Laboratory 20 GeV linac (17 MV/m) 3 FEL undulator sources 2 Spontaneous undulator sources 4000 bunches in 800 s train @10 Hz (5 Hz to each undulator) €684M (FY2000, including 2,800FTE at €50K ea.) + €25M startup New Technical Design Report, budget submitted to German Science Council- DESY 2002-167, TDR Annex German Science/Education Ministry Authorizes Start of TESLA Planning http://www.desy.de/html/aktuelles/tesla_entscheidung_en.html Germany to bear 50% of cost--balance sought from European partner countries ~2 Years to secure European support 7 years for construction BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 22 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center LCLS Science Program Instrument Proposals will be developed by leading research teams with SSRL involvement – Approval process patterned after SNS Proposals will be reviewed by the LCLS Scientific Advisory Committee Research teams secure outside funding with SSRL participation and sponsorship as appropriate SSRL will manage construction Provides cost and schedule control, rationalized design Provides basis for establishing maintenance and support infrastructure SSRL will partner with research teams to commission endstations “General user” mode with beam time allocation based on SAC recommendations BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 23 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center LCLS Early Operations Characterize performance of Prototype optics Damage to optics closest optical elements Mirror power handling Focus Timing stability Commission end stations In partnership with Instrument Design Teams BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 24 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center LCLS Early Operations Development Operations development - Shorter Pulses 100 fs electron bunch Shorter x-ray pulse Transport and lasing of a “chirped” electron beam Slice output pulse with monochromator, 10 fs FEL Science and Technology Program Simultaneous beam delivery to multiple endstations Mirrors at back of Near Hall (learn to handle the power) 40 Hz to 3 end stations in the far hall Chirped-pulse seeding 10 fs pulse with improved amplitude stability BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 25 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center SASE Light Pulse length LCLS Simulation SASE light pulse shorter than electron bunch TTF x-ray pulse length data BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 LCLS Studies ongoing re: controllability 26 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Simultaneous Delivery of Beam to 3 Endstations Final Focus Test Beam Extension Hall A Tunnel Hall B Damage Power density Wavelength Obliquity BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 27 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center LCLS in the Future Expandability, upgrade ability of the LCLS Higher peak brightness Multiple endstations per undulator Multiple undulators Higher average brightness BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 28 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center Conclusions Idea in 1992 Scientific Justification 1996-2001 Conceptual Design 2002 Ready for Construction Operations can begin in 2009 A powerful and versatile Scientific tool for the next 20 years So much to be learned in the first experiments BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 29 John N. Galayda, SLAC Galayda@slac.stanford.edu Linac Coherent Light Source Stanford Synchrotron Radiation Laboratory Stanford Linear Accelerator Center End of Presentation BESAC Subcommittee on BES 20-Year Facilities Roadmap The Linac Coherent Light Source – 22 February 2003 30 John N. Galayda, SLAC Galayda@slac.stanford.edu
