BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update1
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Linac Coherent Light Source UpdateJohn N. Galayda, Stanford Linear Accelerator Center
5 November 2002
Linac Coherent Light Source UpdateJohn N. Galayda, Stanford Linear Accelerator Center
5 November 2002
OverviewOverview
Project StatusProject Status
LCLS user workshopLCLS user workshop
Collaboration with TESLACollaboration with TESLA
Project R&DProject R&D
OverviewOverview
Project StatusProject Status
LCLS user workshopLCLS user workshop
Collaboration with TESLACollaboration with TESLA
Project R&DProject R&D
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update2
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
OverviewOverview
The world’s The world’s first first hard x-ray laser hard x-ray laser
Unprecedented brightness, Unprecedented Unprecedented brightness, Unprecedented time resolutiontime resolution
0.8 – 8 keV SASE Free Electron Laser0.8 – 8 keV SASE Free Electron Laser
Electron beam 4.5 – 14.35 GeV, from SLAC LinacElectron beam 4.5 – 14.35 GeV, from SLAC Linac
Peak power in SASE bandwidth 8 GWPeak power in SASE bandwidth 8 GW
Peak brightness 10Peak brightness 103333 photons/(mm photons/(mm22 mr mr22 0.1%BW) 0.1%BW)
Pulse duration Pulse duration 230 femtoseconds 230 femtoseconds
Pulse repetition rate 120 HzPulse repetition rate 120 Hz
The world’s The world’s first first hard x-ray laser hard x-ray laser
Unprecedented brightness, Unprecedented Unprecedented brightness, Unprecedented time resolutiontime resolution
0.8 – 8 keV SASE Free Electron Laser0.8 – 8 keV SASE Free Electron Laser
Electron beam 4.5 – 14.35 GeV, from SLAC LinacElectron beam 4.5 – 14.35 GeV, from SLAC Linac
Peak power in SASE bandwidth 8 GWPeak power in SASE bandwidth 8 GW
Peak brightness 10Peak brightness 103333 photons/(mm photons/(mm22 mr mr22 0.1%BW) 0.1%BW)
Pulse duration Pulse duration 230 femtoseconds 230 femtoseconds
Pulse repetition rate 120 HzPulse repetition rate 120 Hz
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update3
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
LCLSOperatingRanges
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update4
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Linac CenterLine
Sector 20 Linacs
Straight AheadTune-Up Dump
Sector 21-1B
5 meters
Scale:
L0-1
L0-2
RF TransverseDeflector
EmittanceWire Scanners Energy Wire
Scanner & OTR
Matching Section
Quadrupole,typ.
RFGun
Cathode LoadLock
DL1 Bend
Linac Solenoid
Gun Solenoid
Gun-to-Linac
L0 Linacs
Linac Coherent Light Source
1992: Proposal (C. Pellegrini)1998: Preliminary Design Study Completed1999: R&D funded at $1.5M/year2001: CD-02002: Conceptual Design http://www-ssrl.slac.stanford.edu/lcls/CDR/2003: Project Engineering Design begins2005: Long-Lead Procurements begin2006: Construction begins2007: First Light2008: Project completion
SLAC Linac
Two Chicanes for bunch compression
FFTB TunnelUndulator Hall
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update5
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Conventional ConstructionConventional Construction
Final Focus Test Beam ExtensionFinal Focus Test Beam Extension
Hall AHall A
TunnelTunnel
Hall BHall B
Final Focus Test Beam ExtensionFinal Focus Test Beam Extension
Hall AHall A
TunnelTunnel
Hall BHall B
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update6
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Estimated Cost, ScheduleEstimated Cost, Schedule
$200M-$240M Total Estimated Cost $200M-$240M Total Estimated Cost rangerange
$245M-$295M Total Project Cost range$245M-$295M Total Project Cost range
Schedule:Schedule:FY2003FY2003 Authorization to begin engineering design Authorization to begin engineering design
Emphasis on injector and undulatorEmphasis on injector and undulator
FY2005 FY2005 Long-lead purchases for injector, undulatorLong-lead purchases for injector, undulator
FY2006 Construction beginsFY2006 Construction begins
January 2007 January 2007 Injector tests beginInjector tests begin
October 2007October 2007 FEL tests beginFEL tests begin
September 2008 September 2008 Construction completeConstruction complete
$200M-$240M Total Estimated Cost $200M-$240M Total Estimated Cost rangerange
$245M-$295M Total Project Cost range$245M-$295M Total Project Cost range
Schedule:Schedule:FY2003FY2003 Authorization to begin engineering design Authorization to begin engineering design
Emphasis on injector and undulatorEmphasis on injector and undulator
FY2005 FY2005 Long-lead purchases for injector, undulatorLong-lead purchases for injector, undulator
FY2006 Construction beginsFY2006 Construction begins
January 2007 January 2007 Injector tests beginInjector tests begin
October 2007October 2007 FEL tests beginFEL tests begin
September 2008 September 2008 Construction completeConstruction complete
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update7
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Construction StrategyConstruction Strategy
2003 – Project Engineering Design Begins2003 – Project Engineering Design Begins$6M budget$6M budget
Prepare for Long-lead procurements in 2005Prepare for Long-lead procurements in 2005UndulatorUndulator
Gun LaserGun Laser
Injector Linac SystemsInjector Linac Systems
Spring 2003 – review of plans for long lead procurementsSpring 2003 – review of plans for long lead procurementsCD-2A Go-ahead requiredCD-2A Go-ahead required
Spring 2004 – Complete Preliminary Design of LCLSSpring 2004 – Complete Preliminary Design of LCLSCD-2 requirements complete for entire projectCD-2 requirements complete for entire project
October 2004 – begin long-lead procurementsOctober 2004 – begin long-lead procurements
Summer 2005 – Critical Decision 3 – Approve start of Summer 2005 – Critical Decision 3 – Approve start of constructionconstruction
Winter 2007 – Begin FEL commissioningWinter 2007 – Begin FEL commissioning
October 2008 – Project CompleteOctober 2008 – Project Complete
2003 – Project Engineering Design Begins2003 – Project Engineering Design Begins$6M budget$6M budget
Prepare for Long-lead procurements in 2005Prepare for Long-lead procurements in 2005UndulatorUndulator
Gun LaserGun Laser
Injector Linac SystemsInjector Linac Systems
Spring 2003 – review of plans for long lead procurementsSpring 2003 – review of plans for long lead procurementsCD-2A Go-ahead requiredCD-2A Go-ahead required
Spring 2004 – Complete Preliminary Design of LCLSSpring 2004 – Complete Preliminary Design of LCLSCD-2 requirements complete for entire projectCD-2 requirements complete for entire project
October 2004 – begin long-lead procurementsOctober 2004 – begin long-lead procurements
Summer 2005 – Critical Decision 3 – Approve start of Summer 2005 – Critical Decision 3 – Approve start of constructionconstruction
Winter 2007 – Begin FEL commissioningWinter 2007 – Begin FEL commissioning
October 2008 – Project CompleteOctober 2008 – Project Complete
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update8
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
2002 2003 2004 2005 2006 FY2008 FY2009
Preliminary SchedulePreliminary Schedule
ConstructionConstruction OperatioOperationn
DesignDesignFY2001 FY2002 FY2003 FY2004 FY2005 FY2006 FY2007
CD-1
CD-2a
CD-2b
CD-3a
CD-3b
Critical Decision 0 – Mission Need June 13, 2001Critical Decision 1 – Preliminary Baseline Range September 2002Start Project Engineering Design October 2002Critical Decision 2a – Long-Lead Procurement Budget Spring 2003Critical Decision 2b – Performance Baseline April 2004Critical Decision 3a – Start Long-Lead Procurements August 2004Fund Long-Lead Procurements October 2004Critical Decision 3b – Start Construction August 2005Fund Construction October 2005Construction Complete End of FY2008
CD-0
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update9
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Project Planning/Approval StatusProject Planning/Approval Status
Critical Decision 1 Approved 16 October 2002Critical Decision 1 Approved 16 October 2002Conceptual Design is judged soundConceptual Design is judged sound
Preliminary Hazard Analysis acceptedPreliminary Hazard Analysis accepted
Acquisition Execution Plan acceptedAcquisition Execution Plan accepted
Preliminary Project Execution Plan acceptedPreliminary Project Execution Plan accepted
Project Engineering Design Funds - $6M requested in Project Engineering Design Funds - $6M requested in 20032003
LCLS PED funds are in House and Senate Committee LCLS PED funds are in House and Senate Committee MarkupsMarkups
LCLS PED is considered a LCLS PED is considered a New StartNew StartAllocation under the continuing resolution budget is $0Not quite as bad as it sounds
Critical Decision 1 Approved 16 October 2002Critical Decision 1 Approved 16 October 2002Conceptual Design is judged soundConceptual Design is judged sound
Preliminary Hazard Analysis acceptedPreliminary Hazard Analysis accepted
Acquisition Execution Plan acceptedAcquisition Execution Plan accepted
Preliminary Project Execution Plan acceptedPreliminary Project Execution Plan accepted
Project Engineering Design Funds - $6M requested in Project Engineering Design Funds - $6M requested in 20032003
LCLS PED funds are in House and Senate Committee LCLS PED funds are in House and Senate Committee MarkupsMarkups
LCLS PED is considered a LCLS PED is considered a New StartNew StartAllocation under the continuing resolution budget is $0Not quite as bad as it sounds
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update10
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Workshop – Experimental Opportunities with LCLS – 8-9 October 2002 Workshop – Experimental Opportunities with LCLS – 8-9 October 2002
The LCLS Project is in its initial phase with a construction start scheduled for FY 2006. The DOE is planningThe LCLS Project is in its initial phase with a construction start scheduled for FY 2006. The DOE is planningto provide specific funding for construction of experiments after Critical Decision 3 (start of LCLS to provide specific funding for construction of experiments after Critical Decision 3 (start of LCLS construction) has been taken, expected in mid 2005 calendar year. However, DOE will, starting in FY2003, construction) has been taken, expected in mid 2005 calendar year. However, DOE will, starting in FY2003, review and fund proposals for research needed to design an LCLS experiment. The purpose of this review and fund proposals for research needed to design an LCLS experiment. The purpose of this Planning Workshop is to provide prospective LCLS researchers with the information necessary to start the Planning Workshop is to provide prospective LCLS researchers with the information necessary to start the experiment planning process. It will also mark the beginning of a dialog between future LCLS experimenters experiment planning process. It will also mark the beginning of a dialog between future LCLS experimenters and the Project Team that will shape the development of the LCLS from conceptual design to running and the Project Team that will shape the development of the LCLS from conceptual design to running facility. facility.
30 Attendees, including “first Experiments” co-authors30 Attendees, including “first Experiments” co-authors Discussed Proposal/Review SequenceDiscussed Proposal/Review Sequence LCLS Scientific Advisory Committee, chaired by Roger Falcone, UCBLCLS Scientific Advisory Committee, chaired by Roger Falcone, UCB Identification of R&D needs prerequisite to proposalsIdentification of R&D needs prerequisite to proposals Timing and related diagnosticsTiming and related diagnostics DetectorsDetectors Damage studiesDamage studies
The LCLS Project is in its initial phase with a construction start scheduled for FY 2006. The DOE is planningThe LCLS Project is in its initial phase with a construction start scheduled for FY 2006. The DOE is planningto provide specific funding for construction of experiments after Critical Decision 3 (start of LCLS to provide specific funding for construction of experiments after Critical Decision 3 (start of LCLS construction) has been taken, expected in mid 2005 calendar year. However, DOE will, starting in FY2003, construction) has been taken, expected in mid 2005 calendar year. However, DOE will, starting in FY2003, review and fund proposals for research needed to design an LCLS experiment. The purpose of this review and fund proposals for research needed to design an LCLS experiment. The purpose of this Planning Workshop is to provide prospective LCLS researchers with the information necessary to start the Planning Workshop is to provide prospective LCLS researchers with the information necessary to start the experiment planning process. It will also mark the beginning of a dialog between future LCLS experimenters experiment planning process. It will also mark the beginning of a dialog between future LCLS experimenters and the Project Team that will shape the development of the LCLS from conceptual design to running and the Project Team that will shape the development of the LCLS from conceptual design to running facility. facility.
30 Attendees, including “first Experiments” co-authors30 Attendees, including “first Experiments” co-authors Discussed Proposal/Review SequenceDiscussed Proposal/Review Sequence LCLS Scientific Advisory Committee, chaired by Roger Falcone, UCBLCLS Scientific Advisory Committee, chaired by Roger Falcone, UCB Identification of R&D needs prerequisite to proposalsIdentification of R&D needs prerequisite to proposals Timing and related diagnosticsTiming and related diagnostics DetectorsDetectors Damage studiesDamage studies
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update11
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
LCLS Science Program based on the SSRL ModelLCLS Science Program based on the SSRL Model
Experiment Proposals will be developed by leading research Experiment Proposals will be developed by leading research teams with SSRL involvementteams with SSRL involvement
Proposals will be reviewed by the LCLS Scientific Advisory Proposals will be reviewed by the LCLS Scientific Advisory CommitteeCommittee
Research teams secure outside funding with SSRL participation Research teams secure outside funding with SSRL participation and sponsorship as appropriateand sponsorship as appropriate
SSRL will manage constructionSSRL will manage constructionProvides cost and schedule control, rationalized designProvides cost and schedule control, rationalized design
Provides basis for establishing maintenance and support Provides basis for establishing maintenance and support infrastructureinfrastructure
SSRL will partner with research teams to commission SSRL will partner with research teams to commission endstationsendstations
““General user” mode with beam time allocation based on SAC General user” mode with beam time allocation based on SAC recommendationsrecommendations
Experiment Proposals will be developed by leading research Experiment Proposals will be developed by leading research teams with SSRL involvementteams with SSRL involvement
Proposals will be reviewed by the LCLS Scientific Advisory Proposals will be reviewed by the LCLS Scientific Advisory CommitteeCommittee
Research teams secure outside funding with SSRL participation Research teams secure outside funding with SSRL participation and sponsorship as appropriateand sponsorship as appropriate
SSRL will manage constructionSSRL will manage constructionProvides cost and schedule control, rationalized designProvides cost and schedule control, rationalized design
Provides basis for establishing maintenance and support Provides basis for establishing maintenance and support infrastructureinfrastructure
SSRL will partner with research teams to commission SSRL will partner with research teams to commission endstationsendstations
““General user” mode with beam time allocation based on SAC General user” mode with beam time allocation based on SAC recommendationsrecommendations
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update12
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Workshop – Experimental Opportunities with LCLS – 8-9 October 2002Workshop – Experimental Opportunities with LCLS – 8-9 October 2002
Proposal sequenceProposal sequenceLCLS actionsLCLS actions
Prepare proposal guidelinesPrepare proposal guidelines
Call for letters of intent Call for letters of intent
Target late Spring Target late Spring 20032003 for submission deadline for submission deadline
LCLS Scientific Advisory Committee ReviewLCLS Scientific Advisory Committee Review
Request Pre-proposal R&D funds if necessaryRequest Pre-proposal R&D funds if necessary
Proposals reviewed by SACProposals reviewed by SAC
DOE will review/approve proposals in 2005 time frameDOE will review/approve proposals in 2005 time frame
Proposal sequenceProposal sequenceLCLS actionsLCLS actions
Prepare proposal guidelinesPrepare proposal guidelines
Call for letters of intent Call for letters of intent
Target late Spring Target late Spring 20032003 for submission deadline for submission deadline
LCLS Scientific Advisory Committee ReviewLCLS Scientific Advisory Committee Review
Request Pre-proposal R&D funds if necessaryRequest Pre-proposal R&D funds if necessary
Proposals reviewed by SACProposals reviewed by SAC
DOE will review/approve proposals in 2005 time frameDOE will review/approve proposals in 2005 time frame
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update13
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
SLAC-DESY/TESLA FEL CollaborationSLAC-DESY/TESLA FEL Collaboration
1 November SLAC/DESY FEL Collaboration Workshop1 November SLAC/DESY FEL Collaboration Workshop1 November SLAC/DESY FEL Collaboration Workshop1 November SLAC/DESY FEL Collaboration Workshop
Albrecht Hermann Ray JonathanWagner Schunck Orbach DorfanDirector Ministry of DOE Office DirectorDESY Science/Education of Science SLAC
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update14
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
SLAC-DESY/TESLA FEL CollaborationSLAC-DESY/TESLA FEL Collaboration
January 2000 Memorandum of UnderstandingJanuary 2000 Memorandum of UnderstandingSLAC-DESY-KEKSLAC-DESY-KEK FEL R&DFEL R&D
SLAC will deliver a bunch length measurement system to TTFSLAC will deliver a bunch length measurement system to TTF
Expanded SLAC-DESY Collaboration, November 1 2002Expanded SLAC-DESY Collaboration, November 1 2002Sub-Picosecond Photon Source at SLAC (SPPS)Sub-Picosecond Photon Source at SLAC (SPPS)
9 kev x-rays using SLAC linac and Final Focus Test Beam9 kev x-rays using SLAC linac and Final Focus Test Beam12/2002 DESY personnel will participate in commissioning12/2002 DESY personnel will participate in commissioning2003-2006 DESY will join in SPPS experiments2003-2006 DESY will join in SPPS experiments
TESLA Test FacilityTESLA Test Facility2003-2004 SLAC personnel will participate in commissioning2003-2004 SLAC personnel will participate in commissioning2005-2006 SLAC participation in experiments to control temporal 2005-2006 SLAC participation in experiments to control temporal coherencecoherence
LCLSLCLS2007-2008 TESLA-XFEL Participation in tests of optics2007-2008 TESLA-XFEL Participation in tests of optics
TESLATESLA2011—SLAC participation in TESLA-XFEL Commissioning2011—SLAC participation in TESLA-XFEL Commissioning
January 2000 Memorandum of UnderstandingJanuary 2000 Memorandum of UnderstandingSLAC-DESY-KEKSLAC-DESY-KEK FEL R&DFEL R&D
SLAC will deliver a bunch length measurement system to TTFSLAC will deliver a bunch length measurement system to TTF
Expanded SLAC-DESY Collaboration, November 1 2002Expanded SLAC-DESY Collaboration, November 1 2002Sub-Picosecond Photon Source at SLAC (SPPS)Sub-Picosecond Photon Source at SLAC (SPPS)
9 kev x-rays using SLAC linac and Final Focus Test Beam9 kev x-rays using SLAC linac and Final Focus Test Beam12/2002 DESY personnel will participate in commissioning12/2002 DESY personnel will participate in commissioning2003-2006 DESY will join in SPPS experiments2003-2006 DESY will join in SPPS experiments
TESLA Test FacilityTESLA Test Facility2003-2004 SLAC personnel will participate in commissioning2003-2004 SLAC personnel will participate in commissioning2005-2006 SLAC participation in experiments to control temporal 2005-2006 SLAC participation in experiments to control temporal coherencecoherence
LCLSLCLS2007-2008 TESLA-XFEL Participation in tests of optics2007-2008 TESLA-XFEL Participation in tests of optics
TESLATESLA2011—SLAC participation in TESLA-XFEL Commissioning2011—SLAC participation in TESLA-XFEL Commissioning
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update15
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Common Challenges- High Brightness Electron SourcesCommon Challenges- High Brightness Electron Sources
•Photocathode•Laser•Numerical techniques for gun design•Verification with experiment•Diagnostic Techniques
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update16
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Photocathode Gun R&DPhotocathode Gun R&D
MOD1
KLY-1
GTFLASERROOM
GTFRF GUN
SSRL BOOSTER RING
MOD2
KLY-2MOD3
KLY-3
GTFCONTROLROOM
8 m LaserTransport System
SSRL Injector Vault
Gun R&DBNL/SLAC/UCLA Gun has been provenas an FEL driver at BNL-ATF and ANL
Basis of KEK, Frascati FEL designs
Design verification at the SSRL Gun Test Facility Limborg, C. et al., “PARMELA versus Measurements for GTF and DUVFEL” Proceedings of the 2002 European Particle Accelerator Conference, Paris 3-7 June 2002, pp. 1786-1788
-1.5 -1 -0.5 0 0.5 10
50
100
150
Time (ps)
Pea
k C
urre
nt (
A)
Instantaneous Peak Current
5 100
1
2
Slice Emittances n (
mm
mra
d)
Slice number
300pC head tail
Spectrometer Imageof Slice Quad Scan Data
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update17
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
SLAC linac tunnelSLAC linac tunnel Undulator HallUndulator Hall
Linac-0Linac-0L L =6 m=6 m
Linac-1Linac-1L L =9 m=9 m
Linac-2Linac-2L L =330 m=330 m
Linac-3Linac-3L L =550 m=550 m
BC-1BC-1L L =6 m=6 m
BC-2BC-2L L =22 m=22 m
DL-2DL-2L L =66 m=66 m
DL-1DL-1L L =12 m=12 m
UndulatorUndulatorL L =121.8 m=121.8 m
150 MeV150 MeVz z 0.83 mm 0.83 mm 0.10 %0.10 %
250 MeV250 MeVz z 0.19 mm 0.19 mm 1.8 %1.8 %
4.54 GeV4.54 GeVz z 0.023 mm 0.023 mm 0.76 %0.76 %
4.54-14.35 GeV4.54-14.35 GeVz z 0.023 mm 0.023 mm 0.02 %0.02 %
...existing linac...existing linac
newnew
RFRFGunGun
25-1a25-1a30-8c30-8c
21-1b21-1b21-1d21-1d XX
Linac-Linac-XXL L =0.6 m=0.6 m
21-3b21-3b24-6d24-6d
BeamBeamDumpDump
Exp HallsExp Halls
1.5 1.5 ÅÅ8 GW8 GW
z z 0.023 0.023 mmmm15 15 ÅÅ
17 GW17 GWz z 0.023 0.023
mmmm
140 MeV 500 MeV
2.5 GeV
7 MeV7 MeVz z 0.83 mm 0.83 mm 0.2 %0.2 %
Common Challenges - Acceleration/CompressionCommon Challenges - Acceleration/Compression
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update18
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Common Challenge – Coherent Synchrotron RadiationCommon Challenge – Coherent Synchrotron Radiation
s
xx
bend-plane emittance growthJanuary 14-18, 2002 at DESY-Zeuthen (Berlin, GERMANY)
Chicane CSR Test-CaseChicane CSR Test-Case
Coherent Synchrotron Radiation•Theory•Numerical computations:
•ANL, SLAC, TESLA, JLAB, ENEA
•Experiment•Short, high current bunchesS. Heifets, S. Krinsky, G. Stupakov, SLAC-PUB 9165, March 2002S. Heifets, S. Krinsky, G. Stupakov, SLAC-PUB 9165, March 2002
Z. Huang, K. J. Kim, PRSTAB Z. Huang, K. J. Kim, PRSTAB 55 074401(2002) 074401(2002)
E. Saldin, et al. TESLA-FEL 2002-2 (submitted to NIM)E. Saldin, et al. TESLA-FEL 2002-2 (submitted to NIM)
SC-wiggler SC-wiggler damps damps
bunchingbunching
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update19
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Coherent Synchrotron RadiationCoherent Synchrotron Radiation
Definitive work in Coherent Synchrotron Radiation theory, modeling
(After BC1)
Theory (wig OFF)Theory (wig ON)Tracking (wig OFF)Tracking (wig ON)
RR
e–
zz
coherent radiation forcoherent radiation forzz
overtaking length:overtaking length: L L00 (24 (24zzRR22))1/31/3
LL00
Z. Huang, et al. PRSTAB 5, 074401 (2002)S. Heifets, et al. SLAC-PUB-9165, 3/2002P. Emma,2002 European Part. Accel. Conf.
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update20
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Short Bunch Diagnostics Tests Planned for TESLA, SLACShort Bunch Diagnostics Tests Planned for TESLA, SLAC
P. Emma,P. Emma,J. Frisch,J. Frisch,P. Krejcik,P. Krejcik,G. Loew,G. Loew,X.-J. WangX.-J. Wang
ee
zz
2.44 m2.44 m
90°90°
VV((tt))xx
RFRF‘‘streak’streak’
SS-band-band
Initial laser chirp
Polarizer AnalyzerEO Crystal
Bunch charge Gated spectral signal
Spectrometer
l
t t s
I
Electron bunch
Co-propagatingLaser pulse
Beam pipe
Tested atSLAC
TestedatTTF
Added toTTF-II
AddedToSPPS
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update21
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
SASE Light Pulse lengthSASE Light Pulse length
LCLS Simulation
TTF x-ray pulse length data
SASE light pulse shorter than electron bunch
LCLS Studies ongoing re: controllability
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update22
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Common Goals – Seeding, Harmonic GenerationCommon Goals – Seeding, Harmonic Generation
52 m52 m43 m43 m
ee
30 m30 m
SiSi monochromator monochromator((TT = 40%) = 40%)
230 fs 10 fs
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
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Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
News from DESYNews from DESY
A more modest start for the TESLA XFEL Laboratory20 GeV linac
3 FEL undulator sources
2 Spontaneous undulator sources
New Technical Design Report, budget submitted to German Science Council
DESY 2002-167, TDR to be released shortly
More results from TTF: http://www.aps.anl.gov/fel2002/talks/talks.htmlJ. Schulz, Coulomb Explosion of Rare Gas Clusters Irradiated by Intense VUV Pulses of a Free Electron Laser
J. Krzywinski, Interaction of Intense, Femtosecond Soft X-ray Pulses with Solids: Desorption, Ablation and
Plasma Formation by TTF FEL SASE Radiation
A more modest start for the TESLA XFEL Laboratory20 GeV linac
3 FEL undulator sources
2 Spontaneous undulator sources
New Technical Design Report, budget submitted to German Science Council
DESY 2002-167, TDR to be released shortly
More results from TTF: http://www.aps.anl.gov/fel2002/talks/talks.htmlJ. Schulz, Coulomb Explosion of Rare Gas Clusters Irradiated by Intense VUV Pulses of a Free Electron Laser
J. Krzywinski, Interaction of Intense, Femtosecond Soft X-ray Pulses with Solids: Desorption, Ablation and
Plasma Formation by TTF FEL SASE Radiation
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update24
[email protected]@slac.stanford.edu
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Sub-Picosecond Pulse SourceSub-Picosecond Pulse Source
9 ps9 ps 0.4 ps0.4 ps<100 fs<100 fs
50 ps50 ps
SLAC LinacSLAC Linac
1 GeV1 GeV 20-50 GeV20-50 GeV
FFTBFFTB
12-meter chicane compressor 12-meter chicane compressor 12-meter chicane compressor 12-meter chicane compressor 5-meter undulator5-meter undulator5-meter undulator5-meter undulator
Ultrafast laser/x-ray physics - the Sub-Picosecond Photon Source
The SPPS collaboration will develop experimental techniques essential to LCLS science•Synchronization•Short pulse diagnostics for x-ray beams•Control of timing and pulse length
•Chicane installed•Wiggler inside FFTB tunnel•Construction of x-ray beamline underway•Chicane tests November-December 2002•X-ray experiments begin May 2003
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
The Linac Coherent Light Source UpdateThe Linac Coherent Light Source Update25
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Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Undulator R&DUndulator R&D
8004000-400-800Z(mm)
-2.0
-1.0
0.0
1.0
2.0
Hor
izon
tal T
raje
ctor
y(µ
)
Horizontal Trajectory
Mic
ron
s
LCLS Undulator Prototype
•Prototype construction complete•Field quality specifications met•Ongoing investigation of thermal stability
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
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ConclusionConclusion
LCLS poised to start Project Engineering DesignLCLS poised to start Project Engineering DesignPED for FY2003 - Preliminary design of undulator, injector – PED for FY2003 - Preliminary design of undulator, injector – CD-2ACD-2A
LCLS Collaboration well-matched to LCLS challengesLCLS Collaboration well-matched to LCLS challengesAccelerator science and technologyAccelerator science and technology
Synchrotron radiation research and instrumentationSynchrotron radiation research and instrumentation
Project management experienceProject management experience
Experiment Program Planning underway, based on Experiment Program Planning underway, based on successful SSRL modelsuccessful SSRL model
LCLS pre-proposal R&D requests starting FY2003LCLS pre-proposal R&D requests starting FY2003
Proposals for LCLS science in FY2006-FY2006 Proposals for LCLS science in FY2006-FY2006
LCLS poised to start Project Engineering DesignLCLS poised to start Project Engineering DesignPED for FY2003 - Preliminary design of undulator, injector – PED for FY2003 - Preliminary design of undulator, injector – CD-2ACD-2A
LCLS Collaboration well-matched to LCLS challengesLCLS Collaboration well-matched to LCLS challengesAccelerator science and technologyAccelerator science and technology
Synchrotron radiation research and instrumentationSynchrotron radiation research and instrumentation
Project management experienceProject management experience
Experiment Program Planning underway, based on Experiment Program Planning underway, based on successful SSRL modelsuccessful SSRL model
LCLS pre-proposal R&D requests starting FY2003LCLS pre-proposal R&D requests starting FY2003
Proposals for LCLS science in FY2006-FY2006 Proposals for LCLS science in FY2006-FY2006
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
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Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Fundamental FEL Radiation WavelengthFundamental FEL Radiation Wavelength 1.51.5 15 15 ÅÅElectron Beam EnergyElectron Beam Energy 14.3 14.3 4.5 4.5 GeVGeVNormalized RMS Slice Emittance 1.2 1.2 1.2 1.2 mm-mm-
mradmradPeak Current 3.4 3.4 kABunch/Pulse Length (FWHM) 230 230 fsRelative Slice Energy Spread @ EntranceRelative Slice Energy Spread @ Entrance <0.01 <0.01 0.025 0.025 %%Saturation LengthSaturation Length 87 87 25 25 mmFEL Fundamental Saturation Power @ ExitFEL Fundamental Saturation Power @ Exit 8 8 17 17 GWGWFEL Photons per PulseFEL Photons per Pulse 1.1 1.1 29 29 10101212
Peak Brightness @ Undulator ExitPeak Brightness @ Undulator Exit 0.8 0.8 0.06 0.06 101033 33 **Transverse CoherenceTransverse Coherence Full Full Full FullRMS Slice X-Ray BandwidthRMS Slice X-Ray Bandwidth 0.06 0.06 0.24 0.24 %%RMS Projected X-Ray BandwidthRMS Projected X-Ray Bandwidth 0.13 0.13 0.47 0.47 %% * photons/sec/mm* photons/sec/mm22/mrad/mrad22/ 0.1%-BW/ 0.1%-BW
Selected LCLS Baseline Design ParametersSelected LCLS Baseline Design Parameters
BESAC Meeting 5 November 2002BESAC Meeting 5 November 2002 John N. Galayda, SLACJohn N. Galayda, SLAC
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End of Presentation
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