opening comments and charge 19 january 2004 [email protected] linac coherent light source...
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LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20041
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
LCLS Undulator Diagnostics and Comissioning Workshop
John N. Galayda, Stanford Linear Accelerator Center19 January 2004
LCLS Undulator Diagnostics and Comissioning Workshop
John N. Galayda, Stanford Linear Accelerator Center19 January 2004
Challenges of Commissioning the FELChallenges of Commissioning the FELAlignmentAlignment
Undulator KUndulator K
Undulator DamageUndulator Damage
Undulator DiagnosticsUndulator DiagnosticsCommissioningCommissioning
OperationOperation
ChargeCharge
Challenges of Commissioning the FELChallenges of Commissioning the FELAlignmentAlignment
Undulator KUndulator K
Undulator DamageUndulator Damage
Undulator DiagnosticsUndulator DiagnosticsCommissioningCommissioning
OperationOperation
ChargeCharge
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20042
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
The World’s First Hard X-ray Laser The World’s First Hard X-ray Laser IntroductionIntroduction The World’s First Hard X-ray Laser The World’s First Hard X-ray Laser IntroductionIntroduction
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20043
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Near Hall
Far Hall
FEL Center
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20044
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Conventional ConstructionConventional Construction
TransportUndulatorNear HallTunnelFar Hall3 Beams/mirror
FEL Center Lab/OfficeFEL Center Lab/Office
ExpansionExpansion
Room forRoom forSpontaneous source or soft XRFEL in RSYSpontaneous source or soft XRFEL in RSYAdditional undulator in LCLS tunnelAdditional undulator in LCLS tunnel8 or more additional undulator lines8 or more additional undulator lines
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20045
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Conventional ConstructionConventional Construction
TransportTransport
UndulatorUndulator
Near HallNear Hall
TunnelTunnel
Far HallFar Hall
3 Beams/mirror3 Beams/mirror
FEL Center Lab/OfficeFEL Center Lab/Office
What are cost implications of moving beam dump and near hall backward, placingthe Near Hall ground floor underneath the FEL Center?
What are the cost implications of moving the Far Hall further east?
How do the dimensions of the Far Hall affect cost?
50m >288m ?
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20046
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Estimated Cost, ScheduleEstimated Cost, Schedule
$220M-$260M$220M-$260M Total Estimated Cost Total Estimated Cost rangerange
$$265M-$315M265M-$315M Total Project Cost range Total Project Cost range
Schedule:Schedule:FY2003FY2003 Authorization to begin engineering design Authorization to begin engineering design
Emphasis on injector and undulatorEmphasis on injector and undulator
FY2005 FY2005 Long-lead purchases for injector, undulatorLong-lead purchases for injector, undulator
FY2006 Construction beginsFY2006 Construction begins
January 2007 January 2007 Injector tests beginInjector tests begin
October 2007October 2007 FEL tests beginFEL tests begin
September 2008 September 2008 Construction completeConstruction complete
$220M-$260M$220M-$260M Total Estimated Cost Total Estimated Cost rangerange
$$265M-$315M265M-$315M Total Project Cost range 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
Readiness
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20047
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Challenges for Diagnostics in the Undulator ChannelChallenges for Diagnostics in the Undulator Channel
Tolerances on Trajectory are Tight for SASE at 1.5ÅTolerances on Trajectory are Tight for SASE at 1.5ÅBeam-based alignment, RFBPMs must deliver a good Beam-based alignment, RFBPMs must deliver a good trajectorytrajectory
Tolerance on K of an undulator is around 1.5 x 10Tolerance on K of an undulator is around 1.5 x 10-4-4
Equivalent to 50 micron vertical misplacementEquivalent to 50 micron vertical misplacement
This displacement does little to the electron opticsThis displacement does little to the electron optics
This displacement does little to the spontaneous spectrum This displacement does little to the spontaneous spectrum of 1 und.of 1 und.
Piezo end tuners provide adjustment equivalent to K~ 4x10Piezo end tuners provide adjustment equivalent to K~ 4x10--
44
Radiation Damage to Undulators is a ConcernRadiation Damage to Undulators is a ConcernInterlocks will be implemented but tolerable losses are lowInterlocks will be implemented but tolerable losses are low
Can the diagnostics identify a damaged undulator?Can the diagnostics identify a damaged undulator?
Tolerances on Trajectory are Tight for SASE at 1.5ÅTolerances on Trajectory are Tight for SASE at 1.5ÅBeam-based alignment, RFBPMs must deliver a good Beam-based alignment, RFBPMs must deliver a good trajectorytrajectory
Tolerance on K of an undulator is around 1.5 x 10Tolerance on K of an undulator is around 1.5 x 10-4-4
Equivalent to 50 micron vertical misplacementEquivalent to 50 micron vertical misplacement
This displacement does little to the electron opticsThis displacement does little to the electron optics
This displacement does little to the spontaneous spectrum This displacement does little to the spontaneous spectrum of 1 und.of 1 und.
Piezo end tuners provide adjustment equivalent to K~ 4x10Piezo end tuners provide adjustment equivalent to K~ 4x10--
44
Radiation Damage to Undulators is a ConcernRadiation Damage to Undulators is a ConcernInterlocks will be implemented but tolerable losses are lowInterlocks will be implemented but tolerable losses are low
Can the diagnostics identify a damaged undulator?Can the diagnostics identify a damaged undulator?
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20048
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Charge – Will the Undulator Diagnostics Serve Commissioning and Operations Needs for the LCLS?Will the Undulator Diagnostics Serve Commissioning and Operations Needs for the LCLS? Charge – Will the Undulator Diagnostics Serve Commissioning and Operations Needs for the LCLS?Will the Undulator Diagnostics Serve Commissioning and Operations Needs for the LCLS?
CommissioningCommissioningCan diagnostics be used to troubleshoot the new hardware?Can diagnostics be used to troubleshoot the new hardware?Can diagnostics be used to guide path to saturation?Can diagnostics be used to guide path to saturation?
OperationsOperationsWill the diagnostics permit simple and speedy troubleshooting?Will the diagnostics permit simple and speedy troubleshooting?Reliability/Availability goals of the LCLS will be those of a light Reliability/Availability goals of the LCLS will be those of a light source source
Light diagnostics are crucialLight diagnostics are crucialCan the diagnostics survive at high power?Can the diagnostics survive at high power?If not, are we placing too heavy a reliance on data taken with low If not, are we placing too heavy a reliance on data taken with low charge?charge?
What are the alternatives?What are the alternatives?Variable gap?Variable gap?Rollaway undulators?Rollaway undulators?
Do we have redundant diagnostics capability where appropriate?Do we have redundant diagnostics capability where appropriate?Diagnostics that check the diagnosticsDiagnostics that check the diagnostics
CommissioningCommissioningCan diagnostics be used to troubleshoot the new hardware?Can diagnostics be used to troubleshoot the new hardware?Can diagnostics be used to guide path to saturation?Can diagnostics be used to guide path to saturation?
OperationsOperationsWill the diagnostics permit simple and speedy troubleshooting?Will the diagnostics permit simple and speedy troubleshooting?Reliability/Availability goals of the LCLS will be those of a light Reliability/Availability goals of the LCLS will be those of a light source source
Light diagnostics are crucialLight diagnostics are crucialCan the diagnostics survive at high power?Can the diagnostics survive at high power?If not, are we placing too heavy a reliance on data taken with low If not, are we placing too heavy a reliance on data taken with low charge?charge?
What are the alternatives?What are the alternatives?Variable gap?Variable gap?Rollaway undulators?Rollaway undulators?
Do we have redundant diagnostics capability where appropriate?Do we have redundant diagnostics capability where appropriate?Diagnostics that check the diagnosticsDiagnostics that check the diagnostics
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 20049
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Point of No ReturnPoint of No Return
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 200410
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
End of Presentation
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 200411
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 October 16, 2002Start Project Engineering Design October 2002Critical Decision 2a – Long-Lead Procurement Budget June 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-0Title IDesignComplete
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 200412
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Final Focus Test Beam ExtensionFinal Focus Test Beam Extension
Hall AHall A
TunnelTunnel
Hall BHall B
DamageDamagePower densityPower density
WavelengthWavelength
ObliquityObliquity
Final Focus Test Beam ExtensionFinal Focus Test Beam Extension
Hall AHall A
TunnelTunnel
Hall BHall B
DamageDamagePower densityPower density
WavelengthWavelength
ObliquityObliquity
Simultaneous Delivery of Beam to 3 EndstationsSimultaneous Delivery of Beam to 3 Endstations
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 200413
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
Key Considerations for Conventional Facilities DesignKey Considerations for Conventional Facilities Design
Shielding Enclosure, Vehicle Access in Research YardShielding Enclosure, Vehicle Access in Research Yard
Vibration StabilityVibration Stability
Location of Far Hall, Elevation at Far Hall SiteLocation of Far Hall, Elevation at Far Hall Site
Potential for Expansion, Additional UndulatorsPotential for Expansion, Additional Undulators
Shielding Enclosure, Vehicle Access in Research YardShielding Enclosure, Vehicle Access in Research Yard
Vibration StabilityVibration Stability
Location of Far Hall, Elevation at Far Hall SiteLocation of Far Hall, Elevation at Far Hall Site
Potential for Expansion, Additional UndulatorsPotential for Expansion, Additional Undulators
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 200414
Linac Coherent Light Source Stanford Synchrotron Radiation LaboratoryStanford Linear Accelerator Center
No Anticipated Change in Requirements for:No Anticipated Change in Requirements for:
Research YardResearch Yard
OverpassOverpass
Undulator Hall (exc. length)Undulator Hall (exc. length)
X-ray Tunnel (exc. length)X-ray Tunnel (exc. length)
Research YardResearch Yard
OverpassOverpass
Undulator Hall (exc. length)Undulator Hall (exc. length)
X-ray Tunnel (exc. length)X-ray Tunnel (exc. length)
LCLS Undulator Diagnostics WorkshopLCLS Undulator Diagnostics Workshop John N. Galayda, SLACJohn N. Galayda, SLAC
Opening Comments and Charge 19 January 2004Opening Comments and Charge 19 January 200415
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
Project Description
SLAC Linac
Two Chicanes for bunch compression
FFTB TunnelUndulator Hall
Near Hall
Far Hall
FEL Center