LCLS Commissioning Schedule and Startup Plan

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LCLS Commissioning Schedule and Startup Plan
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Schedule Overview
Start XTOD commissioning
Time Now
1st beam on Linac axis
Start Undulator commissioning
Start of Operations (X-Rays to Far Hall)
UV Beam To cathode
Start LTU commissioning
CD-2a
CD-2b
2002
2003
2004
2005
2006
FY2008
FY2009
FY2003
FY2004
FY2005
FY2006
FY2007
FY2010
Construction
Operation
Project Engineering Design
Long-Lead Procurement
CD-3a
CD-3b
CD-4

CLOC
BTH, FH
Beneficial Occupancies
UH
DUMP
NH
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12/06 UV Beam to Cathode
7/07 First Beam on Linac Axis
4/08 Start LTU Commissioning
7/08 Start Undulator Commissioning Start XTOD Commissioning
6 MeV
150 MeV
250 MeV
4.54 GeV
14.35 GeV
Single beam Dumper
Linac-X
rf gun
Linac-0
new
Linac-1
Linac-2
Linac-3
X Ray Diag.
Far Hall
25-1a 30-8c
21-1b 21-1d
21-3b 24-6d
X
Undulator
DL-2
BC-1
BC-2
DL-1
BSY
Tune up Dump
Dump
SLAC linac tunnel
LTU
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Startup Test PlanPRD 1.1-002

• Spells out our plan for turning on the LCLS
  systems. Currently working on rev-1.
• Evolved from "Commissioning Document" discussed
  at previous workshop.
• The editors continue to welcome your
  contributions!

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Startup Phases

• Phase I - low beam quality
• BBA, radiation reduction, x-ray diagnostics, SR
  measurements
• Phase II - high beam quality
• low emittance tuning, gain curve measurement,
  precision x-ray measurements
• Phase III - transition to operation
• Full rep rate, stable operating conditions, full
  energy range, finalize operational procedures

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End of Startup

• Startup Plan goes well beyond "Start of
  Operations" which is met when X Rays are detected
  at the Far Hall
• At the end of Phase III we leave the machine with
  operators who are then able to provide users with
  required beams on a daily basis.

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Phase I Performance Goals
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Phase I Demonstrates

• Bunch compression and bunch length control
• Orbit control and stability
• Xray diagnostics functionality
• SR measurement capability
• Beam collimation and radiation protection

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Phase II Performance Goals
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Phase II Demonstrates

• SASE FEL process is working
• Requires
• FEL quality orbit straightness and stability
• Good linewidth
• Good emittance
• High bunch current
• Gain length measurements
• Areas of physics concern CSR, instabilities,
  wakefield effects, new physics effects,

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Phase III Performance Goals
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Completion of Phase III Demonstrates

• We are ready to turn the machine over to the
  operators and the users
• We need another project!