Bill White Drive Laser Operations [email protected].edu April 16, 2007 1 Drive Laser Commissioning Experience Reminder of requirements on Drive Laser Thales laser Transport system Commissioning in three areas Thales laser and it’s specs Beam conditioning and transport Virtual cathode alignment Lessons learned – remaining issues Future
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Bill White Drive Laser [email protected] April 16, 2007 1 Drive Laser Commissioning Experience Reminder of requirements on Drive Laser.
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Active Steering StabilizationIn order to meet centroid position stability requirement (min 60μm) M6 should be stabilized with 35μrad accuracySensitivity of the mirror mount 7arcsec – 34 μrad
The achieved temporal pulse shape meets physics requirements for the injector commissioningPlan to improve the temporal shape
Replace the Lyot filter in the regen amplifier by the edge mirrors – this will reduce oscillationsContinue working on the Dazzler settings and the optimum UV conversion crystals lengthsThales engineers are coming back in September to continue working on shaping
Plan B – to use stacking of Gaussian pulsesDesign and parts for pulse stacking are in place