PALM-3000

Team Meeting #15 – Wavefront Sensor(s)

C. BaranecOctober 29th 2009

PALM-3000

• LabVIEW alignment GUI running on lab computer

• Optics assembled and tested

• CIN 636 – HOWFS Alignment guide version 1.0 released

• Final collimating mirror and cylindrical lens specified

HOWFS Status Summary

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PALM-3000 HOWFS

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P3K - HOWFS

PALM-3000

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P3K - HOWFS

PALM-3000 Live lab demonstration

• Start the music…• Switch to remote desktop…

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Show me the live lab

demo!!!

P3K - HOWFS

PALM-3000P3K – HOWFS - s8

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PALM-3000P3K – HOWFS - s16

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PALM-3000P3K – HOWFS - s32

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PALM-3000P3K – HOWFS - s64

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PALM-3000P3K – HOWFS – Pupil imaging

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PALM-3000 Analysis of current alignment

• Alignment Req.: 1/20 pixel RMS, Goal:1/40 pixel RMS– Is this the right requirement?

• Pupil size is what we expect to 0.2% • Pupil A/B ratio: 1.0170 (target) 1.016 ± 0.001(measured)

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Ch.1 Ch. 2 Ch. 3 Δ2 Δ3 Foc. A45 A90 Sph. RMS WFE-P WFE-Z Rot.s mm mm mm µm µm λ λ λ λ pixel nm nm deg

8 -40.0 -11.521 -11.254 -1 +6 -0.01 +0.02 -0.01 -0.005 0.1464 187 156 -4E-416 -18.0 11.321 -11.206 +1 +4 -0.05 -0.08 -0.03 +0.03 0.0851 218 141 1E-432 -11.9 11.156 11.613 -14 +3 +0.11 +0.06 -0.09 0.000 0.0433 128 116 8E-464 -7.9 11.415 11.592 -5 +2 +0.12 +0.06 -0.08 0.000 0.0265 109 116 -3E-4

PALM-3000 HOWFS - Tasks Left

• Order new optics, install, re-align• Test in white light• Testing of new CCD50 readout modes

• Format• Noise

• Internal compliance / flexure testing and validation• Integration into the testbed• Test pupil shift necessary for ‘s63’ mode• Testing closed loop AO with HODM!

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PALM-3000 Thanks!!!

Acknowledgement to the people that have helped (in major and minor ways):

Antonin, Jenny, Khanh, Rich, Mitch, Kent, Chris, Tom Stalcup (Keck), Mark Milton (UA)

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