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HOWFS - 7/24/09. C. Baranec. Current Status Summary. Telescope simulator assembled HOWFS assembled and tested Alignment plan (CIN 636) is halfway finished Alignment feedback GUI developed and tested. Telescope Simulator. On-axis green laser Red laser fiber source

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HOWFS - 7/24/09


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howfs 7 24 09

HOWFS - 7/24/09

C. Baranec

current status summary
Current Status Summary
  • Telescope simulator assembled
  • HOWFS assembled and tested
  • Alignment plan (CIN 636) is halfway finished
  • Alignment feedback GUI developed and tested
telescope simulator
Telescope Simulator
  • On-axis green laser
  • Red laser fiber source
  • On x-y-z translation stage
  • F/# ~15.7 (needs to be confirmed)
howfs mechanical
HOWFS Mechanical

Pieces needed for WFS fabricated and assembled.

Alignment feedback GUI developed and tested.

slide9
Demo…
  • Switch to remote desktop
analysis discussion
Analysis/Discussion
  • Pupil ellipticity at 2.0% (1.70% desired for AOI of 10.5)
    • There are degrees of freedom to change the ellipticity
  • Pupil size at 9.645 mm (9.600 target)
  • We need to establish exact pupil sizes in the different modes before specifying collimator
  • Different focus measurement in different modes
    • Many possible contributors, will require investigation
  • CCD50 focus positions not yet established
    • Will require use of Pixelink camera
flexure analysis
Flexure analysis
  • Flexure – ATS150 roll compliance is excellent. Still awaiting pitch compliance. Expect 0.1”/hour.Khanh’s description of flexure analysis however is confusing. What priority should we place on having him document this properly?
outstanding tasks summary
Outstanding tasks - summary
  • CCD50 readout modes – awaiting SciMeasure.
  • Test the camera modes – RN/DC (JR, ? days)
  • Finish alignment plan - (CB, 1 day)
  • Further alignment investigation – (CB, 1 day)
  • Amendments to alignment procedure – (CB, 1 day)
  • Internal flexure testing – (CB, 1 day)
  • Spec new optics – (CB, ½ day)
  • Alignment with the testbed – (CB, 2 days)
  • Plan for testing and incorporating new optics – (CB, 1 day)
  • Mechanical…
mechanical engineering update
Mechanical Engineering Update

Khahn expects to be finished working on the HOWFS/Acam by end of next week.

schedule
Schedule
  • Mechanical finished – next few weeks
  • SciMeasure modes - ?
  • Integration with testbed (no DM) – 3-4 weeks
  • Order testbed collimator/cylinder – after F/# established
  • Integration with DM in testbed – 6-10 weeks
  • Integration on PALM-AO bench – next year
management summary
Management Summary

Total labor:

  • CB – ~8 days
  • JR – CCD testing modes, integration
  • ME – 1 week from Khanh Bui
  • AB – integration

Equipment costs:

  • SciMeasure camera modes - ?
  • New optics (col, cyl) ~ $1000