1 / 15

Progress Update on HOWFS Telescope Simulator and Alignment Status

The current status of the HOWFS telescope simulator project includes assembly and testing completion of the telescope and HOWFS, alongside the development of an alignment feedback GUI. The alignment plan is halfway finished, with an on-axis green and red laser fiber source operational. Key metrics such as pupil ellipticity and size have been assessed, although the CCD50 focus positions remain to be established. Outstanding tasks involve further testing and integration phases, with mechanical updates expected shortly.

zamora
Télécharger la présentation

Progress Update on HOWFS Telescope Simulator and Alignment Status

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. HOWFS - 7/24/09 C. Baranec

  2. Current Status Summary • Telescope simulator assembled • HOWFS assembled and tested • Alignment plan (CIN 636) is halfway finished • Alignment feedback GUI developed and tested

  3. Telescope Simulator • On-axis green laser • Red laser fiber source • On x-y-z translation stage • F/# ~15.7 (needs to be confirmed)

  4. HOWFS Mechanical Pieces needed for WFS fabricated and assembled. Alignment feedback GUI developed and tested.

  5. Alignment feedback GUI

  6. s16

  7. s32

  8. s64

  9. Demo… • Switch to remote desktop

  10. 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

  11. 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?

  12. 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…

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

  14. 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

  15. 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

More Related