1. Agenda (Fri., June 7) 8:00AO UI Demonstration 9:00Introductions to AO team 9:05AOWG Chair Selection 9:15Review Agenda (make changes?) 9:20Review Planned & Potential AO Projects 10:30Break 10:45Continue Project Review 11:30Discuss Other Project Ideas 12:00Lunch (in lounge) 13:00Decide on Discussion Topics & begin Discussions 15:00Break 15:15Executive Session 16:15Addition Discussions with AO Team 17:00End

2. Keck AO Team AO P. Wizinowich AO for Interfer. C. Neyman Software P. Stomski LGS AO Dev. A. Contos Science Ops D. Le Mignant Tech Support T. Saloga M. Wagner S. Hartman D. Summers Laser J. Chin New hire

3. P. Wizinowich & D. Le Mignant for Keck AO Team AOWG – June 7, 2002 Keck AO: Future Directions

4. Strehl Ratio Sky Coverage Emissivity & Thruput Science Capabilities Operations Characterization & Modeling PerformanceScience Efficiency

5. Future Directions A.Strehl B.Sky Coverage C.Emissivity & Throughput D.Operations E.Science Capabilities F.Performance Characterization & Modeling  Other Ideas?

6. NGS Error Budget Strehl Ratio 0.48 /.33 /.03 @ H Strehl Ratio 0.91 @ H Strehl Ratio 0.53 /.36 /.03 @ H Total RMS (nm) 140 / 213 / 460 AO System 140 / 213 / 460 Telescope 152 Science Inst. 35 Field Dep. 0 / 0 / 0 Measurement 114 / 128 / 224 Fitting 63 / 123 / 285 Bandwidth 36 / 113 / 282 Calibration 30 Internal 20 AO Tilt (nrad) 23 / 36 / 77 Segment 82 ACS Noise 58 Phasing 50 Vibrations 100 Stacking 20 Centroid Anis. 15 / 30 / 69 Sci Inst. Align. 15 Measurement 7 / 12 / 29 Isokinetic Ang 0 Bandwidth 0 / 1 / 1 Assumptions: NGS = 2000 cnts Everything on-axis Set A / Set B @ 30° / Set C @ 60° Requirement: SR = 0.79 /.64 /.08 @ H For an infinitely bright star Windshake ?

7. A. Strehl Improvement 1.Interferometer: vibration reduction (FY02/03) 2.Telescope optical performance improvements (FY03/05) 3.K2 wavefront sensor image quality improvement (FY02/3) 4.Interferometer: K1 real-time processor upgrade to Mercury PowerPC (FY03) 5.K2 IR atmospheric dispersion corrector 6.K2 visible atmospheric dispersion corrector 7.Multiple wavefront sensor platescales 8.Gain optimization in PRC 9.Better reconstructors in PRC 10.NIRC2: alignment monitoring tool (if necessary) 11.K2 LGS: on-axis laser projection telescope 12.K2 real-time processor upgrade to Mercury PowerPC 13.Increase fast tip/tilt mirror stroke

8. NGS Error Budget Strehl Ratio 0.48 /.33 /.03 @ H Strehl Ratio 0.91 @ H Strehl Ratio 0.53 /.36 /.03 @ H Total RMS (nm) 140 / 213 / 460 AO System 140 / 213 / 460 Telescope 152 Science Inst. 35 Field Dep. 0 / 0 / 0 Measurement 114 / 128 / 224 Fitting 63 / 123 / 285 Bandwidth 36 / 113 / 282 Calibration 30 Internal 20 AO Tilt (nrad) 23 / 36 / 77 Segment 82 ACS Noise 58 Phasing 50 Vibrations 100 Stacking 20 Centroid Anis. 15 / 30 / 69 Sci Inst. Align. 15 Measurement 7 / 12 / 29 Isokinetic Ang 0 Bandwidth 0 / 1 / 1 1 2 4 3 5 6 7 9 8 10 12 11: LGS measure- ment error Windshake ? 13

9. B. Sky Coverage 14.K2 LGS: upgrades to AO system (FY02) 15.K2 LGS: laser completion (FY02/3) 16.K2 LGS: integration (FY03) 17.Geometric based subaperture mapping in PRC (FY03) 18.Larger subapertures 19.Lower noise wavefront sensor CCDs 20.Denominator free centroiding 21.Larger guide star field for wavefront sensing 22.K1 LGS: laser installation 23.K1 LGS: upgrades to AO system

10. LGS Upgrades  Tip/tilt sensor  Low bandwidth wavefront sensor  Sodium rejection  Wavefront sensor & pupil relay tracking  Acquisition camera range  3 rd field steering mirror  Uplink tip/tilt to laser  See KAON 216 for details & schedule

11. Laser System Completion  Diagnostics & Calibrations  Polarization; diagnostic cameras (filters & shutters); Power in the Bucket; Pointing & Centering; interfaces (pressures, power)  Operations  Startup & shutdown guis; verify alarm handlers; maintenance schedules; flexure impact; stability  Optical Alignment  Laser table; procedures  Safety  Aircraft: mosaic radar & wide field camera systems  Laser traffic control system testing

12. C. Emissivity & Throughput 24.Enclosure modifications to support cleanliness & lower temperatures (FY02/3) 25.Interferometer: image rotator mirror coatings (FY02/3) 26.Interferometer: cold body in reflection off IR transmissive dichroic 27.Improve image rotator alignment 28.Measure current throughput & improve coatings

13. D. Operations 29.Interferometer: wavefront controller upgrade on K1 & K2 (FY02) 30.Interferometer: user interface reliability fix (FY02) 31.Interferometer: automation (FY02/3) 32.AO response to rotator slews (FY02/3) 33.Observing Assistant & Support Astronomer training (FY02/3) 34.New AO operations software (FY03/4) 35.UPS for AO VME crates (FY02) 36.K2 LGS: aircraft safety systems for laser (FY02/3) 37.K2 LGS: space command interface (if needed)

14. E. Science Capability 38.NIRC2: spectroscopy commissioning (FY02) 39.NIRC2: coronagraphy commissioning (FY02/3) 40.NIRC2: calibration lamps (FY03) 41.NIRC2: quicklook data reduction pipeline 42.K2 field steering mirror upgrade (for NIRC2 spectroscopy) (FY02) 43.K2 LGS: AO engineering science verification (FY03) 44.K2 LGS: queue scheduling 45.OSIRIS: design support (FY02/4) 46.OSIRIS: fold mirror (FY04) 47.OSIRIS: commissioning support (FY04/5) 48.OSIRIS: SHARC on K1 49.Interferometer: ZnSe IR transmissive dichroics for 10 um imager (FY05) 50.Interferometer: field selector mirrors for imager (FY05)

15. E. Science Capability 51.OHANA: fiber input test (FY03) 52.OHANA: fiber injection module implementation on K1&2 53.Improved performance on extragalactic targets 54.Acquisition camera upgrade to a visible science camera 55.Electronic logging of science observations (FY02?) 56.IR wavefront sensor 57.Differential tracking for field steering mirrors 58.Next generation Keck AO CoDR 59.Next generation Keck AO PDR, CDR, fab, I&T & commissioning  PSF reconstruction

16. F. Performance Characterization & Modeling 60.Atmospheric characterization tool (FY02) 61.CfAO postdoc performance modeling & characterization effort (FY03/4) 62.Additional AO characterization & modeling efforts

17. Other Ideas  CfAO ExAO proposal  Development Environment  Postdocs, students, sabbaticals, …  ???