Agenda (Fri., June 7)

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Agenda (Fri., June 7)

• 800 AO UI Demonstration
• 900 Introductions to AO team
• 905 AOWG Chair Selection
• 915 Review Agenda (make changes?)
• 920 Review Planned Potential AO Projects
• 1030 Break
• 1045 Continue Project Review
• 1130 Discuss Other Project Ideas
• 1200 Lunch (in lounge)
• 1300 Decide on Discussion Topics begin
  Discussions
• 1500 Break
• 1515 Executive Session
• 1615 Addition Discussions with AO Team
• 1700 End

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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
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Keck AO Future Directions

• P. Wizinowich D. Le Mignant
• for Keck AO Team
• AOWG June 7, 2002

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Future Directions
Performance
Science Efficiency
Strehl Ratio
Sky Coverage
Emissivity Thruput
Science Capabilities
Operations
Characterization Modeling
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Future Directions

• Strehl
• Sky Coverage
• Emissivity Throughput
• Operations
• Science Capabilities
• Performance Characterization Modeling
• Other Ideas?

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

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

1. K2 LGS upgrades to AO system (FY02)
2. K2 LGS laser completion (FY02/3)
3. K2 LGS integration (FY03)
4. Geometric based subaperture mapping in PRC (FY03)
5. Larger subapertures
6. Lower noise wavefront sensor CCDs
7. Denominator free centroiding
8. Larger guide star field for wavefront sensing
9. K1 LGS laser installation
10. K1 LGS upgrades to AO system

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LGS Upgrades

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

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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

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C. Emissivity Throughput

1. Enclosure modifications to support cleanliness
   lower temperatures (FY02/3)
2. Interferometer image rotator mirror coatings
   (FY02/3)
3. Interferometer cold body in reflection off IR
   transmissive dichroic
4. Improve image rotator alignment
5. Measure current throughput improve coatings

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D. Operations

1. Interferometer wavefront controller upgrade on
   K1 K2 (FY02)
2. Interferometer user interface reliability fix
   (FY02)
3. Interferometer automation (FY02/3)
4. AO response to rotator slews (FY02/3)
5. Observing Assistant Support Astronomer training
   (FY02/3)
6. New AO operations software (FY03/4)
7. UPS for AO VME crates (FY02)
8. K2 LGS aircraft safety systems for laser
   (FY02/3)
9. K2 LGS space command interface (if needed)

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E. Science Capability

1. NIRC2 spectroscopy commissioning (FY02)
2. NIRC2 coronagraphy commissioning (FY02/3)
3. NIRC2 calibration lamps (FY03)
4. NIRC2 quicklook data reduction pipeline
5. K2 field steering mirror upgrade (for NIRC2
   spectroscopy) (FY02)
6. K2 LGS AO engineering science verification
   (FY03)
7. K2 LGS queue scheduling
8. OSIRIS design support (FY02/4)
9. OSIRIS fold mirror (FY04)
10. OSIRIS commissioning support (FY04/5)
11. OSIRIS SHARC on K1
12. Interferometer ZnSe IR transmissive dichroics
    for 10 um imager (FY05)
13. Interferometer field selector mirrors for imager
    (FY05)

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E. Science Capability

• OHANA fiber input test (FY03)
• OHANA fiber injection module implementation on
  K12
• Improved performance on extragalactic targets
• Acquisition camera upgrade to a visible science
  camera
• Electronic logging of science observations
  (FY02?)
• IR wavefront sensor
• Differential tracking for field steering mirrors
• Next generation Keck AO CoDR
• Next generation Keck AO PDR, CDR, fab, IT
  commissioning
• PSF reconstruction

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F. Performance Characterization Modeling

1. Atmospheric characterization tool (FY02)
2. CfAO postdoc performance modeling
   characterization effort (FY03/4)
3. Additional AO characterization modeling efforts

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Other Ideas

• CfAO ExAO proposal
• Development Environment
• Postdocs, students, sabbaticals,
• ???

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