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Budget and Schedule

Optical Design Work (Needed by PDR)

  • 1. Explore "free" params more carefully to optimize image quality across 1.5 weeks
  • 2. Explore internal reflections. 1 weeks
  • 3. Calibrate private software" against ZEMAX models. (sanity check) 2 weeks
  • 4. Modifications/extensions to "private software". 1 weeks
  • 5. Verify optical tolerances. 0.5 weeks
  • 6. Characterize expected performance at focal surface of telescope 1 weeks
  • 7. Verify that distortions caused by ADC are acceptible 0.2 weeks
  • 8. Obtain more accurate transmission values for fused silica.
  • 9. We do not plan to model end-to-end optical performance at LRIS focal plane. Should we? Does an adequate optical model of LRIS exist? 3 + 1 weeks ?
  • Contingency for above: 1 weeks
    • Total Optical Design Work (excluding 9): 8.2 weeks ($22,960)
    • Total Optical Design Work (including 9): 12.2 weeks? ($34,160 ?)

    Pointing/Tracking Model Studies (probably needed at PDR)

  • 10. Derive magnitude of differential refraction effects: 1.5 weeks ($4200)

    Optical Design Work (Needed by CDR)

    • Characterizing final design: 0.5 weeks ($1400)

    Optical Fabrication Work (Post-CDR)

    • Optical Fabrication (Hilyard) $110K, as follows:
    • materials: $64K + $5K
    • labor (cutting/polishing): $32K
    • labor (contingency): $9K
    • Coatings: 0 -- $80K

    Optical Testing During Assembly (Post-CDR)

  • -- some weeks needed; discussed under software
    LRIS-ADC Homepage

    Phillips' ADC index