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--- optics [2016/11/18 21:33]
mike created
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-Optical design information is provided in this section.  Some files are available in other formats, see this direct folder link to browse.
-Primary Mirror
-◦Diameter: 90.00" ± 0.0625" (2286 mm)
-◦Central Obscuration Diameter: 33.5" ± 0.1" (851 mm)
-◦Conic Constant: -1.0646 ± 0.001
-◦Radius of Curvature: 12281 mm ± 4 mm
-◦Uncorrected Focal Length: 6140.5 mm
-◦Uncorrected Focal Ratio: f/2.69
-◦Measurement of the 90-inch Primary Mirror Optical Prescription
-Corrector Optics
-◦Corrected Focal Length: 6829.2 mm
-◦Corrected Focal Ratio: f/2.98
-◦Optical Design and Specifications for the 90-inch Prime Focus Corrector (Rev E-2)
-◦Corrector Design Tolerances
-◦AR Coating Theoretical Reflectance
-◦AR Coating Measured Reflectance:
-◾Both Sides
-◾AR Coating Measured Reflectance: Side 1
-◾AR Coating Measured Reflectance: Side 2
-◦Vignetting Effects
-◦Ghost Analysis for the 90'' Prime Focus Corrector
-◦90-Inch Prime Focus Corrector Lens 1 Testing Report (Michael Tuell)
-◦90-Inch Prime Focus Corrector Lens 3 Testing Report (Michael Tuell)
-◦Corrector Optics Defects
-◾Lens 2 and Lens 3 Defects
-◾Lens 2 Defects
-◾Lens 3 Defects
-◦L2 asphere profile measurements (Steve Miller; SO Mirror Lab)
-Baffles
-◦See Baffle and Baffles
-◦Inner Lens Can Baffling
-◦External Lens Can Baffling
-◦Baffling Inner Lens Can Baffling
-◦External Lens Can Baffling
-Drawings
-◦Optics with dimensions & header
-◦Optics with dimensions & without header
-◦Optics without dimensions & without header

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