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optics [2016/11/19 13:40]
mike
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-Optical design information is provided in this section.  Some files are available in other formats, see [[90prime_files|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 
-  * Unordered List ItemL2 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  
  
optics.1479588001.txt.gz · Last modified: 2016/11/19 13:40 by mike