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Above image shows an ancient optics fabrication machine before it was replaced with modern CCOS machines. Optical Fabrication Enhancements for CCOS (computer controlled optical surfacing) Non-sequential CCOS optimization technique Special polishing tools for steep aspheres: Rigid Conformal Lap, Semi-flexible lap High speed shear mode grinding for aspheric surfaces กก Optical Metrology Analysis and optimization for interferometric measurements Fabrication and characterization of CGH null correctors Fizeau interferometry of aspheres using spherical reference + CGH Enhancement of interferometry systems to reject vibration and coherent noise Error Analysis and Data Reduction for Interferometric Surface Measurements Measurements of large flat mirrors Swingarm Optical CMM (SOC) Software Configurable Optical Test System (SCOTS) Scanning pentaprism system for telescope primary mirrors Use of laser tracker system for surface measurements Cryogenic Thermal Mask for Space-cold Optical Testing for Space Optical Systems Interferometer Calibration using the Random Ball Test กก Optical Engineering Alignment techniques for complex optical systems Lightweight mirror system using glass membrane with active rigid support กก |
