Abstract:This research is aiming at exploring a feasible machining method for ultra-high slope surface with deterministic figuring technology. We first successfully realize the nanometer-precision machining of optical hemispherical surface by using ion beam figuring (IBF) under the guidance of the reconstructed three-dimensional (3D) surface error. For figuring such a high-slope surface, we proposed some technical details, the modified algorithm for dwell time, the nonlinear developing method of surface error and the s… Show more
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