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30 May 2006 The grind and polish prediction of computer controlled active lap
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Proceedings Volume 6148, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 61480Z (2006) https://doi.org/10.1117/12.674132
Event: 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2005, Xian, China
Abstract
Computer Controlled Active Lap(CCAL) manufacture is a new manufacturing technology comparing the classical manufacture and Computer Controlling Optical Surface(CCOS) for large aspheric mirrors manufacturing. The removal function model of active lap is found based on the investigation of active lap structure and working features. After analysis the edge effect, we optimize the founded model through the method of pressure compensation. The mirror surface predicated by the optimized model above basically matches the mirror surface tested by Hartmann-Shack wavefront sensor during the experiments of Φ1300mm(F/2)aspheric mirror manufactured by active lap.
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Bin Fan, Yongjian Wan, Li Yang, Zhige Zeng, Jianming Deng, and Xiaojin Li "The grind and polish prediction of computer controlled active lap", Proc. SPIE 6148, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 61480Z (30 May 2006); https://doi.org/10.1117/12.674132
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