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Proceedings Paper

The grind and polish prediction of computer controlled active lap
Author(s): Bin Fan; Yongjian Wan; Li Yang; Zhige Zeng; Jianming Deng; Xiaojin Li
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Paper 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.

Paper Details

Date Published: 30 May 2006
PDF: 5 pages
Proc. SPIE 6148, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 61480Z (30 May 2006); doi: 10.1117/12.674132
Show Author Affiliations
Bin Fan, Institute of Optics and Electronics (China)
Yongjian Wan, Institute of Optics and Electronics (China)
Li Yang, Institute of Optics and Electronics (China)
Zhige Zeng, Institute of Optics and Electronics (China)
Jianming Deng, Institute of Optics and Electronics (China)
Xiaojin Li, Institute of Optics and Electronics (China)


Published in SPIE Proceedings Vol. 6148:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
Yudong Zhang; Wenhan Jiang; Myung K. Cho, Editor(s)

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