Testing technology for off-axis parabolic mirror during fine grinding stage

Han Yu; Wu Fan

doi:10.1117/12.867715

6 October 2010 Testing technology for off-axis parabolic mirror during fine grinding stage

Han Yu, Wu Fan

Proceedings Volume 7655, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 765530 (2010) https://doi.org/10.1117/12.867715
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

A method to test an off-axis parabolic (OAP) mirror at fine grinding stage using CMM (coordinate measuring machine) is introduced in this paper. Tilt error and the probe radius error have been removed as a system error before interpolation. An interpolation method, which based on Tikhonov regularization, is used to fit surface error. An example, which shows the effectiveness of this method, is also given.

Citation Download Citation

Han Yu and Wu Fan "Testing technology for off-axis parabolic mirror during fine grinding stage", Proc. SPIE 7655, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 765530 (6 October 2010); https://doi.org/10.1117/12.867715

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