7 October 2010 Testing technology for off-axis parabolic mirror during fine grinding stage
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Proceedings Volume 7655, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 765530 (2010); doi: 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.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Han Yu, 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 (7 October 2010); doi: 10.1117/12.867715; https://doi.org/10.1117/12.867715
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KEYWORDS
Mirrors

Off axis mirrors

Surface finishing

Error analysis

Polishing

Lithium

Optics manufacturing

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