Dynamic deformation measurement and analysis of active stressed lap using optical method

Qican Zhang; Xianyu Su; Yuankun Liu; Liqun Xiang

doi:10.1117/12.783324

27 November 2007 Dynamic deformation measurement and analysis of active stressed lap using optical method

Qican Zhang, Xianyu Su, Yuankun Liu, Liqun Xiang

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 67232O (2007) https://doi.org/10.1117/12.783324
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

The active stressed lap is the heart of polishing process. A novel non-contact optical method of dynamic deformation measurement and analysis of an active stressed lap is put forward. This method, based on structured illumination, is able to record full-field information of the bending and rotating stressed lap dynamically and continuously, while its profile is changed under computer control, and restore the whole process of lap deformation varied with time at different position and rotating angle. It has been verified by experiments that this proposed method will be helpful to the opticians to ensure the stressed lap as expected.

Citation Download Citation

Qican Zhang, Xianyu Su, Yuankun Liu, and Liqun Xiang "Dynamic deformation measurement and analysis of active stressed lap using optical method", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 67232O (27 November 2007); https://doi.org/10.1117/12.783324

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