Study on distortion control technology of the active stressed lap polishing deeper aspherical mirror

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	Study on distortion control technology of the active stressed lap polishing deeper aspherical mirror
	Ying Li; Daxing Wang
	2006-01-25
会议录名称	Optical Devices and Instruments
卷号	6024
期号	6024
页码	Vol.6024 V1-8
会议日期	2005-8-21
会议地点	Changchun, China
会议主办者	The International Society for Optical Engineering
出版者	SPIE
摘要	A special computer controlled polishing machine and a 450mm diameter active stressed lap have been developed in NIAOT, and the lap has been successfully applied on polishing a f/2, Φ910mm paraboloidal mirror. This paper briefly introduces the control structure of the polishing system. The deformation technology is an important part of the stressed lap. This paper puts emphases upon discussing the deformation technology. On the base of experiments on f/2 mirror, deformation experiments on f/1.5, f/1.2 have been done also. As the asphericity becomes faster, the dynamic response of the lap's deformation becomes slower and the error of shape becomes bigger. In order to solve this problem and improve deformation precision, we analyse the reason for the error of the lap and discuss the dedormation emendating problem. In the end according to the result of deforming experiments, several considerations for optimization of mechanic-electric design of the stressed lap are given.
关键词	Active Stressed Lap Deeper Asphericity Deformation High Precision
学科领域	天文镜面（材料、加工、检测）
文献类型	会议论文
条目标识符	http://ir.niaot.ac.cn/handle/114a32/421
专题	会议论文
推荐引用方式 GB/T 7714	Ying Li,Daxing Wang. Study on distortion control technology of the active stressed lap polishing deeper aspherical mirror[C]:SPIE,2006:Vol.6024 V1-8.

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