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Optimal design of cam curves for zoom lens
Qiang, Zihao1,2; Wu, Li1; Mei, Chao1; Zhao, Yue1
2018
会议名称6th International Conference on Optical and Photonic Engineering, icOPEN 2018
会议录名称Sixth International Conference on Optical and Photonic Engineering, icOPEN 2018
卷号10827
会议日期2018-05-08
会议地点Shanghai, China
出版者SPIE
产权排序1
摘要Zoom cam is a pivotal part used for driving every lens group in zoom lens, the design result of cam curve is decisive importance for motion property and system precision as well as system imaging in zoom system, therefore, zoom cam design is an important part of the zoom lens design, a fine cam performance is the basic requirements to reach lens design of image quality goal and optical zoom process. a new method is presented in this article, it adopts the method of piecewise processing to establish several common functions in steep interval so as to make the arc length non-uniform and to segment the arc length equally in the smooth curve. The initial cam curve of an optical system is optimized and analyzed, the results show that when the arc length is divided by the power function, the cam curve can be significantly improved, the pressure angle of the curve can be reduced, and the optimized curve is smooth and without inflection point, which can effectively improve the overall performance of the cam. © 2018 SPIE.
作者部门动态光学成像研究室
DOI10.1117/12.2500614
收录类别EI
ISBN号9781510622562
语种英语
ISSN号0277786X
EI入藏号20183305683997
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/30571
专题动态光学成像研究室
作者单位1.Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an, China;
2.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Qiang, Zihao,Wu, Li,Mei, Chao,et al. Optimal design of cam curves for zoom lens[C]:SPIE,2018.
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