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Application of genetic algorithm in the design of off-axis four-mirror optical system
Xu, F.-G. and W. Huang
2017
发表期刊Guangxue Jingmi Gongcheng/Optics and Precision Engineering
卷号25期号:8
摘要As existing optical design software depends on the selection of an initial structure, a solving method of initial structure for four-mirror optical systems based on genetic algorithm was proposed to obtain the initial structure with good image quality and special structural configuration. The aberration of a coaxial four-mirror optical system was analyzed according to primary aberration theory. The objective function composed of primary aberration coefficient with weight and constraint conditions of structural configuration was established. Then, optimization solution was implemented for the objective function by introducing genetic algorithm and the coaxial four-mirror initial structure with good image quality and special structural configuration was obtained. Finally, an off-axis four-mirror optical system with a long focus of 1200 mm, a large visual field of 204 and a large relative aperture of F/4 was designed based on the initial structure. Structural configuration of the system is compact. Modulation transfer functions of all fields are more than 0.52 in the position of 50 lp/mm. As compared with traditional methods, the design method based on genetic algorithm does not need given initial conditions. It provides the initial structure with good image quality and special structural configuration for four-mirror optical systems and has extensive application prospects in reflective optical system design. 2017, Science Press. All right reserved.
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语种中文
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59347
专题中科院长春光机所知识产出
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Xu, F.-G. and W. Huang. Application of genetic algorithm in the design of off-axis four-mirror optical system[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2017,25(8).
APA Xu, F.-G. and W. Huang.(2017).Application of genetic algorithm in the design of off-axis four-mirror optical system.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,25(8).
MLA Xu, F.-G. and W. Huang."Application of genetic algorithm in the design of off-axis four-mirror optical system".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 25.8(2017).
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