激光与光电子学进展, 2014, 51 (12): 122203, 网络出版: 2014-11-19   

大视场像方远心离轴三反射镜光学系统设计 下载: 735次

Optical Design of the Off-Axis Three-Mirror Reflective Telecentric System with Wide Field of View
作者单位
1 中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033
2 中国科学院大学, 北京 100049
摘要
基于三反射镜的三级相差理论,通过自定义优化函数,并使用遗传算法寻找合适的三反射镜光学系统的初始结构参数,利用光学设计软件ZEMAX 对初始结构进一步离轴优化,设计出了视场角为18°×0.6°,焦距为1700 mm,入瞳直径为200 m 的像方远心离轴三反射镜光学系统。该光学系统无中心遮拦,成像质量接近衍射极限,适用于空间遥感领域。
Abstract
Based on the third order aberration theory, a merit function is established, genetic algorithm is employed to find the initial structure parameters with minimum merit function then the initial structure is loaded to ZEMAX for further optimization. A telecentric three- mirror reflective system with effective focal length of 1700 mm, entrance pupil diameter of 200 mm and field of view of 18°×0.6° is designed by making the yfield off axis. The performance of the system is close to the diffraction limit and it is unobstructed and suit for the field of space optical remote.
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刘军, 黄玮, 许伟才, 徐明飞. 大视场像方远心离轴三反射镜光学系统设计[J]. 激光与光电子学进展, 2014, 51(12): 122203. Liu Jun, Huang Wei, Xu Weicai, Xu Mingfei. Optical Design of the Off-Axis Three-Mirror Reflective Telecentric System with Wide Field of View[J]. Laser & Optoelectronics Progress, 2014, 51(12): 122203.

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