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中国科学院 长春光学精密机械与物理研究所,吉林 长春,130033
收稿日期:2011-02-16,
修回日期:2011-04-19,
网络出版日期:2012-04-22,
纸质出版日期:2012-04-22
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魏群, 艾兴乔, 贾宏光. 小型可见光双视场光学系统的研制[J]. 光学精密工程, 2012,(4): 739-744
WEI Qun, AI Xing-qiao, JIA Hong-guang. Development of small-scale and dual-field visible light optical system[J]. Editorial Office of Optics and Precision Engineering, 2012,(4): 739-744
魏群, 艾兴乔, 贾宏光. 小型可见光双视场光学系统的研制[J]. 光学精密工程, 2012,(4): 739-744 DOI: 10.3788/OPE.20122004.0739.
WEI Qun, AI Xing-qiao, JIA Hong-guang. Development of small-scale and dual-field visible light optical system[J]. Editorial Office of Optics and Precision Engineering, 2012,(4): 739-744 DOI: 10.3788/OPE.20122004.0739.
基于光学设计基本理论
设计了一种体积小
跟踪范围可以达到整个前半球的可见光双视场光学系统。系统由前部集束系统
中间光路转折系统及后部成像系统3部分组成。集束系统采用望远镜式结构
用于改变光束的口径;光路转折系统采用库德光路
由4片反射镜组成
用于转折光路及扫描;成像系统由长焦成像系统和短焦成像系统组成
分别形成两个视场的像
用于目标识别与跟踪。光学系统焦距分别为60 mm和120 mm
设计传递函数在58 lp/mm处均大于0.5。加工装调后进行了成像试验验证
结果表明
该系统能够同时完成大视场及小视场的图像获取
在可视范围内成像质量满足系统总体要求。
On the basis of optical design theory
this paper designs a small-scale and dual-field optical system with a half sphere tracking field. This optical system takes a Code optical path as the main system and consists of three parts: tele-system at front
ray tuning system in the middle
and imaging system in the back. The first part is a telescope compound for adjusting the diameter of the light beam; the middle part is Code optical path made up four mirrors
which is used to turn the direction of the light beam; and the last part is an imaging system for long focal and short focal imaging and for tracking and recognizing targets. The focal lengths of the system are 60 mm and 120 mm and their Modulation Transfer Functions(MTFs) are all above 0.5 at 5.8 lp/mm. By imaging tests
this optical system has better imaging quality and can capture the images form the large field and small one at the same time.
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