灵巧型离轴三反光学系统设计

李岩; 张葆; 洪永丰

灵巧型离轴三反光学系统设计

李岩^1,2, ,,
张葆¹,
洪永丰¹

1.
中国科学院航空光学成像与测量重点实验室,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.
中国科学院研究生院,北京 100049

详细信息

通讯作者:
李岩（1988-），女，吉林长春人，硕士研究生，主要从事光学设计方面的研究。 Email：liyan19880217@163.com

中图分类号: TN216
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- 文章访问数: 1998
- HTML全文浏览量: 135
- PDF下载量: 21
- 被引次数: 0
出版历程
- 刊出日期: 2014-05-15

Compact and multispectral off-axial three-mirror reflective optical system

LI Yan^{1,2
, ,},
ZHANG Bao¹,
HONG Yong-feng¹

1.
Key Laboratory of Airborne Optical Imaging and Measurement,Changchun Institute of Optics Fine Mechanics and Physics,CAS,Changchun 130033,China;
2.
Graduate University of Chinese Academy of Sciences ,Beijing 100049,China

摘要

摘要: 基于同轴三反射光学系统基本原理，将孔径光阑和视场适当偏心，设计了一个灵巧型多光谱离轴三反光学系统，系统焦距1 200 mm，并对设计结果进行了像质评价。实验结果表明：系统在可见波段（0.486 m ~0.656 m）80 lp/mm空间频率下MTF0.5，中波波段（3 m ~5 m）15 lp/mm空间频率下MTF0.35，全波段范围内最大RMS为2.096 m。系统中面型采用二次非球面，且整个系统仅有孔径光阑偏心，3个反射镜位置均无偏心和倾斜，降低了加工成本及装调难度。
- 光学设计 /
- 离轴 /
- 多光谱 /
- 小型化
Abstract: Based on the theory of coaxial three-mirror reflective optical system and by decentering the aperture stop and the field of view, a compact and multispectral off-axial three-mirror reflective optical system with 1 200 mm focal length was designed. Furthermore, the image quality was evaluated. The design results prove that the modulation transfer function(MTF) is above 0.5 at 80 lp/mm for 0.486 m ~0.656 m, above 0.35 at 17 lp/mm for 3 m ~5 m and the rootmean-square (RMS) radius is less than 2.096 m in full waveband. Moreover, three mirrors which use cone surfaces instead of high order aspherical surfaces are not decentered or tilted and only the aperture stop is decentered, so it is easy to fabricate and assemble.
- optical design /
- off-axial optical system /
- multi-spectrum /
- miniaturization

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参考文献(1)

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