离轴三反红外双波段景象模拟器光学系统设计

杨乐, 孙强, 郭邦辉

杨乐, 孙强, 郭邦辉. 离轴三反红外双波段景象模拟器光学系统设计[J]. 应用光学, 2011, 32(6): 1212-1216.
引用本文: 杨乐, 孙强, 郭邦辉. 离轴三反红外双波段景象模拟器光学系统设计[J]. 应用光学, 2011, 32(6): 1212-1216.
shu
YANG Le, SUN Qiang, GUO Bang-hui. Optical design of off-axis three-mirror system for infrared dual-band scene simulator[J]. Journal of Applied Optics, 2011, 32(6): 1212-1216.
Citation: YANG Le, SUN Qiang, GUO Bang-hui. Optical design of off-axis three-mirror system for infrared dual-band scene simulator[J]. Journal of Applied Optics, 2011, 32(6): 1212-1216.
shu

离轴三反红外双波段景象模拟器光学系统设计

  • 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.

    中国科学院研究生院,北京 100049

详细信息
    通讯作者:

    杨乐(1985－)，男，湖北随州人，博士研究生，主要从事红外光学设计和数字信号处理工作。

  • 中图分类号: TN21

Optical design of off-axis three-mirror system for infrared dual-band scene simulator

  • 1.

    Changchun Institute of Optics,Fine Mechanics and Physics,CAS,Changchun 130033,China;

  • 2.

    Graduate University of Chinese Academy of Sciences,Beijing 100039,China

摘要

    摘要
  • 摘要: 针对红外双波段成像系统性能测试与评估的应用需求，设计了3 m～5 m和8 m～12 m红外双波段视景仿真用离轴三反光学系统。在共轴三反光学系统成像理论基础上，分析了孔径光栏远离主镜的离轴三反系统像差特性，研究了大出瞳距、大相对孔径条件下离轴三反光学系统的结构设计和像差平衡方法。系统焦距为330 mm,F#为3，视场为64.5，出瞳距为750 mm,在空间频率10 lp/mm 处，中波红外MTF0.65，长波红外MTF0.4，接近衍射极限。具有大视场、大出瞳距、高分辨率、结构紧凑等特点。
    Abstract: To meet the requirements of infrared dual-band imaging system performance testing and evaluation applications, an off-axis three-mirror system operating at 3m ~ 5m and 8m ~ 12m band was designed for infrared dual-band scene simulator. The aberration characteristics of off-axis three-mirror system with aperture departing far from the primary mirror were analyzed based on the coaxial three-mirror imaging theory, the design methods of the optical structure and aberration balance of the off-axis three-mirror with large eye relief and large relative aperture were discussed. The focal length of the system is 255 mm with F# 3, the field of view is 6 4.5 , the eye relief is 750 mm, the image quality of the system approaches the diffraction limit with MTF0.65 for long-wave infrared band and MTF 0.4 for mid-wave infrared band at 10lp/mm spatial frequency. The system is characterized by large field of view, large eye relief, high resolution and compact structure.
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    • 参考文献(1)
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  • 刊出日期:  2011-11-14

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