长波红外大视场大相对孔径光学系统设计

陈潇, 杨建峰, 马小龙, 何佶珂, 何建伟, 白瑜

陈潇, 杨建峰, 马小龙, 何佶珂, 何建伟, 白瑜. 长波红外大视场大相对孔径光学系统设计[J]. 应用光学, 2010, 31(3): 350-353.
引用本文: 陈潇, 杨建峰, 马小龙, 何佶珂, 何建伟, 白瑜. 长波红外大视场大相对孔径光学系统设计[J]. 应用光学, 2010, 31(3): 350-353.
CHEN Xiao, YANG Jian-feng, MA Xiao-long, HE Ji-ke, HE Jian-wei, BAI Yu. Low F number LWIR optical system with wide field of view[J]. Journal of Applied Optics, 2010, 31(3): 350-353.
Citation: CHEN Xiao, YANG Jian-feng, MA Xiao-long, HE Ji-ke, HE Jian-wei, BAI Yu. Low F number LWIR optical system with wide field of view[J]. Journal of Applied Optics, 2010, 31(3): 350-353.

长波红外大视场大相对孔径光学系统设计

详细信息
    通讯作者:

    陈潇(1985-),女,陕西西安人,硕士研究生,主要从事光学设计、红外光学和二元光学的研究与设计工作。

  • 中图分类号: TN216;TH703

Low F number LWIR optical system with wide field of view

  • 摘要: 设计了用于非制冷红外焦平面阵列探测器的大视场、大相对孔径的长波红外物镜。系统由3片非球面锗镜组成,采用反远距结构,系统焦距为6mm,相对孔径为1∶0.8,全视场角为160,总长为86.13mm。设计结果表明:在空间频率为20lp/mm处的MTF值大于0.7,接近衍射极限。该系统除具有反远距结构的结构简单、体积小、质量轻、像面照度均匀等优点外,还具有超大视场。
    Abstract: A low F number long-wavelength infrared optical system with wide field of view is designed. It consists of three aspherical germanium lenses with a reversed telephoto telecentric structure. The effective focal length is 6mm, the relative aperture is 1:0.8, the full field of view is 160, and the total optical length is 86.13mm. The result shows that the modulation transformation function is greater than 0.7 at the spatial frequency of 20lp/mm. The system inherits the advantages of the reversed telephoto telecentric structure, it is simple in structure and small in volume, light in weight, uniform in illumination, and also has large field of view.
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出版历程
  • 刊出日期:  2010-05-14

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