[1]陈吕吉,李萍,孙琪艳.20长波红外连续变焦光学系统设计[J].红外技术,2012,34(08):458-462.
 CHEN Lv-ji,LI Ping,SUN Qi-yan.Design of LWIR Zoom Optical System with 20:1 Zoom Range[J].Infrared Technology,2012,34(08):458-462.
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20×长波红外连续变焦光学系统设计
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《红外技术》[ISSN:1001-8891/CN:CN 53-1053/TN]

卷:
34卷
期数:
2012年08期
页码:
458-462
栏目:
出版日期:
2012-12-31

文章信息/Info

Title:
Design of LWIR Zoom Optical System with 20:1 Zoom Range
文章编号:
1001-8891(2012)08-0458-05
作者:
?陈吕吉李萍孙琪艳
?昆明物理研究所
Author(s):
?CHEN Lv-jiLI PingSUN Qi-yan
?Kunming Institute of Physics
关键词:
红外光学系统连续变焦量子阱焦平面探测器光学设计
Keywords:
infrared optical systemcontinuous zoomQWIPoptical design
分类号:
TN216
文献标志码:
A
摘要:
针对384×288长波量子阱焦平面探测器,设计了一个变倍比为20×的长波连续变焦光学系统,其工作波长范围为8~9 um,F数为3,可实现18.5~367 mm的连续变焦。该系统由机械补偿变焦物镜和二次成像系统组成,包括6片透镜和2片反射镜,具有大变倍比、高分辨率、小体积、高像质等优点,并用ZEMAX光学设计软件进行了仿真计算和像质评价,在奈奎斯特频率20 lp/mm处,系统全焦距范围内的MTF接近衍射极限。
Abstract:
?

An infrared zoom optical system with a zoom range of 20:1 is designed based on long-wave 384×288 QWIP detector . The operating wavelength range is from 8 to 9?m, the F number is 3, and the focal length is continuously changeable form 18.5 to 367 mm. The system consists of a mechanically compensated zoom object and a secondary imaging system, including 6 lenses and 2 reflectors,and has the advantages of large zoom ratio, high resolution, small size and excellent image quality. The zoom optical system image quality is evaluated with ZEMAX optical design software, and the results show that the MTF in the

whole focal approaches the diffractive limit at the Nyquist frequency of 20 lp/mm.

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备注/Memo

备注/Memo:
?收稿日期:2012-03-04.
作者简介:陈吕吉(1974-),男,硕士,高级工程师,主要从事红外系统总体技术与红外光学系统设计技术研究。
更新日期/Last Update: 2013-06-25