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1.3~5 μm宽波段红外成像光学系统设计

Design of a 1. 3~5 μm Wide Wave Band Infrared Imaging Optical System

马力   李勇   左腾  
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摘要

宽波段红外成像技术可以获取丰富的波段信息,在目标识别和频谱分析中具有独特的优势。设计了一种1.3~5 μm宽波段短中波红外光学系统,该光学系统采用二次成像设计,包括7块透镜和2片反射镜,其中使用了2片硅非球面和1片硒化锌基底衍射面用以校正像差和色差。利用光学设计软件给出了系统的光学参数和二维外形结构图,并且对其像质和冷反射进行了系统分析。该系统可以实现在工作波段1.3~5 μm宽波段中成像,其F数为2,满足100%冷光阑效率。该系统结构紧凑,像质较好,能够实现宽波段成像要求。

Abstract

Wide-infrared imaging technology has the technical advantages in spectrum analysis and identifying target, and it can obtain plentiful wave band information. In this paper, a 1. 3~5 μm wide wave band infrared optical system is designed with a double imaging zoom structure which including 7 lens and 2 reflectors, and the color difference is corrected by using 2 silicon aspheric lens and 1 ZnSe diffraction lens. The modulation transfer function (MTF) curves and the cold reflection of the system are investigated by using the optical design software. The analysis results indicate that the optical system whose F is 2 can image in the 1.3~5 μm wide wave band, and the cold shield efficiency is 100% satisfied. The structure of the designed optical system is simple and reliable, and is able to meet the design and use requirements of wide wave band imaging in a high image quality.

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中图分类号:TN216

所属栏目:光学设计

基金项目:国家重大科学仪器设备开发专项(2013YQ290489)资助项目

收稿日期:2017-03-20

修改稿日期:2017-05-17

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作者单位    点击查看

马力:华中光电技术研究所—武汉光电国家实验室, 湖北 武汉 430223
李勇:华中光电技术研究所—武汉光电国家实验室, 湖北 武汉 430223
左腾:华中光电技术研究所—武汉光电国家实验室, 湖北 武汉 430223

联系人作者:马力(horsepower88@163.com)

备注:马力(1988-),男,硕士,工程师,主要从事光学设计方面的研究工作。

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引用该论文

MA Li,LI Yong,ZUO Teng. Design of a 1. 3~5 μm Wide Wave Band Infrared Imaging Optical System[J]. OPTICS & OPTOELECTRONIC TECHNOLOGY, 2017, 15(6): 73-76

马力,李勇,左腾. 1.3~5 μm宽波段红外成像光学系统设计[J]. 光学与光电技术, 2017, 15(6): 73-76

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