基于DMD的长波红外变焦投影系统设计

李卓; 牟达; 吕世龙; 周强

doi:10.3788/IRLA201645.1218003

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基于DMD的长波红外变焦投影系统设计

李卓, 牟达, 吕世龙, 周强

文章导航 > 红外与激光工程 > 2016 > 45(12): 1218003-1218003(6)

李卓, 牟达, 吕世龙, 周强. 基于DMD的长波红外变焦投影系统设计[J]. 红外与激光工程, 2016, 45(12): 1218003-1218003(6). doi: 10.3788/IRLA201645.1218003

引用本文:

李卓, 牟达, 吕世龙, 周强. 基于DMD的长波红外变焦投影系统设计[J]. 红外与激光工程, 2016, 45(12): 1218003-1218003(6). doi: 10.3788/IRLA201645.1218003

Li Zhuo, Mu Da, Lv Shilong, Zhou Qiang. Design of zoom LWIR projection system based on DMD[J]. Infrared and Laser Engineering, 2016, 45(12): 1218003-1218003(6). doi: 10.3788/IRLA201645.1218003

Citation:

Li Zhuo, Mu Da, Lv Shilong, Zhou Qiang. Design of zoom LWIR projection system based on DMD[J]. Infrared and Laser Engineering, 2016, 45(12): 1218003-1218003(6). doi: 10.3788/IRLA201645.1218003

基于DMD的长波红外变焦投影系统设计

doi: 10.3788/IRLA201645.1218003

李卓^1,2,
牟达¹,
吕世龙³,
周强⁴

1.
长春理工大学光电工程学院,吉林长春 130022;
2.
92785部队河北秦皇岛 066200;
3.
63713部队,山西太原 036301;
4.
61251部队,河北秦皇岛 066102

基金项目:

总装备部预研局“十二五”基金项目（5131×××05）

详细信息

作者简介:
李卓(1988-),男,硕士生,主要从事现代光学设计方面的研究。Email:905455325@qq.com

中图分类号: TN216

Design of zoom LWIR projection system based on DMD

1.
School of Photoelectric Engineering,Changchun University of Science and Technology,Changchun 130022,China;
2.
Unit 92785,Qinhuangdao 066200,China;
3.
Unit 63713,Taiyuan 036301,China;
4.
Unit 61251,Qinhuangdao 066102,China

摘要: 基于数字微镜器件（DMD）的红外景象模拟器在室内环境下通过模拟真实景物及其环境的红外辐射来测试红外成像系统的性能。为实现基于DMD的红外景象模拟器能够满足不同待测系统的视场角匹配，同时为避免投影系统与照明系统发生空间上的重叠，设计了一套配有分光棱镜的红外变焦投影系统。该系统工作波段为8～12 m，F数为2.7，采用光学补偿变焦方式，可实现50/100/150/200 mm四档变焦。根据四组元系统负组补偿原理及其高斯光学公式对系统光学参数进行计算，选用与参数相近的初始结构进行处理及优化。设计结果表明，各焦距位置在20 lp/mm处的调制传递函数值均接近衍射极限，符合使用要求。
- 光学设计 /
- 数字微镜器件(DMD) /
- 光学补偿 /
- 红外变焦 /
- 投影系统
Abstract: The infrared scene simulator based on digital micro-mirror device(DMD) can test the performance of infrared imaging system by simulating the infrared radiation of the real object and environment in the indoor environment. A set of the infrared zoom projection system with dispersion prism was designed by ZEMAX optical software. The system can match the different viewing angle of the system and avoid overlapping between projection systems and illumination systems on the space. The system can work for the band of 8-12 m. The F number of the system is 2.7. A zoom optical compensation way was used in the system. And the system can realize the focal lengths of 50/100/150/200 mm through four zoom blocks. According to the principles and Gaussian optics formula of four-component system sub-group compensation, the optical parameters of the system were counted; the initial structure which was similar to the optical parameters was adopted and then optimized. The design results show that the image position is stable and the modulation transfer function(MTF) curve at 20 lp/mm of each focal length is closed to the diffraction limit during zoom process,which could conform to the requirements.
- optical design /
- digital micro-mirror device (DMD) /
- optical compensation /
- infrared zoom /
- projection system

[1]	Hu Chuqiang, Mu Da, Chen Lingzhi. Design of infrared target simulator's optical splitting system based on digital-mirror device[J].Laser Infrared, 2012, 42(6):655-658. (in Chinese)胡初强, 牟达, 陈灵芝. 基于DMD的红外目标模拟器分光系统设计[J]. 激光与红外, 2012, 42(6):655-658.
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[5]	Yuan Xiong, Hu Wengang, He Yongqiang, et al. Investigation on replacement technology of digital micromirror device window[J]. Laser Infrared, 2014(8):892-897. (in Chinese)元雄, 胡文刚, 何永强, 等. DMD窗口更换技术研究[J]. 激光与红外, 2014(8):892-897.
[6]	Jian Yi, Pan Zhaoxin, Yu Yang. Design of optical engine for infrared sence simulation system based on DMD[J]. J Infrared Millim Waves, 2014, 33(4):375-379. (in Chinese)蹇毅, 潘兆新, 于洋. 基于DMD的红外场景仿真系统光学引擎设计[J]. 红外与毫米波学报, 2014, 33(4):375-379.
[7]	Liu Zhiyin, Luan Xiaoyu, Fu Yuegang, et al. Design of infrared zoom projection optical system[J]. Journal of Applied Optics, 2015, 36(6):857-863. (in Chinese)刘智颖, 栾晓宇, 付跃刚, 等. 红外变焦投影光学系统的设计.应用光学, 2015, 36(6):857-863.
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基于DMD的长波红外变焦投影系统设计

doi: 10.3788/IRLA201645.1218003

1. 长春理工大学光电工程学院,吉林长春 130022;

2. 92785部队河北秦皇岛 066200;

3. 63713部队,山西太原 036301;

4. 61251部队,河北秦皇岛 066102

作者简介:
李卓(1988-),男,硕士生,主要从事现代光学设计方面的研究。Email:905455325@qq.com

收稿日期: 2016-04-09
修回日期: 2016-05-13
刊出日期: 2016-12-25

基金项目:

总装备部预研局“十二五”基金项目（5131×××05）

中图分类号: TN216

关键词:

摘要: 基于数字微镜器件（DMD）的红外景象模拟器在室内环境下通过模拟真实景物及其环境的红外辐射来测试红外成像系统的性能。为实现基于DMD的红外景象模拟器能够满足不同待测系统的视场角匹配，同时为避免投影系统与照明系统发生空间上的重叠，设计了一套配有分光棱镜的红外变焦投影系统。该系统工作波段为8～12 m，F数为2.7，采用光学补偿变焦方式，可实现50/100/150/200 mm四档变焦。根据四组元系统负组补偿原理及其高斯光学公式对系统光学参数进行计算，选用与参数相近的初始结构进行处理及优化。设计结果表明，各焦距位置在20 lp/mm处的调制传递函数值均接近衍射极限，符合使用要求。

English Abstract

Design of zoom LWIR projection system based on DMD

1. School of Photoelectric Engineering,Changchun University of Science and Technology,Changchun 130022,China;

2. Unit 92785,Qinhuangdao 066200,China;

3. Unit 63713,Taiyuan 036301,China;

4. Unit 61251,Qinhuangdao 066102,China

Received Date: 2016-04-09
Rev Recd Date: 2016-05-13
Publish Date: 2016-12-25

Keywords:

Abstract: The infrared scene simulator based on digital micro-mirror device(DMD) can test the performance of infrared imaging system by simulating the infrared radiation of the real object and environment in the indoor environment. A set of the infrared zoom projection system with dispersion prism was designed by ZEMAX optical software. The system can match the different viewing angle of the system and avoid overlapping between projection systems and illumination systems on the space. The system can work for the band of 8-12 m. The F number of the system is 2.7. A zoom optical compensation way was used in the system. And the system can realize the focal lengths of 50/100/150/200 mm through four zoom blocks. According to the principles and Gaussian optics formula of four-component system sub-group compensation, the optical parameters of the system were counted; the initial structure which was similar to the optical parameters was adopted and then optimized. The design results show that the image position is stable and the modulation transfer function(MTF) curve at 20 lp/mm of each focal length is closed to the diffraction limit during zoom process,which could conform to the requirements.