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Design of a long focal length mid-wavelength infrared optical system
Duan Jing1; Zhang Zhanpeng1; Liu Kai1; Shan Qiusha1; Jiang Kai1; Yan Peipei1,2; Duan, J (reprint author), Chinese Acad Sci, Xian Inst Opt & Precis Mech, Photoelect Track & Measurement Technol Res Dept, Xian 710119, Shaanxi, Peoples R China.
2018
会议名称4th Seminar on Novel Optoelectronic Detection Technology and Application
会议录名称FOURTH SEMINAR ON NOVEL OPTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATION
卷号10697
会议日期2017-10-24
会议地点Nanjing, PEOPLES R CHINA
出版地BELLINGHAM
出版者SPIE-INT SOC OPTICAL ENGINEERING
产权排序1
摘要

Based on a 640x512 cooled staring focal plane array(FPA) detector, pixel size 15 mu mx15 mu m, a long focal length mid-wavelength infrared optical system was designed. In this paper, the working wavelength is 3 mu m similar to 5 mu m, the temperature range is -30 degrees C similar to+50 degrees C, this system can realize 1000mm focal length, the F-number is 4, the full field of view is 0.70 degrees, satisfy 100% cold shield efficiency. A re-imaging refractive system was adopted in this designed optical system consists of a main objective group and a projection group. First of all, the structural selection and the initial parameter calculation were introduced. Secondly, on the basis of variety of the temperature, a focusing len was presented in this system to adjust to produce a clear image. Last but not the least, to improve image quality and environment adaptability, the analysis of temperature change and ghost image were described particularly. The design results prove that at the spatial frequency of 33 lp/mm, the axis MTF of the optical system is greater than 0.35, the system can offer a high resolution and excellent images, and it has the advantages of good adaptability, simple structure, easy to adjust, and high transmittance.

关键词Long Focal Length Optical Design Infrared Technology Refractive Structure
学科领域Engineering, Electrical & Electronic
作者部门光电测量技术实验室
DOI10.1117/12.2314992
收录类别EI ; ISTP
ISBN号978-1-5106-1948-7
语种英语
ISSN号0277-786X
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/30385
专题光电测量技术实验室
通讯作者Duan, J (reprint author), Chinese Acad Sci, Xian Inst Opt & Precis Mech, Photoelect Track & Measurement Technol Res Dept, Xian 710119, Shaanxi, Peoples R China.
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Photoelect Track & Measurement Technol Res Dept, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Duan Jing,Zhang Zhanpeng,Liu Kai,et al. Design of a long focal length mid-wavelength infrared optical system[C]. BELLINGHAM:SPIE-INT SOC OPTICAL ENGINEERING,2018.
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