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Design of a mid-wavelength infrared optical system based on high frame rate measuring
Duan, Jing1; Liu, Kai1; Shan, Qiusha1; Yan, Peipei1,2; Jiang, Kai1
2018
会议名称5th Conference on Frontiers in Optical Imaging Technology and Applications, FOI 2018
会议录名称Fifth Conference on Frontiers in Optical Imaging Technology and Applications, FOI 2018
卷号10832
会议日期2018-07-25
会议地点Hefei, China
出版者SPIE
产权排序1
摘要In order to effectively improve the frame of mid-wavelength infrared measuring system, based on a 320×256 cooled staring focal plane array(FPA) detector, pixel size 30μm×30μm, a special optical system combined with time-sharing exposure technology was designed. In this paper, the working wavelength is 3μm∼5μm, the temperature range is -30°C∼+40°C, this system can realize 200mm focal length, the F-number is 4 and the full field of view is 3.44°. A re-imaging refractive system was adopted in this designed optical system consists of main optics and projection components. First of all, the working principle of the measuring system was introduced in detail. Secondly, on the basis of variety of the distance and temperature, a focusing lens 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 narcissus effect was described particularly. The design results prove that at the spatial frequency of 17 lp/mm, the MTF of the optical system is greater than 0.58(the axis MTF of the optical is greater than 0.65), the system can offer a high resolution and excellent images. The measuring system implements 400fps measuring system consisting of four 100fps detectors. Copyright © 2018 SPIE.
作者部门光电测量技术实验室
DOI10.1117/12.2508315
收录类别EI
ISBN号9781510622890
语种英语
ISSN号0277786X;1996768X
EI入藏号20185106252564
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31126
专题光电测量技术实验室
作者单位1.Photoelectric Track and Measurement Technology Research Department, Xi'an Institute of Optics and Precision Mechanics, CAS, Shaanxi Xi'an; 710119, China;
2.University of the Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714
Duan, Jing,Liu, Kai,Shan, Qiusha,et al. Design of a mid-wavelength infrared optical system based on high frame rate measuring[C]:SPIE,2018.
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