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Research on the methods of image quality optimization in infrared system with imaging fiber bundle
Alternative Title红外光纤传像系统像质优化方法研究
Yan, Xingtao; Li, Fu; Ma, Xiaolong; He, Yinghong; Lv, Juan; Xue, Bin; Zhao, Yiyi
Department月球与深空探测技术研究室
2018-01-25
Source PublicationHongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
ISSN10072276
Volume47Issue:1
Contribution Rank1
Abstract

Infrared (IR) system with imaging fiber bundle has important academic value and broad application prospects in the field of IR detection. The method of combining numerical simulation and experimental analysis was adopted to study the problem of image quality optimization of this system. Based on the system working principle and characteristics, a mathematic model of its modulation transfer function (MTF) had been established. The main influence factors of the image quality had been analysed. The numberical simulation analysis results showed that to ensure its image quality, the MTF of fore objective lens and relay lens should be larger than 0.8 at the system Nyquist frequency, the misadjustment between fiber images and pixels should be less than 0.5 pixel size. To analyze the influence of the imaging fiber bundle defects, system principle-demonstrating experiment had been accomplished. After comparing the push-broom image results with two different formats fiber bundle, a set of technical methods to improve the system image quality had been deduced. Such as, using appropriate relay lens, time delay integral (TDI) mode push-broom with several tiers fibers, coating on the entrance and exit bundle ends, exact uniformity correction processing, et al. All the results above provide necessary technical reserves for the development of such novel system. © 2018, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.

DOI10.3788/IRLA201746.0104004
Indexed ByEI ; CSCD
Language中文
EI Accession Number20181905138042
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30095
Collection月球与深空探测技术研究室
AffiliationXi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China
Recommended Citation
GB/T 7714
Yan, Xingtao,Li, Fu,Ma, Xiaolong,et al. Research on the methods of image quality optimization in infrared system with imaging fiber bundle[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2018,47(1).
APA Yan, Xingtao.,Li, Fu.,Ma, Xiaolong.,He, Yinghong.,Lv, Juan.,...&Zhao, Yiyi.(2018).Research on the methods of image quality optimization in infrared system with imaging fiber bundle.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,47(1).
MLA Yan, Xingtao,et al."Research on the methods of image quality optimization in infrared system with imaging fiber bundle".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 47.1(2018).
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