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CCD不同损伤状态下光学成像系统猫眼回波

Echo of the Optical Imaging System under Different Extent of Damage to CCD

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摘要

建立了不同损伤状态下光学成像系统的猫眼回波模型, 分析了CCD各层被损伤对猫眼回波功率的影响, 得到猫眼回波功率变化与CCD损伤程度的对应关系, 并通过实验进行了验证.研究发现, 在远场情况下成像光学系统的猫眼回波中心位置光强最强, 且回波功率随CCD损伤程度的加深呈现先显著上升再迅速下降.最后缓慢下降的变化规律, 可由此判断CCD各层结构的损伤状态.研究结果对远场条件下CCD被损伤程度的实时监测有一定的参考价值.

Abstract

The cat′s eye echoes model of the optical imaging system under different damage conditions was established and the influence of the damage to the charge coupled device layers on the cat′s eye echo power was analyzed. Based on this, the corresponding relationship between the echo power of the cat's eye and the damage degree of the CCD was established and verified by experiments. The results show that the field intensity is the strongest in the center of cat′s eye echo which is from imaging optics system, and the power of the echo increases dramatically and then decrease steeply and decrease slowly with the damage degree more serious. The damaged status of CCD can be judged according to this rule. The study results have certain reference value for monitoring the damage degree of CCD in real time in the far field.

Newport宣传-MKS新实验室计划
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中图分类号:TN249

DOI:10.3788/gzxb20184709.0904003

基金项目:国家“十三五装备”预先研究项目(No.30603040207)资助

收稿日期:2018-03-14

修改稿日期:2018-06-07

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作者单位    点击查看

张明鑫:国防科技大学 脉冲功率激光技术国家重点实验室, 合肥 230037
聂劲松:国防科技大学 脉冲功率激光技术国家重点实验室, 合肥 230037
豆贤安:国防科技大学 脉冲功率激光技术国家重点实验室, 合肥 230037
孙可:国防科技大学 脉冲功率激光技术国家重点实验室, 合肥 230037

联系人作者:张明鑫(zmx7530101@163.com)

备注:张明鑫(1994-), 男, 硕士研究生, 主要研究方向为激光损伤.Email: zmx7530101@163.com

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引用该论文

ZHANG Ming-xin,NIE Jin-song,DOU Xian-an,SUN Ke. Echo of the Optical Imaging System under Different Extent of Damage to CCD[J]. ACTA PHOTONICA SINICA, 2018, 47(9): 0904003

张明鑫,聂劲松,豆贤安,孙可. CCD不同损伤状态下光学成像系统猫眼回波[J]. 光子学报, 2018, 47(9): 0904003

被引情况

【1】张明鑫,聂劲松,孙可,豆贤安,谢运涛,姜秀红. CCD损伤进程中光学成像系统激光猫眼回波实验研究. 光子学报, 2019, 48(3): 314003--1

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