| 红外激光对可见光CCD成像系统的干扰 |
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| 引用本文： | 刘长安,陈金宝,马金龙,魏东,孙滨,裘伟,罗向前,周杰,张轶.红外激光对可见光CCD成像系统的干扰[J].强激光与粒子束,2010,22(8). |
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| 作者姓名： | 刘长安 陈金宝 马金龙 魏东 孙滨 裘伟 罗向前 周杰 张轶 |
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| 作者单位： | 1． 国防科学技术大学 光电科学与工程学院， 长沙 410073；2． 西北核技术研究所， 西安 710024 |
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| 基金项目： | 国家高技术发展计划项目 |
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| 摘 要： | 采用连续波红外激光对可见光面阵CCD成像系统进行了干扰实验,观察到饱和串扰、全屏饱和等干扰现象,并测到串扰阈值小于2.0×102W/cm2,全屏饱和阈值为1.2×104W/cm2。通过分析CCD输出电压、视频信号,提出基于有效干扰面积的干扰效果评估方法,并利用该方法对干扰面积与激光功率密度、辐照时间之间的关系进行了半定量分析。结果显示:激光功率密度对干扰效果的影响较大,而辐照时间在0.5~2.0 s之间时,辐照时间对CCD干扰效果的影响不明显。
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| 关 键 词： | 可见光面阵CCD 成像系统 红外激光 干扰 |
| 收稿时间： | 1900-01-01; |
Jamming of visible light array CCD imaging system by infrared laser |
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| Liu Chang'an,Chen Jinbao,Ma Jinlong,Wei Dong,Sun Bin,Qiu Wei,Luo Xiangqian,Zhou Jie,Zhang Yi.Jamming of visible light array CCD imaging system by infrared laser[J].High Power Laser and Particle Beams,2010,22(8). |
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| Authors: | Liu Chang'an Chen Jinbao Ma Jinlong Wei Dong Sun Bin Qiu Wei Luo Xiangqian Zhou Jie Zhang Yi |
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| Institution: | 1. College of Opto-Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China;2. Northwest Institute of Nuclear Technology, P. O. Box 69-26, Xi’an 710024, China |
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| Abstract: | In the experiment, visible light array CCD imaging system was irradiated by continuous wave infrared laser. Crosstalk saturation and full-screen saturation were observed, and cross saturation threshold was less than 2.0×102 W/cm2, full-screen saturation was 1.2×104 W/cm2. An effective jamming area assessment method basing on the analysis of CCD’s output voltage and video signal was presented. The relationship between jamming area and laser power density, the relationship between jamming area and irradiation times was studied respectively. It is concluded that radiation power density has a more important influence on jamming effect compare to radiation times when it’s between 0.5 s to 2.0 s. |
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| Keywords: | imaging system infrared laser jamming |
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