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500 fs超短脉冲激光对CCD探测器的破坏效应

Damaged effect on CCD detector irradiated by 500 fs laser pulse

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摘要

采用脉宽500 fs,脉冲能量250 μJ的超短脉冲激光辐照线阵CCD探测器,观察到了CCD从线性响应到像元饱和、饱和串音直至硬损伤的整个过程,并着重对两种辐照能量密度下的硬损伤机理进行了理论分析.结果表明:激光能量密度为0.45 μJ/cm2时,达到像元饱和;能量密度为0.14 J/cm2时,辐照6个脉冲后实现了CCD器件的硬损伤,硬损伤源于晶格被加热并汽化形成等离子体;能量密度为1.41 J/cm2时,单个脉冲就使CCD器件的输出波形无法辨认,2个脉冲后CCD器件没有任何信号输出,硬破坏源于电荷分离形成的电场库仑力.

Abstract

A 250 μJ,500 fs ultra-short laser pulse was used to radiate linear array CCD detector.The whole responding from linear, saturation,cross talk and totally damage was observed.Theoretical analyses were made to explain the damage mechanism.The experiment shows that the saturated energy threshold of CCD element is 0.45 μJ/cm2.The CCD is damaged by six pulses with energy density of 0.14 J/cm2 and the damage is due to lattice heat and evaporation with plasma.When the laser energy density is 1.41 J/cm2,the output waveform of CCD detector is unrecognizable with single pulse and without any output with two pulses.The damage mechanism is considered to be coulomb force of electric field from charge separation.

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中图分类号:TN249

所属栏目:高功率激光与光学

收稿日期:2004-11-26

修改稿日期:2005-05-18

网络出版日期:2005-10-15

作者单位    点击查看

黄绍艳:西北核技术研究所,陕西,西安,710024
张永生:西北核技术研究所,陕西,西安,710024
唐本奇:西北核技术研究所,陕西,西安,710024
张勇:西北核技术研究所,陕西,西安,710024
王祖军:西北核技术研究所,陕西,西安,710024
肖志刚:西北核技术研究所,陕西,西安,710024

备注:黄绍艳(1971-),女,硕士,主要从事光电器件辐照效应方面的研究工作;西安市69-10信箱.

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引用该论文

黄绍艳,张永生,唐本奇,张勇,王祖军,肖志刚. Damaged effect on CCD detector irradiated by 500 fs laser pulse[J]. High Power Laser and Particle Beams, 2005, 17(10): 1445-1448

黄绍艳,张永生,唐本奇,张勇,王祖军,肖志刚. 500 fs超短脉冲激光对CCD探测器的破坏效应[J]. 强激光与粒子束, 2005, 17(10): 1445-1448

被引情况

【1】郭少锋,程湘爱,傅喜泉,孙运强,王飞,李文煜,周玉平,陆启生,文双春. 高重复频率飞秒激光对面阵CCD的干扰和破坏. 强激光与粒子束, 2007, 19(11): 1783-1786

【2】辛建婷,刘国栋. 飞秒激光对半导体材料及器件烧蚀效应研究进展. 激光与光电子学进展, 2009, 46(10): 64-70

【3】沈洪斌,沈学举,周冰,毛少娟,姜楠,李刚. 532 nm脉冲激光辐照CCD实验研究. 强激光与粒子束, 2009, 21(10): 1449-1454

【4】马金龙,刘长安,裘伟,常星璋,毛静锋,白改朝,刘玄贤,罗向前,魏东,孙志伟,涂遗. 红外激光对可见光成像系统的硬损伤. 强激光与粒子束, 2010, 22(9): 2023-2026

【5】康文运,宋小全,张颖新,韦 震. 推扫相机激光干扰等效缩比模型研究及实验验证. 红外与激光工程, 2015, 44(9): 2649-2654

【6】高刘正,赵民伟,张威,李颖. 电荷耦合器件硅基底辐照光场研究. 光学学报, 2016, 36(12): 1214004--1

【7】官上洪,司汉英. CCD对飞秒激光与连续激光响应特性实验研究. 光电技术应用, 2017, 32(4): 26-29

【8】张明鑫,聂劲松,孙可,卞进田,韩敏,张磊. 电荷耦合器件损伤进程中猫眼回波的特性研究. 光电技术应用, 2017, 32(6): 6-14

【9】杨海波,官上洪,邵铭,刘小虎. 强光作用下光电成像系统饱和效应研究. 光电技术应用, 2018, 33(3): 21-24

【10】吴迪,吕勇,牛春晖. 多脉冲激光对CCD探测器的损伤研究. 应用激光, 2019, 39(2): 333--1

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