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强激光辐照下光电探测器响应性能的研究

Responsivity of photoelectric detector irradiated by intense laser

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摘要

响应度R是反映探测器性能的一项重要指标,当探测器被强激光损伤后,光电探测器的响应度将发生改变。设计了一套实时测量探测器响应度的装置,用能量逐渐增加的Nd∶YAG激光辐照PIN光电探测器,获得了探测器响应度与入射强激光功率密度的变化关系。从实验数据可知,探测器被功率密度低于7.6×105W/cm2的激光辐照后不会发生损伤,探测器对532nm参考光的响应度不变;当激光的功率密度超过1.27×106W/cm2时,激光辐照后,探测器对532nm参考光的响应度开始下降,当探测器被功率密度为6.01×106W/cm2的激光辐照后,响应度迅速下降,PN结遭到破坏是探测器响应度下降的根本原因,扫描电镜的结果与我们的分析相一致。

Abstract

Responsivity is an important factor for reflecting the performance of photoelectric detector and could be altered if the detector is laser-induced damaged. A system for monitoring real-time responsivity of the detector was developed. A PIN detector was irradiated by Nd∶YAG laser with energy increasing gradually, the relationship between the responsivity of detector and the power density of incident laser was obtained. The detector remained its performance when irradiated by laser with the power density of Nd: YAG laser less than 7.6×105W/cm2, the responsivity of the detector was constant for 532nm reference light. When the power density of laser was more than 1.27×106W/cm2, with increasing incident laser power density, the responsivity of the detector was reduced slowly. When the power density of laser was more than 1.27×106W/cm2, the responsivity of the detector was reduced sharply after being irradiated. The reason for the fall of responsivity was analyzed. The conclusion was confirmed by scanning electron microscope photographs (SEM).

Newport宣传-MKS新实验室计划
补充资料

中图分类号:TN241

基金项目:国防预研基金资助项目(A3620060122)

收稿日期:2010-07-31

修改稿日期:2010-08-06

网络出版日期:0001-01-01

作者单位    点击查看

徐立君:长春理工大学理学院, 吉林 长春 130022
蔡红星:长春理工大学理学院, 吉林 长春 130022
李昌立:长春理工大学理学院, 吉林 长春 130022
毕娟:长春理工大学理学院, 吉林 长春 130022
金光勇:长春理工大学理学院, 吉林 长春 130022
张喜和:长春理工大学理学院, 吉林 长春 130022

联系人作者:徐立君(xucust@sina.com)

备注:徐立君(1973-),男,吉林长春人,长春理工大学讲师,博士研究生,主要从事激光与物质相互作用的研究工作。

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引用该论文

XU Li-jun,CAI Hong-xing,LI Chang-li,BI Juan,JI Guang-yong,ZHANG Xi-he. Responsivity of photoelectric detector irradiated by intense laser[J]. Journal of Applied Optics, 2010, 31(6): 1018-1022

徐立君,蔡红星,李昌立,毕娟,金光勇,张喜和. 强激光辐照下光电探测器响应性能的研究[J]. 应用光学, 2010, 31(6): 1018-1022

被引情况

【1】胡馨月,高明希,任玉,谭见瑶,李伟,金琨,施三支,蔡红星. 基于主成分回归的温度分布反演研究. 光谱学与光谱分析, 2012, 32(10): 2789-2793

【2】管敏杰,赵冬娥. 一种基于PIN型光电二极管频率响应的测试方法. 应用光学, 2012, 33(6): 1088-1091

【3】张跃民,刘晓莉,陈洲,赵路民,张红,张金涛. 一种应用距离选通成像技术的微光望远镜. 应用光学, 2013, 34(4): 667-671

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