InSb面阵探测器波段内脉冲激光干扰响应特性研究

刘俊明; 李丽娟; 王朝林; 段萌

InSb面阵探测器波段内脉冲激光干扰响应特性研究

刘俊明^1,,
李丽娟^{1, 2},
王朝林^{1, 2},
段萌^{1, 2}

1.
中国空空导弹研究院，河南洛阳 471009
2.
航空制导武器航空科技重点实验室，河南洛阳 471009

基金项目:

航空科学基金 20170112003

详细信息

作者简介:
刘俊明（1979-），女，辽宁锦州人，高级工程师，硕士，主要研究领域为红外探测技术、红外信息处理技术。E-mail：19393185@qq.com

中图分类号: TN249, TN215
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- HTML全文浏览量: 73
- PDF下载量: 50
出版历程
- 收稿日期: 2020-06-27
- 修回日期: 2020-08-20
- 刊出日期: 2021-05-21

Response Characteristics of an InSb FPA Detector using Above-band Pulsed-laser Jamming

LIU Junming^1,,
LI Lijuan^{1, 2},
WANG Chaolin^{1, 2},
DUAN Meng^{1, 2}

1.
China Airborne Missile Academy, Luoyang 471009, China
2.
Aviation Key Laboratory of Science and Technology on Airborne Guided Weapons, Luoyang 471009, China

摘要

摘要: 介绍了激光定向干扰红外探测系统的干扰机理及波段内激光定向干扰的主要干扰方式。以InSb红外探测成像系统为研究对象，开展了典型条件下的波段内脉冲激光定向干扰试验，分析了InSb面阵探测器对波段内脉冲激光干扰的响应特性，获取了探测器在脉冲激光干扰下的损伤模式和损伤阈值，为后续深入研究激光定向干扰效能奠定基础。
- 脉冲激光 /
- 定向干扰 /
- 红外探测系统 /
- 响应特性 /
- InSb探测器
Abstract: The interference mechanism of laser directional jamming to an infrared detection system was investigated in this study, and the chief jamming mode of the above-band laser was discussed. A pulsed-laser jamming experiment was conducted using the infrared detection system based on an indium antimonide (InSb) focal plane array(FPA) detector, and the response characteristics of the InSb FPA detector with above-band pulsed-laser jamming was analyzed. The failure mode and failure threshold of the InSb FPA detector were derived. The results provide a basis for further research into directional infrared countermeasure performance against infrared imaging guided weapons.
- pulsed-laser /
- laser directional jamming /
- infrared detecting system /
- response characteristic /
- InSb detector

HTML全文

图 1 激光干扰成像过程示意图

Figure 1. Diagram of laser jamming imaging process

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图 2 激光干扰试验布局示意图

Figure 2. Schematic diagram of laser jamming experimental setup

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图 3 不同能量密度脉冲激光干扰效果图

Figure 3. Jamming effect of different energy density in pulsed-laser

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图 4 不同能量密度激光干扰下探测器干扰光斑大小

Figure 4. Pixels of jamming spot varying with energy density of jamming laser

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图 5 饱和像元数随干扰激光能量变化情况

Figure 5. Saturation pixels of jamming spot varying with energy density of jamming laser

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图 6 光斑平均灰度、中心像元灰度随激光能量变化情况

Figure 6. Average gray of jamming spot and central pixel gray varying with energy density of jamming laser

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图 7 不同能量密度激光干扰下探测器三维灰度图

Figure 7. Gray scale image of InSb FPA detector with different energy density jamming laser

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图 8 InSb面阵探测器点损伤情况

Figure 8. Pixel damage of InSb FPA detector

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图 9 不同激光照射次数下InSb面阵探测器线损伤情况

Figure 9. Line damage of InSb FPA detector with different times of laser irradiation

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