Journal of Infrared and Millimeter Waves, Volume. 44, Issue 1, 35(2025)
Research on highly sensitive infrared imaging detection technology based on linear avalanche device
Figures & Tables(28)
Fig. 16. Blackbody response under different integration times and different bias
Fig. 17. Relation between blackbody response and integration time linearity
Fig. 18. Relation between blackbody response and spectral radiance linearity
Fig. 19. Conventional mode aircraft imaging under cloudy and rainy conditions
Fig. 20. Avalanche mode aircraft imaging under cloudy and rainy conditions
Fig. 21. Imaging of aircraft by linear multiplication mode in clear weather 1
Fig. 22. Imaging of aircraft by linear multiplication mode in clear weather 2
Table 1. Structural parameters of the optical system
View tableView in ArticleTable 1. Structural parameters of the optical system
性能项目 参数 备注 口径 190 mm 中心遮挡直径45 mm 焦距 1141 mm 波段 2.5~3.4 μm 视场 0.7°×0.7° 传函 大于0.4 能量集中度 大于50% 畸变 1.79%
Table 2. 512×512 liner avalanche short-wave infrared detector performance index table
View tableView in ArticleTable 2. 512×512 liner avalanche short-wave infrared detector performance index table
探测器偏压（V） 0.1 1 2 3 平均波段响应率（V/W） 8.94×109 1.10×1010 1.81×1010 3.04×1010 噪声（mV） 0.69 0.62 0.66 0.79 平均波段探测率（cm·Hz1/2/W） 1.42×1012 1.92×1012 2.99×1012 4.13×1012 盲元率 0.56% 0.61% 0.68% 0.90% 响应率非均匀性 7.46% 7.24% 7.90% 9.00% 平均增益因子 / 1.23 2.02 3.40
Table 3. Signal-to-noise ratio and equivalent noise radiation intensity at each state(255 K)
View tableView in ArticleTable 3. Signal-to-noise ratio and equivalent noise radiation intensity at each state(255 K)
积分时间（μs） 反偏电压（mV） 黑体响应DN值 噪声DN值 信噪比 6 400 100 47.26 11.72 4.03 12 800 100 97.14 11.81 8.23 25 600 100 199.42 12.05 16.54 51 200 100 406.66 12.26 33.17 80 000 100 648.28 12.75 50.86 6 400 3 000 126.99 12.79 9.93 12 800 3 000 259.03 13.57 19.08 25 600 3 000 543.20 15.37 35.34 51 200 3 000 1 138.22 18.41 61.82 80 000 3 000 1 849.97 21.67 85.38
Table 4. Image parameters collected in the filed image test
View tableView in ArticleTable 4. Image parameters collected in the filed image test
项目 线性雪崩模式 常规模式 偏压 2.4 V 0.1 V 积分时间 5 ms 5 ms 成像距离 5 km 5 km 背景均值Bg_mean 300.60 196.58 蓝框（11×11） 目标均值Tg_mean 285.70 192.42 红框（11×11） 灰度差 14.90 4.16
Table 5. Imaging conditions of aircraft by linear multiplication mode in clear weather 1
View tableView in ArticleTable 5. Imaging conditions of aircraft by linear multiplication mode in clear weather 1
航班号 CA977 航空公司 中国国际航空 机型 空客A330-243 实际起降时间 2023年12月1日，14：50-20：46 起飞降落地点 北京首都T3-雅加达苏加诺哈达T3 观测最远距离 88.8 km
Table 6. Imaging conditions of aircraft by linear multiplication mode in clear weather 2
View tableView in ArticleTable 6. Imaging conditions of aircraft by linear multiplication mode in clear weather 2
航班号 CZ3602 航空公司 南方航空 机型 空客A320-271N 实际起降时间 2023年12月1日，15：29-19：21 起降地点 沈阳仙桃T3-广州白云T2 观测最远距离 237 km
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Chang-Qing LIN, Shuang-Xi ZHOU, Lu-Fang LI, Gao-Rui LIU, Hai-Bin SUN, Yu ZHANG, Jia-Mu LIN, Sheng-Li SUN. Research on highly sensitive infrared imaging detection technology based on linear avalanche device[J]. Journal of Infrared and Millimeter Waves, 2025, 44(1): 35
Paper Information
Category: Infrared Physics, Materials and Devices
Received: Apr. 18, 2024
Accepted: --
Published Online: Mar. 5, 2025
The Author Email: SUN Sheng-Li (plam_sun@mail.sitp.ac.cn)
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