Domestic kilometer-level single photon ranging system

Yangyang DENG; Biyang MA; Dalu HOU; Jiefeng XIAO; Yang OU; Yupeng XIONG

doi:10.5768/JAO202546.0311006

Journal of Applied Optics, Volume. 46, Issue 3, 522(2025)

Domestic kilometer-level single photon ranging system

Yangyang DENG¹, Biyang MA⁵, Dalu HOU⁶, Jiefeng XIAO⁵, Yang OU^1,2,3,4, and Yupeng XIONG^1,2,3,4、*

Author Affiliations

¹College of Intelligent Science, National University of Defense Technology, Changsha 410073, China

²Hunan Key Laboratory of Ultra-Precision Machining Technology, Changsha 410073, China

³State Key Laboratory of Science and Technology on Integrated Logistics Support, Changsha 410073, China

⁴Nanhu Laser Laboratory, National University of Defense Technology, Changsha 410073, China

⁵College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

⁶Basic Education College, National University of Defense Technology, Changsha 410073, China

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Figures & Tables(8)

Fig. 1. Principle of pulse ToF ranging

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Fig. 2. Overall design scheme of measurement structure

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Fig. 3. Kilometer-level ranging experiment site

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Fig. 4. Kilometer-level ranging results

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Fig. 5. Experiment of single-layer camouflage nets

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Fig. 6. Experiment of double-layer camouflage nets

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Table 1. Comparison of relevant indicators for single-photon ranging technology at home and abroad

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Table 1. Comparison of relevant indicators for single-photon ranging technology at home and abroad

类别	国内指标	国外指标	国产突破点
测距精度	0.91 cm^[10]	3 cm（NASA ICESat-2）	毫米级精度
探测距离	32 km^[9]	500 km（NASA星载系统）	远距-近距全覆盖
功耗，灵敏度	−53.2 dBm接收功率^[10] 主动复位电路功耗降低40%	15 W（苹果车载系统）	超低功耗设计
抗干扰能力	CPPM调制抗交叉干扰能力提升100倍（太原理工）	泊松-高斯模型误差降低75%（MIT）	强背景光、多雷达干扰场景下有复杂环境优势
量产成本	SPAD芯片成本低于200美元/单元（南京邮电）	Kestrel SPAD阵列高于500美元/单元	成本较低，全产业链自主化

Table 2. Overall design parameters
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Table 2. Overall design parameters
参数取值参数取值
波长/nm 1550 探测距离/km 1～3
发射视场/μrad ～280 接收视场/μrad ～620
发射系统有效焦距/mm 37 接收系统有效焦距/mm 100

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Yangyang DENG, Biyang MA, Dalu HOU, Jiefeng XIAO, Yang OU, Yupeng XIONG. Domestic kilometer-level single photon ranging system[J]. Journal of Applied Optics, 2025, 46(3): 522

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