Ultraviolet photon-counting single-pixel imaging

被引：21
作者：
Ye, Jun-Tian [1 ,2 ,3 ,4 ]
Yu, Chao [1 ,2 ,3 ,4 ]
Li, Wenwen [1 ,2 ,3 ,4 ,5 ]
Li, Zheng-Ping [1 ,2 ,3 ,4 ,5 ]
Lu, Hai [6 ]
Zhang, Rong [6 ]
Zhang, Jun [1 ,2 ,3 ,4 ,5 ]
Xu, Feihu [1 ,2 ,3 ,4 ,5 ]
Pan, Jian-Wei [1 ,2 ,3 ,4 ,5 ]
机构：
[1] Univ Sci & Technol China, Hefei Natl Res Ctr Phys Sci Microscale, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Sch Phys Sci, Hefei 230026, Peoples R China
[3] Univ Sci & Technol China, Shanghai Res Ctr Quantum Sci, Shanghai 201315, Peoples R China
[4] Univ Sci & Technol China, CAS Ctr Excellence Quantum Informat & Quantum Phys, Shanghai 201315, Peoples R China
[5] Univ Sci & Technol China, Hefei Natl Lab, Hefei 230088, Peoples R China
[6] Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210023, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2023年 / 123卷 / 02期
基金：
上海市科技启明星计划; 中国国家自然科学基金;
关键词：
CAMERA; DETECTOR;
D O I：
10.1063/5.0157862
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate photon-counting single-pixel imaging in the ultraviolet region. Toward this target, we develop a high-performance compact single-photon detector based on a 4H-SiC single-photon avalanche diode (SPAD), where a tailored readout circuit with active hold-off time is designed to restrain detector noise and operate the SPAD in the free-running mode. We use structured illumination to reconstruct 192 x 192 compressed images at a 4 fps frame rate. To show the superior capability of ultraviolet characteristics, we use our single-pixel imaging system to identify and distinguish different transparent objects under low-intensity irradiation and image ultraviolet light sources. The results provide a practical solution for general ultraviolet imaging applications. Published under an exclusive license by AIP Publishing.
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页数：6
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