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Ultraviolet photon-counting single-pixel imaging
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DOI：10.1063/5.0157862.png)
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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.
Keyword:
CAMERA
DETECTOR
期刊
IF:
3.6
论文数:
10.4W
被引数:
17.8W
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引用论文
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