Fig. 1. Schematic of the single-photon imaging system in the solar-blind UV band

Fig. 2. TCSPC acquired by the TDC software. (a) Measurement result of original synchronous signal; (b) measurement result of synchronous signal with a time delay of 1.2 μs

Fig. 3. Relationship between photon counts and distance

Fig. 4. Experimental results of the single-photon imaging. (a) Real photo of the target buildings; (b) rebuilt image of the buildings at night; (c) rebuilt image of the buildings on a sunny day