Three-Dimensional Laser Imaging Based on a Photon-Counting Avalanche Photodiode Array Peng Ge, Cong Chen, Zhen Shang, Yanen Fan, Jingjing Guo, Zibo Zhuang and Jialong Ge EPJ Web Conf., 237 (2020) 07026 Published online: 07 July 2020 DOI: 10.1051/epjconf/202023707026