High sensitivity ranging photon-counting chirped amplitude modulation lidar

YF Sun, ZY Wang, ZJ Zhang… - AOPC 2019: Quantum …, 2019 - spiedigitallibrary.org
Traditional lidar is not effective in detecting small long-range targets with weak echo signals.
Geiger-mode Avalanche Photodiode (Gm-APD) single photon detector has super high …