Tech tidbit: What is Lidar?
Lidar is an acronym for Laser Imaging, Detection And Ranging, as a light-based analog to radar, which you’ll recall stands for RAdio Distancing And Ranging. It uses a reflected laser beam rather than microwaves to locate objects in space and determine their distance, speed and direction.
https://www.designnews.com/sensors/tech-tidbit-what-lidar/36730886763147