LIDAR has interesting space applications for Guidance, Navigation and Control (GNC).
For instance, I worked on the design of a mission concept for multi-target Active Debris Removal [1], for which flash LIDAR was an important part of the GNC package, in addition to stereo visual cameras, and various other sensors. For non-cooperative targets, LIDAR is a pretty important technology, due to possible varying lighting conditions.
LIDAR has been used for close proximity GNC for the International Space Station too [2].
Compact, low-power flash LIDAR will open up a slew of applications like on-orbit satellite servicing and refuelling.
[1] https://www.researchgate.net/publication/301359099_Agora_Mis...