This compact and cheap lidar could steer small autonomous vehicles

Researchers in Sweden have developed cheaper, lighter and more efficient lidar technology that could pave the way for smaller autonomous craft such as drones and robots, and help enable better profitability in the vehicle industry. For autonomous vehicles, lidar is an essential technology to recognize and detect surrounding objects.

https://phys.org/news/2019-04-compact-cheap-lidar-small-autonomous.html