Lidar and optical vehicle-to-vehicle communication may be able to work together to provide solutions to autonomous vehicle challenges. DON WILKINS, FORMER U.S. ARMY SIGNAL CORPSTwo different optical technologies — one already deployed, the other still on the drawing board — promise to ease autonomous vehicle integration. Lidar, the optical analog to radar, is deployed in Waymo and Uber vehicles and acts as the eyes, helping autonomous processors “see” the surrounding environment. Optical vehicle-to-vehicle (OV2V) communication is still in the design phase and can transmit a vehicle’s current state to other vehicles. 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