LiDAR Instrument (IMAGE) Optica Caption The LiDAR instrument aims a laser beam downward through a hole in the bottom of the plane. The beam was angled backward so that the light's reflection on the water is deflected away and does not saturate the receiver. Credit Joseph A. Shaw, Montana State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.