Nature research paper: Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering
, A 3D FMCW and FAR LiDAR pointcloud image of a letter “W” cutout made of a retroreflective film and placed 1.8 meters away. The frequency chirp excursion is increased to, Photograph of the “W” cutout, which is 4.6 cm wide and 5.0 cm tall. The cutout is tilted to demonstrate the depth measurement.
, X-Z plane projection of the captured image, showing a depth measurement resolution of 7.5 mm. The variation of the standard deviation is due to the finite spot size on the target and the geometry of the target.. FAR LiDAR signal from a target at varying distances between 2-12 meters. The SNR remains >20 dB in the range.. Photo of our laboratory LiDAR demonstration, where targets as far as ~12 meters away are imaged by our LiDAR system.
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