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Light detection and ranging (LiDAR) system and method

  • US 10,473,766 B2
  • Filed: 06/27/2017
  • Issued: 11/12/2019
  • Est. Priority Date: 03/13/2017
  • Status: Active Grant
First Claim
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1. A light detection and ranging (LiDAR) system comprising:

  • a light source;

    an arrayed micro-optic configured to receive light from the light source so as to produce and project a two dimensional array of light spots on a scene, wherein the two dimensions of the array includes a first dimensional direction and a second dimensional direction;

    receiver optics having an array of optical detection sites configured so as to be suitable for establishing a one-to-one correspondence between light spots in the two dimensional array and optical detection sites in the receiver optics;

    a scanner configured to physically oscillate the arrayed micro-optic and the receiver optics synchronously to scan;

    (a) the two dimensional array of light spots and (b) the receiver optics so as to maintain the one-to-one correspondence; and

    a scan controller operable to cause the scanner to move the array of light spots back and forth so as to complete a scan of the scene wherein the spots traverse the scene in the first dimensional direction and in the second dimensional direction no more than 150% of the distance between adjacent spots in the first dimensional direction and in the second dimensional direction, respectively.

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