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Overlapping pattern projector

  • US 10,054,430 B2
  • Filed: 03/01/2016
  • Issued: 08/21/2018
  • Est. Priority Date: 08/09/2011
  • Status: Active Grant
First Claim
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1. An optoelectronic device, comprising:

  • a semiconductor substrate;

    an array of optical emitters, arranged on the substrate in a two-dimensional pattern;

    a projection lens, which is mounted on the semiconductor substrate and is configured to collect and focus light emitted by the optical emitters so as to project optical beams containing a light pattern corresponding to the two-dimensional pattern of the optical emitters on the substrate; and

    a diffractive optical element (DOE), which is mounted on the substrate and is configured to produce and project multiple overlapping replicas of the pattern.

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