FLAT OPTICS FOR LIGHT COUPLING
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Nov 13, 2023
filing date -
Nov 10, 2022
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Abstract
System for free-space light coupling between 2-dimensional light transmitter and receiver arrays using flat optics. The system includes: a transmitter array configured to emit one or more light beams; a first flat optic configured to receive the light beams from the transmitter array and generate one or more intermediate light beams; a first spacer disposed between the light transmitter array and the first flat optic; a receiver array; a second flat optic configured to receive the intermediate light beams and generate one or more output light beams toward the receiver array; and a second spacer disposed between the second flat optic and the light receiver array. The TX and RX portions of the light coupling system may be used in LiDAR systems as the light emitter (beam steerer) and detector, respectively. The flat optics are configured to provide a wide field of view for the LiDAR.
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