Holographic waveguide lidar
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jan 4, 2018
app pub date -
Jan 19, 2016
filing date -
Jan 20, 2015
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Abstract
A holographic waveguide LIDAR having a transmitter waveguide coupled to a beam deflector and a receiver waveguide coupled to a detector module. The transmitter waveguide contains an array of grating elements for diffracting a scanned laser beam into a predefined angular ranges. The receiver waveguide contains an array of grating elements for diffracting light reflected from external points within a predefined angular range towards the detector module.
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