Optical device, lighting apparatus, measuring apparatus, part-inspecting apparatus, robot, electronic device, and movable object
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United States of America Patent
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Feb 14, 2023
Grant Date -
Sep 24, 2020
app pub date -
Mar 13, 2020
filing date -
Mar 18, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An optical device includes: a substrate having a first surface, and a second surface opposite of the first surface; a plurality of surface emitting laser elements provided on the first surface of the substrate and configured to emit light in a direction intersecting the first surface; a plurality of optical elements disposed on the second surface so as to respectively correspond to the plurality of surface emitting laser elements; and an anti-reflection structure between the substrate and the plurality of optical elements.
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