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US 2024/0192324 A1Published application
GRATING STRUCTURE AND LiDAR DEVICE INCLUDING THE SAME
AssigneeSamsung Electronics Co., Ltd.
InventorsWoosung KIM, Hyunil BYUN
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Abstract
Provided is a grating structure including a grating layer including a first surface, a second surface opposite to the first surface, and a plurality of grating teeth between the first surface and the second surface, a slab layer on a surface of at least one of the plurality of grating teeth, and a heater on at least one of the first surface, the second surface, and the plurality of grating teeth.
Claims20
A grating structure comprising:
- a grating layer comprising a first surface, a second surface opposite to the first surface, and a plurality of grating teeth between the first surface and the second surface;
- a slab layer on a surface of at least one of the plurality of grating teeth;
- and
- a heater on at least one of the first surface, the second surface, and the plurality of grating teeth.
1 more element
An optical phased array device comprising:
- a multiplexer configured to receive and multiplex light;
- a light distribution device configured to distribute the light passing through the multiplexer;
- a light modulator configured to modulate the multiplexed light distributed by the light distribution device;
- and
- an output device configured to receive light from the light modulator and simultaneously emit a plurality of output lights,
- wherein the multiplexer comprises:
- a grating layer comprising a first surface, a second surface opposite to the first surface, and a plurality of grating teeth between the first surface and the second surface;
- a slab layer on a surface of at least one of the plurality of grating teeth;
- and
- a heater on at least one of the first surface, the second surface, and the plurality of grating teeth.
7 more elements
A light detection and ranging (LiDAR) device comprising:
- a light source;
- a steering device;
- a detector;
- and
- a processor,
- wherein the steering device comprises an optical phased array device that comprises:
- a multiplexer configured to receive and multiplex light from the light source;
- a light distribution device configured to distribute the light passing through the multiplexer;
- a light modulator configured to modulate the multiplexed light distributed by the light distribution device;
- and
- an output device configured to receive light from the light modulator and simultaneously emit a plurality of output lights,
- wherein the multiplexer comprises:
- a grating layer comprising a first surface, a second surface opposite to the first surface, and a plurality of grating teeth between the first surface and the second surface;
- a slab layer disposed on a surface of at least one of the plurality of grating teeth;
- and
- a heater on at least one of the first surface, the second surface, and the plurality of grating teeth of the grating layer.
13 more elements
Dependencies are inferred from the claim text.