LIDAR DEVICE AND TRANSMISSION/RECEPTION SEPARATION DEVICE

Herein disclosed is a LiDAR device including: a light source (1) to output laser light; a demultiplexer/distributor (2) to receive the laser light output from the light source (1) and to output local oscillation light and a plurality of signal light beams; a plurality of amplifiers (5) corresponding...

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Bibliographic Details
Main Authors HIROSAWA, Kenichi, NISHIDA, Mio, YANAGISAWA, Takayuki
Format Patent
LanguageEnglish
French
German
Published 25.10.2023
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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Summary:Herein disclosed is a LiDAR device including: a light source (1) to output laser light; a demultiplexer/distributor (2) to receive the laser light output from the light source (1) and to output local oscillation light and a plurality of signal light beams; a plurality of amplifiers (5) corresponding to the respective signal light beams output from the demultiplexer/distributor (2), the plurality of amplifiers (5) being configured to amplify the respective signal light beams; a plurality of light transmission/reception devices (7) corresponding to the respective amplifiers (5), to emit, as transmission light, the signal light beams output from the corresponding amplifiers (5) into space, and to receive, as reception light, scattered light from a measurement target present in space; a signal processing device (8) to calculate a distance to the measurement target and a property of the measurement target on a basis of the reception light from the plurality of light transmission/reception devices (7) and the local oscillation light from the demultiplexer/distributor (2); and a plurality of transmission/reception separation devices (6) corresponding to the respective amplifiers (5) and the respective light transmission/reception devices (7), the plurality of transmission/reception separation devices (6) being configured to couple the transmission light from the amplifiers (5) to the respective light transmission/reception devices (7) and to couple the reception light received by the respective light transmission/reception devices (7) to the corresponding signal processing device (8).
Bibliography:Application Number: EP20210922830