Laser radar
The embodiment of the invention relates to a laser radar. The laser radar comprises a mode-locked laser array, an optical switch, a first optical amplifier, an optical modulator, a light divergence element and a photodiode array, wherein the mode-locked laser array comprises a plurality of mode-lock...
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Format | Patent |
Language | Chinese English |
Published |
09.06.2020
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Abstract | The embodiment of the invention relates to a laser radar. The laser radar comprises a mode-locked laser array, an optical switch, a first optical amplifier, an optical modulator, a light divergence element and a photodiode array, wherein the mode-locked laser array comprises a plurality of mode-locked lasers arranged in a one-dimensional straight line, and is used for transmitting laser pulses, the laser forms an optical frequency comb, the optical switch is used for controlling the laser pulses to be emitted according to a preset time sequence, the first optical amplifier is used for amplifying laser beams and the light returned from a surface of a measured object, the optical modulator is used for deflecting the amplified laser beams at a first plane, the light divergence element is usedfor enabling the laser modulated by the light modulator to be emitted to a certain spatial angle range in a divergent fan shape and to irradiate a dot matrix of a linear array of a measured object plane, and the photodiode a |
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AbstractList | The embodiment of the invention relates to a laser radar. The laser radar comprises a mode-locked laser array, an optical switch, a first optical amplifier, an optical modulator, a light divergence element and a photodiode array, wherein the mode-locked laser array comprises a plurality of mode-locked lasers arranged in a one-dimensional straight line, and is used for transmitting laser pulses, the laser forms an optical frequency comb, the optical switch is used for controlling the laser pulses to be emitted according to a preset time sequence, the first optical amplifier is used for amplifying laser beams and the light returned from a surface of a measured object, the optical modulator is used for deflecting the amplified laser beams at a first plane, the light divergence element is usedfor enabling the laser modulated by the light modulator to be emitted to a certain spatial angle range in a divergent fan shape and to irradiate a dot matrix of a linear array of a measured object plane, and the photodiode a |
Author | JIANG YOUSHAN LIN WENXIONG |
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DocumentTitleAlternate | 一种激光雷达 |
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Notes | Application Number: CN201811456884 |
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RelatedCompanies | FUJIAN TIANRUI PHOTOELECTRIC CO., LTD FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY OF SCIENCES |
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Snippet | The embodiment of the invention relates to a laser radar. The laser radar comprises a mode-locked laser array, an optical switch, a first optical amplifier, an... |
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SubjectTerms | 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 |
Title | Laser radar |
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