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An area array lidar

A technology of laser radar and area array, which is applied in the field of optics, can solve problems such as impact, achieve the effect of large detection range, simple control circuit, and long life

Active Publication Date: 2021-03-05
锐驰智光(苏州)科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Mems are similar to mechanical scanning, the lens size is small, the mechanical properties are good, but there are still rotating parts, which will still be affected

Method used

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  • An area array lidar
  • An area array lidar
  • An area array lidar

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Embodiment 1

[0044] In this example, if figure 1 As shown, the area array lidar includes: a laser array 1 , a detector array 2 , a laser optical path adjustment device 3 , a signal light optical path adjustment device 4 , and two optical lenses 5 . The laser array adopts a linear array laser array. The laser array is arranged along the horizontal direction. The laser optical path adjustment device is a plurality of planar optical waveguide PLCs stacked on each other along the horizontal direction. The laser optical path adjustment device is arranged in front of the laser array. The detector array is arranged along the vertical direction. Direction setting, the signal light optical path adjustment device is a plurality of planar optical waveguide PLCs stacked in the vertical direction, and the arrangement direction of the laser array is perpendicular to the detector array.

[0045] In this embodiment, a plurality of planar optical waveguide PLCs are stacked to form two optical cubes, one op...

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Abstract

The invention discloses an area array laser radar. The area array laser radar includes: a laser array, a detector array, a laser optical path adjustment device and a signal light optical path adjustment device. The laser array is arranged in a linear array, the laser array is arranged along the first direction, the laser optical path adjustment device is a plurality of planar optical waveguide PLCs stacked on each other along the first direction, and the laser optical path adjustment device is arranged on the In front of the laser array, the detector array is arranged along the second direction, the signal light optical path adjustment device is a plurality of planar light waveguide PLCs stacked along the second direction, and the first direction and the second direction are mutually vertical.

Description

technical field [0001] The invention relates to the field of optics, in particular to an area array laser radar. Background technique [0002] Lidar is a radar system that emits laser beams to detect characteristic quantities such as the position and speed of targets. In terms of working principle, there is no fundamental difference from microwave radar: the detection signal (laser beam) is sent to the target, and then the received signal (target echo) reflected from the target is compared with the transmitted signal, and after appropriate processing , the relevant information of the target can be obtained, such as target distance, azimuth, height, speed, attitude, and even shape parameters, so as to detect, track and identify aircraft, missiles and other targets. [0003] Lidar can be generally divided into two parts: laser ranging technology and scanning technology. Among them, laser ranging technology mainly solves the problem of distance measurement, while imaging tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/481
CPCG01S7/481G01S7/4817
Inventor 姜波金元浩赵忠尧
Owner 锐驰智光(苏州)科技有限公司
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