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Integrated medium-wave infrared laser radar transmitting device

An infrared laser and emission device technology, applied in the laser field, can solve problems such as harmful to human eyes, susceptible to sunlight interference, and monitoring system interference, and achieve the effects of uniform heat dissipation, small size, and simple structure

Pending Publication Date: 2021-04-09
东台镭创光电技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an integrated mid-wave infrared laser radar transmitter to solve the problems that the existing laser radar easily interferes with the monitoring system, is harmful to human eyes and is easily interfered by sunlight

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  • Integrated medium-wave infrared laser radar transmitting device

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0025] Such as figure 1 As shown, an integrated mid-wave infrared laser radar transmitter includes an LD pumping laser light source 1, a laser crystal 3, a nonlinear frequency doubling crystal 6 and a filter 8 arranged in sequence; the LD pumping laser light source 1 is used for Used as a light source to emit laser light to the laser crystal 3; the laser crystal 3 is used to generate pulsed laser light to the nonlinear frequency doubling crystal 6; the nonlinear frequency doubling crystal 6 is used to double the frequency of the laser; the filter plate 8 is used to double the frequency of the laser The laser filters part of the light beam; the LD pumps the laser light source 1, the laser crysta...

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Abstract

The invention discloses an integrated medium-wave infrared laser radar transmitting device which comprises an LD pump laser source, a laser crystal, a nonlinear frequency doubling crystal and a filter plate which are sequentially arranged. The LD pump laser light source is used as a light source to emit laser to the laser crystal; the laser crystal is used for generating pulse laser and emitting the pulse laser to the nonlinear frequency doubling crystal; the nonlinear frequency doubling crystal is used for doubling the frequency of the laser; the filter plate is used for filtering out part of light beams from the frequency-doubled laser; the LD pump laser source, the laser crystal, the nonlinear frequency doubling crystal and the filter plate are of an integrated packaging structure and generate medium-wave infrared laser output. The laser radar generates medium-wave infrared laser output and emits the laser in a scanning mode, and multi-angle scanning of radar transmitting end signals is achieved.

Description

technical field [0001] The invention belongs to the field of laser technology, and in particular relates to an integrated mid-wave infrared laser radar transmitting device. Background technique [0002] Lidar is a radar system based on the principle of TOF to emit laser beams to detect the position, speed and other characteristic quantities of the target. It is widely used in military and civilian fields. The application of lidar in the field of intelligent driving has great potential, but it is difficult to be widely used due to many unsolvable technical problems. There is interference from the monitoring system; the laser may cause harm to human eyes when used; it is easily interfered by sunlight. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an integrated mid-wave infrared laser radar transmitter to solve the problems that the existing laser radar easily interferes with the monitorin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/109H01S3/06H01S3/0941H01S3/00G01S7/484
CPCH01S3/109H01S3/0085H01S3/0941H01S3/0602G01S7/484
Inventor 孔剑刘景业张慧
Owner 东台镭创光电技术有限公司
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