WO2023116918A3 - 一种激光雷达发射系统和激光雷达装置 - Google Patents

一种激光雷达发射系统和激光雷达装置 Download PDF

Info

Publication number
WO2023116918A3
WO2023116918A3 PCT/CN2022/141617 CN2022141617W WO2023116918A3 WO 2023116918 A3 WO2023116918 A3 WO 2023116918A3 CN 2022141617 W CN2022141617 W CN 2022141617W WO 2023116918 A3 WO2023116918 A3 WO 2023116918A3
Authority
WO
WIPO (PCT)
Prior art keywords
laser radar
laser
transmitting system
lens body
exit surface
Prior art date
Application number
PCT/CN2022/141617
Other languages
English (en)
French (fr)
Other versions
WO2023116918A2 (zh
Inventor
张正正
陈梦
Original Assignee
武汉万集光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉万集光电技术有限公司 filed Critical 武汉万集光电技术有限公司
Publication of WO2023116918A2 publication Critical patent/WO2023116918A2/zh
Publication of WO2023116918A3 publication Critical patent/WO2023116918A3/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/484—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4865—Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

一种激光雷达发射系统和激光雷达装置，其中，激光雷达发射系统包括激光发射器（100）和准直透镜（200），准直透镜（200）包括透镜主体（210）和消光件（220），透镜主体（210）形成有相对的入射面（211）和出射面（212）；其中，入射面（211）用于供激光光束射入，出射面（212）用于供激光光束射出，以使激光光束经过透镜主体（210）后出射为平行光;消光件（220）设置在入射面（211）或出射面（212），用于消除透镜主体（210）内的被出射面（212）反射的激光光束。该结构可以抑制鬼反杂散光。
PCT/CN2022/141617 2021-12-24 2022-12-23 一种激光雷达发射系统和激光雷达装置 WO2023116918A2 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111603045.4 2021-12-24
CN202111603045.4A CN116338633A (zh) 2021-12-24 2021-12-24 一种激光雷达发射系统和激光雷达装置

Publications (2)

Publication Number Publication Date
WO2023116918A2 WO2023116918A2 (zh) 2023-06-29
WO2023116918A3 true WO2023116918A3 (zh) 2023-08-03

Family

ID=86890241

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/141617 WO2023116918A2 (zh) 2021-12-24 2022-12-23 一种激光雷达发射系统和激光雷达装置

Country Status (2)

Country Link
CN (1) CN116338633A (zh)
WO (1) WO2023116918A2 (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108594263A (zh) * 2018-01-30 2018-09-28 北醒（北京）光子科技有限公司 一种激光雷达及无人驾驶系统
CN109870825A (zh) * 2017-12-01 2019-06-11 北京万集科技股份有限公司 一种基于mems振镜的准直系统及激光雷达
WO2019171726A1 (ja) * 2018-03-08 2019-09-12 パナソニックＩｐマネジメント株式会社 レーザレーダ
WO2020116078A1 (ja) * 2018-12-03 2020-06-11 パナソニックＩｐマネジメント株式会社 レーザレーダ
CN112513669A (zh) * 2020-01-03 2021-03-16 深圳市速腾聚创科技有限公司 激光收发模块和激光雷达
CN112816962A (zh) * 2021-04-19 2021-05-18 上海思岚科技有限公司 一种激光雷达同轴光学核心装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109870825A (zh) * 2017-12-01 2019-06-11 北京万集科技股份有限公司 一种基于mems振镜的准直系统及激光雷达
CN108594263A (zh) * 2018-01-30 2018-09-28 北醒（北京）光子科技有限公司 一种激光雷达及无人驾驶系统
WO2019171726A1 (ja) * 2018-03-08 2019-09-12 パナソニックＩｐマネジメント株式会社 レーザレーダ
WO2020116078A1 (ja) * 2018-12-03 2020-06-11 パナソニックＩｐマネジメント株式会社 レーザレーダ
CN112513669A (zh) * 2020-01-03 2021-03-16 深圳市速腾聚创科技有限公司 激光收发模块和激光雷达
CN112816962A (zh) * 2021-04-19 2021-05-18 上海思岚科技有限公司 一种激光雷达同轴光学核心装置

Also Published As

Publication number Publication date
CN116338633A (zh) 2023-06-27
WO2023116918A2 (zh) 2023-06-29

Similar Documents

Publication Publication Date Title
US10018725B2 (en) LIDAR imaging system
US11835652B2 (en) LiDAR system with cylindrical lenses
US7234265B1 (en) Internal red dot sight
ATE404885T1 (de) Abtastender laserradar mit einem strahlteiler
CN101692126B (zh) 激光雷达对称分布式光束发射接收方法与装置
IL308961A (en) Exposure and spread of light with transmission and reception paths aligned together
CN109450562B (zh) 离轴双波段激光通信综合性能测试系统及方法
JPS5640737A (en) Damage detector for optical fiber for laser power transmission
WO2020094129A1 (zh) 激光雷达系统及激光雷达
CN104977725A (zh) 用于光电吊舱的光学系统
CN112596230B (zh) 用于光电跟踪主动层析照明的光路系统
CN106383354A (zh) 一种无盲区同轴装置
CN207396732U (zh) 一种多线激光雷达光路系统
WO2011043682A3 (en) Method and device for coupling laser light derived from at least two laser sources into one optical fiber
CN202432373U (zh) 电视机背光源系统及电视机
WO2014203139A4 (en) Modular optics for scanning engine
CN206450829U (zh) 一种无盲区同轴装置及红外测距装置
CN114465075A (zh) 一种产生一字线组的一字线激光器
CN112771403A (zh) 激光雷达
WO2023116918A3 (zh) 一种激光雷达发射系统和激光雷达装置
CN109581677B (zh) 一种楔角片分光的光路监控装置以及系统
CN209248019U (zh) 一种激光雷达的光学系统
EP3640710A3 (en) Near-eye display apparatus
EP3332277B1 (en) Backscatter reductant anamorphic beam sampler
CN209911560U (zh) 一种用于大气探测的激光雷达收发共光路光学布局系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22910224

Country of ref document: EP

Kind code of ref document: A2