CA3069130A1 - Ladar transmitter with reimager - Google Patents

Ladar transmitter with reimager Download PDF

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Publication number
CA3069130A1
CA3069130A1 CA3069130A CA3069130A CA3069130A1 CA 3069130 A1 CA3069130 A1 CA 3069130A1 CA 3069130 A CA3069130 A CA 3069130A CA 3069130 A CA3069130 A CA 3069130A CA 3069130 A1 CA3069130 A1 CA 3069130A1
Authority
CA
Canada
Prior art keywords
mirror
scanable
scan
mirrors
scanning
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3069130A
Other languages
English (en)
French (fr)
Inventor
Luis Carlos Dussan
David R. Demmer
John Stockton
Allan STEINHARDT
David Cook
Original Assignee
AEye Inc
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
Priority claimed from US15/644,242 external-priority patent/US10042159B2/en
Application filed by AEye Inc filed Critical AEye Inc
Publication of CA3069130A1 publication Critical patent/CA3069130A1/en
Pending legal-status Critical Current

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
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • 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
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Medicines Containing Plant Substances (AREA)
CA3069130A 2017-07-07 2018-07-06 Ladar transmitter with reimager Pending CA3069130A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/644,242 US10042159B2 (en) 2016-02-18 2017-07-07 Ladar transmitter with optical field splitter/inverter
US15/644,242 2017-07-07
PCT/US2018/041102 WO2019010425A1 (en) 2017-07-07 2018-07-06 LADAR TRANSMITTER WITH REIMAGER

Publications (1)

Publication Number Publication Date
CA3069130A1 true CA3069130A1 (en) 2019-01-10

Family

ID=64950415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3069130A Pending CA3069130A1 (en) 2017-07-07 2018-07-06 Ladar transmitter with reimager

Country Status (7)

Country Link
EP (1) EP3649480B1 (https=)
JP (2) JP2020526755A (https=)
KR (1) KR102596018B1 (https=)
CN (1) CN111108406B (https=)
AU (1) AU2018297336B2 (https=)
CA (1) CA3069130A1 (https=)
WO (1) WO2019010425A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021239444A1 (de) * 2020-05-26 2021-12-02 Osram Gmbh Lidar-mems-winkel-anpassung
CN120194609A (zh) * 2025-03-20 2025-06-24 华中科技大学 一种基于六维传感器的大型构件测量系统及其标定方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10042159B2 (en) 2016-02-18 2018-08-07 Aeye, Inc. Ladar transmitter with optical field splitter/inverter
US10641900B2 (en) 2017-09-15 2020-05-05 Aeye, Inc. Low latency intra-frame motion estimation based on clusters of ladar pulses
US10921431B2 (en) 2017-10-19 2021-02-16 Cepton Technologies Inc. Apparatuses for scanning a lidar system in two dimensions
US10598788B1 (en) 2018-10-25 2020-03-24 Aeye, Inc. Adaptive control of Ladar shot selection using spatial index of prior Ladar return data
US10921450B2 (en) 2019-04-24 2021-02-16 Aeye, Inc. Ladar system and method with frequency domain shuttering
JP7347314B2 (ja) * 2020-04-13 2023-09-20 トヨタ自動車株式会社 センサ及びセンサシステム
JP2023165039A (ja) * 2020-09-07 2023-11-15 ソニーセミコンダクタソリューションズ株式会社 ＬｉＤＡＲ装置、ＬｉＤＡＲシステム、測距方法及びプログラム
CN112014830B (zh) * 2020-09-17 2024-03-29 苏州三六零机器人科技有限公司 雷达激光的反射滤除方法、扫地机器人、设备及存储介质
US11493610B2 (en) 2021-03-26 2022-11-08 Aeye, Inc. Hyper temporal lidar with detection-based adaptive shot scheduling
US11500093B2 (en) 2021-03-26 2022-11-15 Aeye, Inc. Hyper temporal lidar using multiple matched filters to determine target obliquity
US11630188B1 (en) 2021-03-26 2023-04-18 Aeye, Inc. Hyper temporal lidar with dynamic laser control using safety models
US11480680B2 (en) 2021-03-26 2022-10-25 Aeye, Inc. Hyper temporal lidar with multi-processor return detection
US11635495B1 (en) 2021-03-26 2023-04-25 Aeye, Inc. Hyper temporal lidar with controllable tilt amplitude for a variable amplitude scan mirror
US11604264B2 (en) 2021-03-26 2023-03-14 Aeye, Inc. Switchable multi-lens Lidar receiver
US11467263B1 (en) 2021-03-26 2022-10-11 Aeye, Inc. Hyper temporal lidar with controllable variable laser seed energy
JP7707283B2 (ja) * 2021-03-29 2025-07-14 富士フイルム株式会社 光学系及び光走査装置
CN115656971A (zh) * 2022-11-08 2023-01-31 深圳亿维瑞光科技有限公司 一种光路结构及混合固态激光雷达
WO2025205983A1 (ja) * 2024-03-27 2025-10-02 パナソニックＩｐマネジメント株式会社 光走査装置および画像表示装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245590B1 (en) * 1999-08-05 2001-06-12 Microvision Inc. Frequency tunable resonant scanner and method of making
KR20050117047A (ko) * 2004-06-09 2005-12-14 삼성전자주식회사 주사각 확장 광학 시스템 및 이를 구비한 레이저 스캐닝장치
IL185355A (en) * 2007-08-19 2012-05-31 Sason Sourani Optical device for projection of light beams
WO2012051700A1 (en) * 2010-10-22 2012-04-26 Neptec Design Group Ltd. Wide angle bistatic scanning optical ranging sensor
JP5532003B2 (ja) * 2011-03-31 2014-06-25 株式会社デンソーウェーブ レーザレーダ装置
JP5702230B2 (ja) * 2011-06-01 2015-04-15 日本信号株式会社 光走査装置
US8520219B2 (en) * 2011-12-19 2013-08-27 Perceptron, Inc. Non-contact sensor having improved laser spot
US9285477B1 (en) * 2013-01-25 2016-03-15 Apple Inc. 3D depth point cloud from timing flight of 2D scanned light beam pulses
DE112013002041B4 (de) * 2013-03-11 2021-06-10 Intel Corporation Apparate zur Bereitstellung eines vergrößerten Sichtfelds für einen Abtastspiegel mit mikro-elektromechanischem System
JP2015014757A (ja) * 2013-07-08 2015-01-22 株式会社豊田中央研究所 走査光学系、光走査装置、及び距離測定装置
JP6459239B2 (ja) * 2014-06-20 2019-01-30 船井電機株式会社 レーザレンジファインダ
WO2015199736A1 (en) * 2014-06-27 2015-12-30 Hrl Laboratories, Llc Compressive scanning lidar
US10078133B2 (en) 2014-08-15 2018-09-18 Aeye, Inc. Method and system for ladar transmission with closed loop feedback control of dynamic scan patterns
CN108027503B (zh) * 2015-05-18 2020-09-01 亮锐控股有限公司 照明系统
CN104914445B (zh) * 2015-05-29 2017-07-07 长春理工大学 用于激光雷达的复合式扫描系统
US10042159B2 (en) * 2016-02-18 2018-08-07 Aeye, Inc. Ladar transmitter with optical field splitter/inverter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021239444A1 (de) * 2020-05-26 2021-12-02 Osram Gmbh Lidar-mems-winkel-anpassung
CN120194609A (zh) * 2025-03-20 2025-06-24 华中科技大学 一种基于六维传感器的大型构件测量系统及其标定方法

Also Published As

Publication number Publication date
JP2023062191A (ja) 2023-05-02
CN111108406B (zh) 2024-06-04
EP3649480A4 (en) 2021-02-24
JP2020526755A (ja) 2020-08-31
CN111108406A (zh) 2020-05-05
AU2018297336A1 (en) 2020-01-30
EP3649480B1 (en) 2025-09-03
WO2019010425A1 (en) 2019-01-10
AU2018297336B2 (en) 2023-07-27
KR102596018B1 (ko) 2023-10-30
KR20200024888A (ko) 2020-03-09
EP3649480A1 (en) 2020-05-13

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