EP3676631A4 - Gemeinsam genutzter wellenleiter für einen lidarsender und -empfänger - Google Patents

Gemeinsam genutzter wellenleiter für einen lidarsender und -empfänger Download PDF

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Publication number
EP3676631A4
EP3676631A4 EP18852999.4A EP18852999A EP3676631A4 EP 3676631 A4 EP3676631 A4 EP 3676631A4 EP 18852999 A EP18852999 A EP 18852999A EP 3676631 A4 EP3676631 A4 EP 3676631A4
Authority
EP
European Patent Office
Prior art keywords
receiver
lidar transmitter
shared waveguide
waveguide
shared
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.)
Withdrawn
Application number
EP18852999.4A
Other languages
English (en)
French (fr)
Other versions
EP3676631A1 (de
Inventor
Pierre-Yves Droz
David Neil HUTCHISON
Ralph Hamilton SHEPARD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Waymo LLC
Original Assignee
Waymo LLC
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 Waymo LLC filed Critical Waymo LLC
Publication of EP3676631A1 publication Critical patent/EP3676631A1/de
Publication of EP3676631A4 publication Critical patent/EP3676631A4/de
Withdrawn legal-status Critical Current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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
EP18852999.4A 2017-09-05 2018-08-03 Gemeinsam genutzter wellenleiter für einen lidarsender und -empfänger Withdrawn EP3676631A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201715695833A 2017-09-05 2017-09-05
PCT/US2018/045104 WO2019050643A1 (en) 2017-09-05 2018-08-03 SHARED WAVEGUIDE FOR LIDAR TRANSMITTER AND RECEIVER

Publications (2)

Publication Number Publication Date
EP3676631A1 EP3676631A1 (de) 2020-07-08
EP3676631A4 true EP3676631A4 (de) 2021-04-14

Family

ID=65635356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18852999.4A Withdrawn EP3676631A4 (de) 2017-09-05 2018-08-03 Gemeinsam genutzter wellenleiter für einen lidarsender und -empfänger

Country Status (4)

Country Link
EP (1) EP3676631A4 (de)
JP (1) JP6935007B2 (de)
CN (1) CN111051915A (de)
WO (1) WO2019050643A1 (de)

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US10838062B2 (en) 2016-05-24 2020-11-17 Veoneer Us, Inc. Direct detection LiDAR system and method with pulse amplitude modulation (AM) transmitter and quadrature receiver
US10838043B2 (en) * 2017-11-15 2020-11-17 Veoneer Us, Inc. Scanning LiDAR system and method with spatial filtering for reduction of ambient light
US11460550B2 (en) 2017-09-19 2022-10-04 Veoneer Us, Llc Direct detection LiDAR system and method with synthetic doppler processing
US10613200B2 (en) 2017-09-19 2020-04-07 Veoneer, Inc. Scanning lidar system and method
US11194022B2 (en) 2017-09-29 2021-12-07 Veoneer Us, Inc. Detection system with reflection member and offset detection array
US10684370B2 (en) 2017-09-29 2020-06-16 Veoneer Us, Inc. Multifunction vehicle detection system
US11585901B2 (en) 2017-11-15 2023-02-21 Veoneer Us, Llc Scanning lidar system and method with spatial filtering for reduction of ambient light
WO2020205673A1 (en) * 2019-03-29 2020-10-08 Voyant Photonics, Inc. On-chip mirror beamforming
US11579257B2 (en) 2019-07-15 2023-02-14 Veoneer Us, Llc Scanning LiDAR system and method with unitary optical element
US11474218B2 (en) 2019-07-15 2022-10-18 Veoneer Us, Llc Scanning LiDAR system and method with unitary optical element
US11313969B2 (en) 2019-10-28 2022-04-26 Veoneer Us, Inc. LiDAR homodyne transceiver using pulse-position modulation
US11156699B2 (en) 2019-10-29 2021-10-26 Waymo Llc Multilayer optical devices and systems
EP4071514A4 (de) * 2019-12-02 2023-12-20 Beijing Roborock Technology Co., Ltd. Laserentfernungsmessvorrichtung und roboter
US12044800B2 (en) 2021-01-14 2024-07-23 Magna Electronics, Llc Scanning LiDAR system and method with compensation for transmit laser pulse effects
US11326758B1 (en) 2021-03-12 2022-05-10 Veoneer Us, Inc. Spotlight illumination system using optical element
CN115236636A (zh) * 2021-04-16 2022-10-25 上海禾赛科技有限公司 接收装置和激光雷达
US11732858B2 (en) 2021-06-18 2023-08-22 Veoneer Us, Llc Headlight illumination system using optical element
US12444068B2 (en) 2022-08-01 2025-10-14 Lg Innotek Co., Ltd. Optical inspection based on repetitive feature comparison
US12228653B2 (en) 2022-10-07 2025-02-18 Magna Electronics, Llc Integrating a sensing system into headlight optics
US12092278B2 (en) 2022-10-07 2024-09-17 Magna Electronics, Llc Generating a spotlight
US12202396B1 (en) 2023-12-19 2025-01-21 Magna Electronics, Llc Line-scan-gated imaging for LiDAR headlight
CN120779368A (zh) * 2024-04-03 2025-10-14 深圳市速腾聚创科技有限公司 激光雷达及可移动设备

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US5835458A (en) * 1994-09-09 1998-11-10 Gemfire Corporation Solid state optical data reader using an electric field for routing control
WO2001045429A2 (en) * 1999-11-22 2001-06-21 Ksm Associates, Inc. Devices for information processing in optical communications
US20160363669A1 (en) * 2015-06-12 2016-12-15 Shanghai Jadic Optoelectronics Technology Co., Ltd. Lidar imaging system

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US5391869A (en) * 1993-03-29 1995-02-21 United Technologies Corporation Single-side growth reflection-based waveguide-integrated photodetector
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JP2002098762A (ja) * 2000-09-26 2002-04-05 Nikon Corp 光波測距装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5835458A (en) * 1994-09-09 1998-11-10 Gemfire Corporation Solid state optical data reader using an electric field for routing control
WO2001045429A2 (en) * 1999-11-22 2001-06-21 Ksm Associates, Inc. Devices for information processing in optical communications
US20160363669A1 (en) * 2015-06-12 2016-12-15 Shanghai Jadic Optoelectronics Technology Co., Ltd. Lidar imaging system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019050643A1 *

Also Published As

Publication number Publication date
JP6935007B2 (ja) 2021-09-15
WO2019050643A1 (en) 2019-03-14
EP3676631A1 (de) 2020-07-08
CN111051915A (zh) 2020-04-21
JP2020532731A (ja) 2020-11-12

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