EP3676631A4 - Shared waveguide for a lidar transmitter and receiver - Google Patents

Shared waveguide for a lidar transmitter and receiver Download PDF

Info

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.)
Pending
Application number
EP18852999.4A
Other languages
German (de)
French (fr)
Other versions
EP3676631A1 (en
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/en
Publication of EP3676631A4 publication Critical patent/EP3676631A4/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
    • 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 Shared waveguide for a lidar transmitter and receiver Pending EP3676631A4 (en)

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 a lidar transmitter and receiver

Publications (2)

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

Family

ID=65635356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18852999.4A Pending EP3676631A4 (en) 2017-09-05 2018-08-03 Shared waveguide for a lidar transmitter and receiver

Country Status (4)

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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US10613200B2 (en) 2017-09-19 2020-04-07 Veoneer, Inc. Scanning lidar system and method
US11460550B2 (en) 2017-09-19 2022-10-04 Veoneer Us, Llc Direct detection LiDAR system and method with synthetic doppler processing
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
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
US20230008790A1 (en) * 2019-12-02 2023-01-12 Beijing Roborock Technology Co., Ltd. Laser ranging device and robot
US11326758B1 (en) 2021-03-12 2022-05-10 Veoneer Us, Inc. Spotlight illumination system using optical element
CN115236636A (en) * 2021-04-16 2022-10-25 上海禾赛科技有限公司 Receiving device and laser radar
US11732858B2 (en) 2021-06-18 2023-08-22 Veoneer Us, Llc Headlight illumination system using optical element

Citations (3)

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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
JP3675153B2 (en) * 1998-02-13 2005-07-27 石川島播磨重工業株式会社 Optical measuring device
KR100324797B1 (en) * 2000-03-27 2002-02-20 이재승 Wavelength-division-multiplexed free-space optical communication systems
JP2002098762A (en) * 2000-09-26 2002-04-05 Nikon Corp Electro-optical distance measuring instrument
US6522437B2 (en) * 2001-02-15 2003-02-18 Harris Corporation Agile multi-beam free-space optical communication apparatus
TW591248B (en) * 2001-05-12 2004-06-11 Samsung Electronics Co Ltd Many-sided reflection prism and optical pickup
US6639201B2 (en) * 2001-11-07 2003-10-28 Applied Materials, Inc. Spot grid array imaging system
US7038191B2 (en) * 2003-03-13 2006-05-02 The Boeing Company Remote sensing apparatus and method
WO2007025363A1 (en) * 2005-09-02 2007-03-08 Neptec Apparatus and method for tracking an object
CN101776760A (en) * 2010-02-09 2010-07-14 中国科学院上海技术物理研究所 Laser three-dimensional imaging device based on single-photon detector
US20110286006A1 (en) * 2010-05-19 2011-11-24 Mitutoyo Corporation Chromatic confocal point sensor aperture configuration
ITTO20110298A1 (en) * 2011-04-01 2012-10-02 St Microelectronics Srl CONFOCAL OPTICAL DETECTOR, DETECTOR RING AND ITS MANUFACTURING PROCEDURE
DE102011076493A1 (en) * 2011-05-26 2012-11-29 Hilti Aktiengesellschaft Measuring device for distance measurement
NL2009901C2 (en) * 2012-11-29 2014-06-04 Phyco Trading B V VEHICLE.
WO2014099776A1 (en) * 2012-12-18 2014-06-26 Pacific Biosciences Of California, Inc. Illumination of optical analytical devices
US8836922B1 (en) * 2013-08-20 2014-09-16 Google Inc. Devices and methods for a rotating LIDAR platform with a shared transmit/receive path
US10036801B2 (en) * 2015-03-05 2018-07-31 Big Sky Financial Corporation Methods and apparatus for increased precision and improved range in a multiple detector LiDAR array
CN105022048B (en) * 2015-07-03 2017-10-31 中国科学院光电技术研究所 A kind of multiple beam Non-scanning mode coherent detection Doppler anemometry laser radar optical system

Patent Citations (3)

* 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
JP2020532731A (en) 2020-11-12
JP6935007B2 (en) 2021-09-15
CN111051915A (en) 2020-04-21
EP3676631A1 (en) 2020-07-08
WO2019050643A1 (en) 2019-03-14

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