CN114222929A - 供lidar芯片使用的lidar适配器 - Google Patents

供lidar芯片使用的lidar适配器 Download PDF

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Publication number
CN114222929A
CN114222929A CN202080059006.XA CN202080059006A CN114222929A CN 114222929 A CN114222929 A CN 114222929A CN 202080059006 A CN202080059006 A CN 202080059006A CN 114222929 A CN114222929 A CN 114222929A
Authority
CN
China
Prior art keywords
lidar
signal
chip
adapter
light
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
CN202080059006.XA
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English (en)
Chinese (zh)
Inventor
冯大增
M·阿斯哈里
B·J·拉夫
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.)
Silicon Optical Chip Technology Co
Original Assignee
Silicon Optical Chip Technology Co
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 Silicon Optical Chip Technology Co filed Critical Silicon Optical Chip Technology Co
Publication of CN114222929A publication Critical patent/CN114222929A/zh
Pending legal-status Critical Current

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    • 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
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • 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
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • 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
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
CN202080059006.XA 2019-08-21 2020-08-21 供lidar芯片使用的lidar适配器 Pending CN114222929A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/547,522 US11714167B2 (en) 2019-08-21 2019-08-21 LIDAR adapter for use with LIDAR chip
US16/547522 2019-08-21
PCT/US2020/047530 WO2021035192A1 (en) 2019-08-21 2020-08-21 Lidar adapter for use with lidar chip

Publications (1)

Publication Number Publication Date
CN114222929A true CN114222929A (zh) 2022-03-22

Family

ID=74646803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080059006.XA Pending CN114222929A (zh) 2019-08-21 2020-08-21 供lidar芯片使用的lidar适配器

Country Status (5)

Country Link
US (1) US11714167B2 (https=)
EP (1) EP4018225A4 (https=)
JP (1) JP2022544743A (https=)
CN (1) CN114222929A (https=)
WO (1) WO2021035192A1 (https=)

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US11536805B2 (en) 2018-06-25 2022-12-27 Silc Technologies, Inc. Optical switching for tuning direction of LIDAR output signals
US12535586B2 (en) 2018-08-31 2026-01-27 SiLC Technology, Inc. Reduction of ADC sampling rates in LIDAR systems
US12429569B2 (en) 2019-05-17 2025-09-30 Silc Technologies, Inc. Identification of materials illuminated by LIDAR systems
US11650317B2 (en) 2019-06-28 2023-05-16 Silc Technologies, Inc. Use of frequency offsets in generation of LIDAR data
US11592558B2 (en) * 2020-05-18 2023-02-28 Gm Cruise Holdings Llc Time of flight lidar system using coherent detection scheme
US20220291361A1 (en) * 2021-03-13 2022-09-15 Silc Technologies, Inc. Use of circulator in lidar system
US12541009B2 (en) * 2021-06-17 2026-02-03 Silc Technologies, Inc. Scanning multiple LIDAR system output signals
US12411213B2 (en) 2021-10-11 2025-09-09 Silc Technologies, Inc. Separation of light signals in a LIDAR system
US12553995B2 (en) 2022-02-14 2026-02-17 Silc Technologies, Inc. Data refinement in optical systems
US12578443B2 (en) 2022-04-23 2026-03-17 Silc Technologies, Inc. Data refinement in optical imaging systems
US12422618B2 (en) 2022-10-13 2025-09-23 Silc Technologies, Inc. Buried taper with reflecting surface
US12578439B2 (en) 2023-04-11 2026-03-17 Silc Technologies, Inc. Increasing resolution in imaging systems
WO2024215419A1 (en) * 2023-04-14 2024-10-17 Silc Technologies, Inc. Identification of materials illuminated by lidar systems

Citations (5)

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US20140376000A1 (en) * 2013-06-23 2014-12-25 Acacia Communications Inc. Integrated optical coherence tomography systems and methods
US20140376001A1 (en) * 2013-06-23 2014-12-25 Eric Swanson Integrated optical system and components utilizing tunable optical sources and coherent detection and phased array for imaging, ranging, sensing, communications and other applications
CN104459881A (zh) * 2014-12-31 2015-03-25 武汉邮电科学研究院 偏振不敏感的波分复用型硅基光接收芯片
US20170269215A1 (en) * 2016-03-19 2017-09-21 Velodyne Lidar, Inc. Integrated Illumination And Detection For LIDAR Based 3-D Imaging
JP2019095218A (ja) * 2017-11-17 2019-06-20 株式会社デンソー 測距センサ

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US7339670B2 (en) 2005-07-29 2008-03-04 Lockheed Martin Coherent Technologies, Inc. Wavelength normalized depolarization ratio lidar
EP3009859B1 (en) * 2009-06-26 2021-09-08 Trimble AB Distance measuring device
US9229169B2 (en) * 2011-08-16 2016-01-05 International Business Machines Corporation Lens array optical coupling to photonic chip
US20130083389A1 (en) * 2011-09-30 2013-04-04 Optical Air Data Systems, L.L.C. Laser Doppler Velocimeter Optical Electrical Integrated Circuits
US8879051B2 (en) * 2011-12-23 2014-11-04 Optical Air Data Systems, Llc High power laser doppler velocimeter with multiple amplification stages
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JP6223644B1 (ja) * 2016-12-21 2017-11-01 三菱電機株式会社 レーザレーダ装置
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JP6743761B2 (ja) * 2017-05-29 2020-08-19 株式会社デンソー 測距センサ
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WO2019220513A1 (ja) * 2018-05-14 2019-11-21 株式会社大成テクノロジー 光集積回路、並びにこれを用いた光フェーズドアレイ及びＬｉＤＡＲセンサ

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US20140376000A1 (en) * 2013-06-23 2014-12-25 Acacia Communications Inc. Integrated optical coherence tomography systems and methods
US20140376001A1 (en) * 2013-06-23 2014-12-25 Eric Swanson Integrated optical system and components utilizing tunable optical sources and coherent detection and phased array for imaging, ranging, sensing, communications and other applications
CN104459881A (zh) * 2014-12-31 2015-03-25 武汉邮电科学研究院 偏振不敏感的波分复用型硅基光接收芯片
US20170269215A1 (en) * 2016-03-19 2017-09-21 Velodyne Lidar, Inc. Integrated Illumination And Detection For LIDAR Based 3-D Imaging
JP2019095218A (ja) * 2017-11-17 2019-06-20 株式会社デンソー 測距センサ

Also Published As

Publication number Publication date
JP2022544743A (ja) 2022-10-21
EP4018225A1 (en) 2022-06-29
US20210055388A1 (en) 2021-02-25
US11714167B2 (en) 2023-08-01
WO2021035192A1 (en) 2021-02-25
EP4018225A4 (en) 2023-10-04

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