DE112022001940T5 - Optisches modul und abstandsmessvorrichtung - Google Patents

Optisches modul und abstandsmessvorrichtung Download PDF

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Publication number
DE112022001940T5
DE112022001940T5 DE112022001940.9T DE112022001940T DE112022001940T5 DE 112022001940 T5 DE112022001940 T5 DE 112022001940T5 DE 112022001940 T DE112022001940 T DE 112022001940T DE 112022001940 T5 DE112022001940 T5 DE 112022001940T5
Authority
DE
Germany
Prior art keywords
light
diffraction
emitting elements
diffracted
unit
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
DE112022001940.9T
Other languages
German (de)
English (en)
Inventor
Tatsuya Oiwa
Takashi Kobayashi
Motoi Kimura
Jialun XU
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.)
Sony Semiconductor Solutions Corp
Original Assignee
Sony Semiconductor Solutions Corp
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 Sony Semiconductor Solutions Corp filed Critical Sony Semiconductor Solutions Corp
Publication of DE112022001940T5 publication Critical patent/DE112022001940T5/de
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
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple 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
    • 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
    • G01S17/894—Three-dimensional [3D] imaging with simultaneous measurement of time-of-flight at a two-dimensional [2D] array of receiver pixels, e.g. time-of-flight cameras or flash lidar
    • 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
    • G01S7/4813—Housing arrangements

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  • 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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Semiconductor Lasers (AREA)
DE112022001940.9T 2021-03-31 2022-02-15 Optisches modul und abstandsmessvorrichtung Pending DE112022001940T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021062058 2021-03-31
JP2021-062058 2021-03-31
PCT/JP2022/005856 WO2022209369A1 (ja) 2021-03-31 2022-02-15 光学モジュールおよび測距装置

Publications (1)

Publication Number Publication Date
DE112022001940T5 true DE112022001940T5 (de) 2024-03-14

Family

ID=83458367

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112022001940.9T Pending DE112022001940T5 (de) 2021-03-31 2022-02-15 Optisches modul und abstandsmessvorrichtung

Country Status (5)

Country Link
US (1) US20240151821A1 (https=)
JP (1) JPWO2022209369A1 (https=)
CN (1) CN117043629A (https=)
DE (1) DE112022001940T5 (https=)
WO (1) WO2022209369A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130148102A1 (en) 2011-12-12 2013-06-13 Mesa Imaging Ag Method to Compensate for Errors in Time-of-Flight Range Cameras Caused by Multiple Reflections

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004264347A (ja) * 2003-02-06 2004-09-24 Sumitomo Electric Ind Ltd 回折型光学部品およびそれを用いたレーザ加工装置
US10305247B2 (en) * 2016-08-30 2019-05-28 Apple Inc. Radiation source with a small-angle scanning array
CN106842232A (zh) * 2016-12-12 2017-06-13 清华大学 一种激光雷达装置及探测方法
US10473767B2 (en) * 2017-06-19 2019-11-12 Hesai Photonics Technology Co., Ltd. Lidar system and method
WO2019136854A1 (zh) * 2018-01-15 2019-07-18 上海禾赛光电科技有限公司 激光雷达及其工作方法
CN107450190B (zh) * 2017-09-08 2019-12-13 深圳奥比中光科技有限公司 一种衍射光学元件及配制方法
GB2579689A (en) * 2018-08-07 2020-07-01 Cambridge Mechatronics Ltd Improved 3D sensing
JP7200721B2 (ja) * 2019-02-07 2023-01-10 株式会社リコー 面発光レーザモジュール、光源装置、検出装置
WO2020169727A1 (en) * 2019-02-20 2020-08-27 Trinamix Gmbh Detector with a projector for illuminating at least one object
CN111580204A (zh) * 2020-05-27 2020-08-25 杭州驭光光电科技有限公司 衍射光学元件、分区匀光投射系统、电子设备及设计方法
CN111913304A (zh) * 2020-06-12 2020-11-10 嘉兴驭光光电科技有限公司 分区匀光照明光学系统、分区匀光照明投射系统及电子设备

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130148102A1 (en) 2011-12-12 2013-06-13 Mesa Imaging Ag Method to Compensate for Errors in Time-of-Flight Range Cameras Caused by Multiple Reflections

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Zhu Wenjun, et. al: ‚Analysis of the operating point of a novel multiple-active region tunneling-regenerated vertical-cavity surface-emitting laser‘, Proc. of International Conference on Solid-State and Integrated Circuit Technology, Bd. 6, S. 1306-1309

Also Published As

Publication number Publication date
JPWO2022209369A1 (https=) 2022-10-06
CN117043629A (zh) 2023-11-10
US20240151821A1 (en) 2024-05-09
WO2022209369A1 (ja) 2022-10-06

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