CN117099013A - 光测定装置 - Google Patents

光测定装置 Download PDF

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Publication number
CN117099013A
CN117099013A CN202180096571.8A CN202180096571A CN117099013A CN 117099013 A CN117099013 A CN 117099013A CN 202180096571 A CN202180096571 A CN 202180096571A CN 117099013 A CN117099013 A CN 117099013A
Authority
CN
China
Prior art keywords
light
measurement
unit
optical path
path length
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
CN202180096571.8A
Other languages
English (en)
Chinese (zh)
Inventor
山内隆典
西冈隼也
后藤广树
铃木巨生
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN117099013A publication Critical patent/CN117099013A/zh
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
    • G01S17/02—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
    • 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
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4913—Circuits for detection, sampling, integration or read-out
    • 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
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
CN202180096571.8A 2021-04-06 2021-04-06 光测定装置 Pending CN117099013A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/014590 WO2022215152A1 (ja) 2021-04-06 2021-04-06 光測定装置

Publications (1)

Publication Number Publication Date
CN117099013A true CN117099013A (zh) 2023-11-21

Family

ID=81584957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180096571.8A Pending CN117099013A (zh) 2021-04-06 2021-04-06 光测定装置

Country Status (6)

Country Link
US (1) US20230367011A1 (https=)
JP (1) JP7066075B1 (https=)
KR (1) KR102680481B1 (https=)
CN (1) CN117099013A (https=)
GB (1) GB2620312B (https=)
WO (1) WO2022215152A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102650419B1 (ko) * 2021-06-18 2024-03-21 미쓰비시덴키 가부시키가이샤 광 센서 장치
CN117269949B (zh) * 2023-11-22 2024-02-13 深圳市中图仪器股份有限公司 用于扩展调频连续波测距范围的方法及装置
JP7738798B1 (ja) * 2024-05-31 2025-09-12 三菱電機株式会社 光測距装置および光測距方法
WO2025248797A1 (ja) * 2024-05-31 2025-12-04 三菱電機株式会社 光測距装置および光測距方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6573996B1 (en) * 1997-11-12 2003-06-03 Science Research Laboratory, Inc. Method and apparatus for enhanced precision interferometric distance measurement
JP3513432B2 (ja) * 1999-07-27 2004-03-31 三菱重工業株式会社 光周波数領域反射測定装置および光周波数領域反射測定方法
JP4892401B2 (ja) * 2007-04-24 2012-03-07 株式会社山武 光干渉式測定装置
JP5339828B2 (ja) * 2007-10-04 2013-11-13 キヤノン株式会社 光干渉断層撮像装置及び光干渉断層撮像方法
JP5663824B2 (ja) * 2008-03-18 2015-02-04 株式会社豊田中央研究所 距離測定装置
JP4916573B2 (ja) * 2010-01-28 2012-04-11 パナソニック株式会社 光干渉計測方法および光干渉計測装置
US20160291137A1 (en) * 2013-12-10 2016-10-06 Mitsubishi Electric Corporation Laser radar device
KR101941581B1 (ko) * 2016-09-08 2019-01-24 휴멘 주식회사 광학식 거리 측정 장치
US10401495B2 (en) * 2017-07-10 2019-09-03 Blackmore Sensors and Analytics Inc. Method and system for time separated quadrature detection of doppler effects in optical range measurements
JP7074311B2 (ja) * 2017-08-30 2022-05-24 国立研究開発法人産業技術総合研究所 光学的距離測定装置および測定方法
US11327176B2 (en) * 2017-12-27 2022-05-10 Mitsubishi Electric Corporation Laser radar device
CN108562887A (zh) * 2018-04-27 2018-09-21 北京工业大学 一种基于波分复用的多波长激光雷达
JP7169642B2 (ja) 2018-11-28 2022-11-11 国立研究開発法人産業技術総合研究所 光学的測定装置及び測定方法
US11754681B2 (en) * 2019-04-04 2023-09-12 Aeva, Inc. LIDAR system with a multi-mode waveguide photodetector
EP3994488A4 (en) * 2019-07-04 2023-07-19 Baraja Pty Ltd HOMODYNE RECEPTION ARCHITECTURE IN A SPATIAL ESTIMATION SYSTEM

Also Published As

Publication number Publication date
GB2620312A (en) 2024-01-03
KR20230128381A (ko) 2023-09-04
US20230367011A1 (en) 2023-11-16
GB2620312B (en) 2024-08-21
JP7066075B1 (ja) 2022-05-12
GB202315028D0 (en) 2023-11-15
JPWO2022215152A1 (https=) 2022-10-13
WO2022215152A1 (ja) 2022-10-13
KR102680481B1 (ko) 2024-07-01

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