JP7066075B1 - 光測定装置 - Google Patents

光測定装置 Download PDF

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Publication number
JP7066075B1
JP7066075B1 JP2021573149A JP2021573149A JP7066075B1 JP 7066075 B1 JP7066075 B1 JP 7066075B1 JP 2021573149 A JP2021573149 A JP 2021573149A JP 2021573149 A JP2021573149 A JP 2021573149A JP 7066075 B1 JP7066075 B1 JP 7066075B1
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Japan
Prior art keywords
light
optical path
unit
path length
measurement
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JP2021573149A
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English (en)
Japanese (ja)
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JPWO2022215152A1 (https=
Inventor
隆典 山内
隼也 西岡
広樹 後藤
巨生 鈴木
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of JP7066075B1 publication Critical patent/JP7066075B1/ja
Publication of JPWO2022215152A1 publication Critical patent/JPWO2022215152A1/ja
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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
    • G01S7/491—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
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres

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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)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
JP2021573149A 2021-04-06 2021-04-06 光測定装置 Active JP7066075B1 (ja)

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 (2)

Publication Number Publication Date
JP7066075B1 true JP7066075B1 (ja) 2022-05-12
JPWO2022215152A1 JPWO2022215152A1 (https=) 2022-10-13

Family

ID=81584957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021573149A Active JP7066075B1 (ja) 2021-04-06 2021-04-06 光測定装置

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001041706A (ja) * 1999-07-27 2001-02-16 Mitsubishi Heavy Ind Ltd 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
US6573996B1 (en) * 1997-11-12 2003-06-03 Science Research Laboratory, Inc. Method and apparatus for enhanced precision interferometric distance measurement
JP2008268121A (ja) * 2007-04-24 2008-11-06 Yamatake Corp 光干渉式測定装置
JP2009103688A (ja) * 2007-10-04 2009-05-14 Canon Inc 光干渉断層撮像装置
JP2009222665A (ja) * 2008-03-18 2009-10-01 Toyota Central R&D Labs Inc 距離測定装置および距離測定方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (5)

* 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
JP2001041706A (ja) * 1999-07-27 2001-02-16 Mitsubishi Heavy Ind Ltd 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
JP2008268121A (ja) * 2007-04-24 2008-11-06 Yamatake Corp 光干渉式測定装置
JP2009103688A (ja) * 2007-10-04 2009-05-14 Canon Inc 光干渉断層撮像装置
JP2009222665A (ja) * 2008-03-18 2009-10-01 Toyota Central R&D Labs Inc 距離測定装置および距離測定方法

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
GB202315028D0 (en) 2023-11-15
JPWO2022215152A1 (https=) 2022-10-13
CN117099013A (zh) 2023-11-21
WO2022215152A1 (ja) 2022-10-13
KR102680481B1 (ko) 2024-07-01

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