HK1006331A1 - 3-Dimensional vision system utilizing coherent optical detection - Google Patents
3-Dimensional vision system utilizing coherent optical detectionInfo
- Publication number
- HK1006331A1 HK1006331A1 HK98105397A HK98105397A HK1006331A1 HK 1006331 A1 HK1006331 A1 HK 1006331A1 HK 98105397 A HK98105397 A HK 98105397A HK 98105397 A HK98105397 A HK 98105397A HK 1006331 A1 HK1006331 A1 HK 1006331A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- target
- light beam
- local oscillator
- photodetector
- directed toward
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
- G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
- G01B9/02004—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
- G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
- G01B9/02003—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using beat frequencies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02049—Interferometers characterised by particular mechanical design details
- G01B9/02051—Integrated design, e.g. on-chip or monolithic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02056—Passive reduction of errors
- G01B9/02061—Reduction or prevention of effects of tilts or misalignment
-
- 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
-
- 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
- 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
- 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
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
-
- 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
- G01S7/499—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/70—Using polarization in the interferometer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Image Analysis (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2831787A | 1987-03-20 | 1987-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1006331A1 true HK1006331A1 (en) | 1999-02-19 |
Family
ID=21842770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98105397A HK1006331A1 (en) | 1987-03-20 | 1998-06-16 | 3-Dimensional vision system utilizing coherent optical detection |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0283222B1 (de) |
JP (1) | JP2664399B2 (de) |
AT (1) | ATE100214T1 (de) |
CA (1) | CA1330366C (de) |
DE (1) | DE3886966T2 (de) |
HK (1) | HK1006331A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4222642A1 (de) * | 1992-07-10 | 1994-01-13 | Bodenseewerk Geraetetech | Bilderfassende Sensoreinheit |
SG44558A1 (en) * | 1993-05-04 | 1997-12-19 | Xenotech Res Pty Ltd | Stereoscopic display unit |
JP2002333311A (ja) * | 2001-05-10 | 2002-11-22 | Matsushita Electric Ind Co Ltd | 形状測定装置及び方法 |
US6556282B2 (en) * | 2001-09-04 | 2003-04-29 | Rosemount Aerospace, Inc. | Combined LOAS and LIDAR system |
JP5405195B2 (ja) * | 2009-05-22 | 2014-02-05 | 株式会社ミツトヨ | 変位計 |
CA2815094C (en) | 2010-10-25 | 2018-01-16 | Nikon Corporation | Apparatus, optical assembly, method for inspection or measurement of an object and method for manufacturing a structure |
JP5664512B2 (ja) * | 2011-09-26 | 2015-02-04 | 株式会社デンソー | レーダ装置 |
US8724095B2 (en) | 2011-10-25 | 2014-05-13 | Nikon Corporation | Optical assembly for laser radar |
EP2589982A1 (de) * | 2011-11-03 | 2013-05-08 | Leica Geosystems AG | Laserdiode als Interferometer-Laserstrahlquelle in einem Lasertracker |
US8937725B2 (en) | 2012-06-14 | 2015-01-20 | Nikon Corporation | Measurement assembly including a metrology system and a pointer that directs the metrology system |
US10119816B2 (en) | 2012-11-21 | 2018-11-06 | Nikon Metrology Nv | Low drift reference for laser radar |
US9575341B2 (en) * | 2014-06-28 | 2017-02-21 | Intel Corporation | Solid state LIDAR circuit with waveguides tunable to separate phase offsets |
US10353054B2 (en) | 2014-08-12 | 2019-07-16 | Mitsubishi Electric Corporation | Laser radar device |
CN104330802B (zh) * | 2014-10-22 | 2016-11-30 | 谭宏 | 量子雷达及其实现目标探测的方法 |
WO2018198113A1 (en) * | 2017-04-23 | 2018-11-01 | Oryx Vision Ltd. | An optical arrangement for use in an optical coherent detection system |
EP3742199A4 (de) * | 2018-01-15 | 2021-06-23 | Hesai Photonics Technology Co., Ltd | Laserradar und betriebsverfahren dafür |
WO2020072484A1 (en) | 2018-10-01 | 2020-04-09 | Nikon Corporation | An auxiliary focus measurement for a laser radar 3d scanner |
US11709240B2 (en) * | 2018-10-18 | 2023-07-25 | Aeva, Inc. | Descan compensation in scanning LIDAR |
CN114895281B (zh) * | 2022-05-10 | 2023-09-29 | 上海枢光科技有限公司 | 一种本征信号与目标返回信号生成目标信息的方法及装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3717843A (en) * | 1970-03-06 | 1973-02-20 | Bendix Corp | Holographic system for forming images of both stationary and moving objects |
US4188122A (en) * | 1978-03-27 | 1980-02-12 | Rockwell International Corporation | Interferometer |
JPS5855812A (ja) * | 1981-09-30 | 1983-04-02 | Toshiba Corp | レ−ザ測距装置 |
DE3231025C2 (de) * | 1982-08-20 | 1985-09-12 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Einrichtung zur Identifizierung von gepulster Laserstrahlung |
US4572662A (en) * | 1982-11-05 | 1986-02-25 | The United States Of America As Represented By The Secretary Of The Army | Wire and wire like object detection system |
US4594000A (en) * | 1983-04-04 | 1986-06-10 | Ball Corporation | Method and apparatus for optically measuring distance and velocity |
US4611912A (en) * | 1983-04-04 | 1986-09-16 | Ball Corporation | Method and apparatus for optically measuring distance and velocity |
FR2576114B1 (fr) * | 1985-01-11 | 1987-02-13 | Trt Telecom Radio Electr | Analyseur optico-mecanique ayant un champ de telemetrie fixe |
-
1988
- 1988-03-11 DE DE3886966T patent/DE3886966T2/de not_active Expired - Fee Related
- 1988-03-11 EP EP88302159A patent/EP0283222B1/de not_active Expired - Lifetime
- 1988-03-11 AT AT88302159T patent/ATE100214T1/de not_active IP Right Cessation
- 1988-03-17 CA CA000561718A patent/CA1330366C/en not_active Expired - Fee Related
- 1988-03-18 JP JP63065577A patent/JP2664399B2/ja not_active Expired - Fee Related
-
1998
- 1998-06-16 HK HK98105397A patent/HK1006331A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1330366C (en) | 1994-06-21 |
JPS63260390A (ja) | 1988-10-27 |
EP0283222B1 (de) | 1994-01-12 |
JP2664399B2 (ja) | 1997-10-15 |
ATE100214T1 (de) | 1994-01-15 |
DE3886966D1 (de) | 1994-02-24 |
EP0283222A2 (de) | 1988-09-21 |
EP0283222A3 (en) | 1989-03-15 |
DE3886966T2 (de) | 1994-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |