ATE100214T1 - Bildsystem in drei dimensionen mit kohaerenter optischer detektion. - Google Patents

Bildsystem in drei dimensionen mit kohaerenter optischer detektion.

Info

Publication number
ATE100214T1
ATE100214T1 AT88302159T AT88302159T ATE100214T1 AT E100214 T1 ATE100214 T1 AT E100214T1 AT 88302159 T AT88302159 T AT 88302159T AT 88302159 T AT88302159 T AT 88302159T AT E100214 T1 ATE100214 T1 AT E100214T1
Authority
AT
Austria
Prior art keywords
target
light beam
local oscillator
photodetector
directed toward
Prior art date
Application number
AT88302159T
Other languages
English (en)
Inventor
Frank Eugene Goodwin
Dana Simonson
Original Assignee
Digital Optronics 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 Digital Optronics Corp filed Critical Digital Optronics Corp
Application granted granted Critical
Publication of ATE100214T1 publication Critical patent/ATE100214T1/de

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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (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)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Holo Graphy (AREA)
  • Image Analysis (AREA)
AT88302159T 1987-03-20 1988-03-11 Bildsystem in drei dimensionen mit kohaerenter optischer detektion. ATE100214T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2831787A 1987-03-20 1987-03-20
EP88302159A EP0283222B1 (de) 1987-03-20 1988-03-11 Bildsystem in drei Dimensionen mit kohärenter optischer Detektion

Publications (1)

Publication Number Publication Date
ATE100214T1 true ATE100214T1 (de) 1994-01-15

Family

ID=21842770

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88302159T ATE100214T1 (de) 1987-03-20 1988-03-11 Bildsystem in drei dimensionen mit kohaerenter optischer detektion.

Country Status (5)

Country Link
EP (1) EP0283222B1 (de)
JP (1) JP2664399B2 (de)
AT (1) ATE100214T1 (de)
CA (1) CA1330366C (de)
DE (1) DE3886966T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222642A1 (de) * 1992-07-10 1994-01-13 Bodenseewerk Geraetetech Bilderfassende Sensoreinheit
CA2162036A1 (en) * 1993-05-04 1994-11-10 Angus Duncan Richards 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
WO2012061163A2 (en) 2010-10-25 2012-05-10 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
WO2018198115A1 (en) * 2017-04-23 2018-11-01 Oryx Vision Ltd. An optical arrangement and method for use in continuously scanning an optical sensor
US10473767B2 (en) 2017-06-19 2019-11-12 Hesai Photonics Technology Co., Ltd. Lidar system and method
US20240027587A1 (en) 2017-06-19 2024-01-25 Hesai Technology Co., Ltd. Lidar system and method
JP7322037B2 (ja) * 2018-01-15 2023-08-07 上海禾賽科技有限公司 レーザレーダ及びその作動方法
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
US10908267B1 (en) * 2020-09-24 2021-02-02 Aeva, Inc. Coaxial local oscillator generation at a conjugate focal plane in an FMCW lidar system
CN116338623A (zh) * 2021-12-24 2023-06-27 深圳市速腾聚创科技有限公司 激光雷达偏振增强系统、方法、计算设备及存储介质
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
FR3157740A1 (fr) * 2023-12-21 2025-06-27 Thales Système de communication à distance par lumière polarisée circulairement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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
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

Also Published As

Publication number Publication date
JPS63260390A (ja) 1988-10-27
DE3886966T2 (de) 1994-08-18
EP0283222A2 (de) 1988-09-21
DE3886966D1 (de) 1994-02-24
HK1006331A1 (en) 1999-02-19
CA1330366C (en) 1994-06-21
EP0283222B1 (de) 1994-01-12
JP2664399B2 (ja) 1997-10-15
EP0283222A3 (en) 1989-03-15

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Legal Events

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