CN111801617B - 光学环行器 - Google Patents

光学环行器 Download PDF

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Publication number
CN111801617B
CN111801617B CN201880070645.9A CN201880070645A CN111801617B CN 111801617 B CN111801617 B CN 111801617B CN 201880070645 A CN201880070645 A CN 201880070645A CN 111801617 B CN111801617 B CN 111801617B
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CN
China
Prior art keywords
optical
light
polarization
port
optical circulator
Prior art date
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Active
Application number
CN201880070645.9A
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English (en)
Chinese (zh)
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CN111801617A (zh
Inventor
费尔南多·迪亚兹
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.)
Baraja Pty Ltd
Original Assignee
Baraja Pty Ltd
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
Priority claimed from AU2017904450A external-priority patent/AU2017904450A0/en
Application filed by Baraja Pty Ltd filed Critical Baraja Pty Ltd
Publication of CN111801617A publication Critical patent/CN111801617A/zh
Application granted granted Critical
Publication of CN111801617B publication Critical patent/CN111801617B/zh
Active legal-status Critical Current
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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
    • 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
    • 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
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • 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
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • 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
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/093—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Communication System (AREA)
CN201880070645.9A 2017-11-01 2018-10-31 光学环行器 Active CN111801617B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU2017904450A AU2017904450A0 (en) 2017-11-01 Optical circulator
AU2017904450 2017-11-01
AU2018902139 2018-06-15
AU2018902139A AU2018902139A0 (en) 2018-06-15 Optical circulator
PCT/AU2018/051175 WO2019084610A1 (en) 2017-11-01 2018-10-31 Optical circulator

Publications (2)

Publication Number Publication Date
CN111801617A CN111801617A (zh) 2020-10-20
CN111801617B true CN111801617B (zh) 2024-04-23

Family

ID=66331110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880070645.9A Active CN111801617B (zh) 2017-11-01 2018-10-31 光学环行器

Country Status (8)

Country Link
US (1) US11714168B2 (enExample)
EP (1) EP3704538A4 (enExample)
JP (1) JP7228168B2 (enExample)
KR (1) KR20200112808A (enExample)
CN (1) CN111801617B (enExample)
AU (1) AU2018359007A1 (enExample)
CA (1) CA3079611A1 (enExample)
WO (1) WO2019084610A1 (enExample)

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CN109617612A (zh) * 2018-12-25 2019-04-12 杭州耀芯科技有限公司 自由空间中光信号对准传输装置、系统及方法
US12429569B2 (en) 2019-05-17 2025-09-30 Silc Technologies, Inc. Identification of materials illuminated by LIDAR systems
US11650317B2 (en) 2019-06-28 2023-05-16 Silc Technologies, Inc. Use of frequency offsets in generation of LIDAR data
WO2021000026A1 (en) 2019-07-04 2021-01-07 Baraja Pty Ltd Homodyne receive architecture in a spatial estimation system
WO2021127636A1 (en) * 2019-12-20 2021-06-24 The General Hospital Corporation Systems, methods, and media for multiple beam optical coherence tomography
EP3842826A1 (en) 2019-12-23 2021-06-30 Yandex Self Driving Group LLC Lidar detection methods and systems with fbg filter
WO2021150447A1 (en) * 2020-01-24 2021-07-29 Argo AI, LLC Systems and methods for light backscattering mitigation in lidar systems
US11675063B2 (en) 2020-09-04 2023-06-13 Ours Technology, Llc Beam displacement apparatus for light detection and ranging
US20220291361A1 (en) 2021-03-13 2022-09-15 Silc Technologies, Inc. Use of circulator in lidar system
US11770189B2 (en) 2021-09-17 2023-09-26 Honeywell Limited Honeywell Limitée Optical communication system using a photonic lantern
WO2023044538A1 (en) * 2021-09-24 2023-03-30 Baraja Pty Ltd An optical beam director
US12411213B2 (en) 2021-10-11 2025-09-09 Silc Technologies, Inc. Separation of light signals in a LIDAR system
US20220276347A1 (en) * 2021-12-09 2022-09-01 Intel Corporation Light detection and ranging system
US12362828B2 (en) 2022-04-08 2025-07-15 Honeywell Limited Honeywell Limitée Optical communication system using a photonic lantern for fine point tracking
US11592540B1 (en) * 2022-06-23 2023-02-28 Ours Technology, Llc LIDAR sensor system including a dual-polarization transmit and receive optical antenna
WO2024040281A1 (en) * 2022-08-22 2024-02-29 Baraja Pty Ltd An optical beam director
US12422618B2 (en) 2022-10-13 2025-09-23 Silc Technologies, Inc. Buried taper with reflecting surface
KR102705268B1 (ko) * 2022-11-10 2024-09-11 주식회사 인포웍스 Fmcw 라이다의 반사신호 교차 획득 장치 및 그 방법
WO2025212138A1 (en) * 2024-04-04 2025-10-09 Aurora Operations, Inc. Light detection and ranging (lidar) sensor system for pitch-catch extension

Citations (15)

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US5319483A (en) * 1992-12-04 1994-06-07 Williams Telecommunications Group, Inc. Polarization independent low cross-talk optical circulator
JPH09127463A (ja) * 1995-10-31 1997-05-16 Hamamatsu Photonics Kk 光方向性結合器
JP2000002819A (ja) * 1998-05-19 2000-01-07 Hewlett Packard Co <Hp> マルチポ―ト光学アセンブリに対する光ファイバの位置合わせ方法
EP1065551A2 (en) * 1999-07-02 2001-01-03 Nortel Networks (Photonics) Pty Ltd Reflective non-reciprocal optical device
US6339661B1 (en) * 1999-10-20 2002-01-15 Micro-Optics, Inc. Polarization maintaining fiber optic circulators
US6377720B1 (en) * 1999-02-24 2002-04-23 Micro-Optics, Inc. Inline optical circulators
US6459826B1 (en) * 2000-03-21 2002-10-01 Lucent Technologies Inc. Programmable optical switch apparatus
JP2009103578A (ja) * 2007-10-23 2009-05-14 Yokogawa Electric Corp 双方向光モジュールおよび光パルス試験器
JP2012207934A (ja) * 2011-03-29 2012-10-25 Mitsubishi Electric Corp ドップラーライダ装置
JP2013160717A (ja) * 2012-02-08 2013-08-19 Mitsubishi Electric Corp レーザ測距装置
JP2015517094A (ja) * 2012-03-23 2015-06-18 ウインダー フォトニクス エー／エスＷｉｎｄａｒ Ｐｈｏｔｏｎｉｃｓ Ａ／Ｓ 複数方向のｌｉｄａｒシステム
WO2016028401A1 (en) * 2014-08-22 2016-02-25 Spectrasensors, Inc. Spectrometer with active beam steering
WO2016097409A2 (en) * 2014-12-19 2016-06-23 Windar Photonic A/S Lidar based on mems
EP3081956A1 (en) * 2013-12-10 2016-10-19 Mitsubishi Electric Corporation Laser radar device
WO2017054036A1 (en) * 2015-09-28 2017-04-06 Baraja Pty Ltd Spatial profiling system and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5319483A (en) * 1992-12-04 1994-06-07 Williams Telecommunications Group, Inc. Polarization independent low cross-talk optical circulator
JPH09127463A (ja) * 1995-10-31 1997-05-16 Hamamatsu Photonics Kk 光方向性結合器
JP2000002819A (ja) * 1998-05-19 2000-01-07 Hewlett Packard Co <Hp> マルチポ―ト光学アセンブリに対する光ファイバの位置合わせ方法
US6377720B1 (en) * 1999-02-24 2002-04-23 Micro-Optics, Inc. Inline optical circulators
EP1065551A2 (en) * 1999-07-02 2001-01-03 Nortel Networks (Photonics) Pty Ltd Reflective non-reciprocal optical device
US6339661B1 (en) * 1999-10-20 2002-01-15 Micro-Optics, Inc. Polarization maintaining fiber optic circulators
US6459826B1 (en) * 2000-03-21 2002-10-01 Lucent Technologies Inc. Programmable optical switch apparatus
JP2009103578A (ja) * 2007-10-23 2009-05-14 Yokogawa Electric Corp 双方向光モジュールおよび光パルス試験器
JP2012207934A (ja) * 2011-03-29 2012-10-25 Mitsubishi Electric Corp ドップラーライダ装置
JP2013160717A (ja) * 2012-02-08 2013-08-19 Mitsubishi Electric Corp レーザ測距装置
JP2015517094A (ja) * 2012-03-23 2015-06-18 ウインダー フォトニクス エー／エスＷｉｎｄａｒ Ｐｈｏｔｏｎｉｃｓ Ａ／Ｓ 複数方向のｌｉｄａｒシステム
EP3081956A1 (en) * 2013-12-10 2016-10-19 Mitsubishi Electric Corporation Laser radar device
WO2016028401A1 (en) * 2014-08-22 2016-02-25 Spectrasensors, Inc. Spectrometer with active beam steering
WO2016097409A2 (en) * 2014-12-19 2016-06-23 Windar Photonic A/S Lidar based on mems
WO2017054036A1 (en) * 2015-09-28 2017-04-06 Baraja Pty Ltd Spatial profiling system and method

Also Published As

Publication number Publication date
JP7228168B2 (ja) 2023-02-24
AU2018359007A1 (en) 2020-05-14
EP3704538A1 (en) 2020-09-09
JP2021501364A (ja) 2021-01-14
EP3704538A4 (en) 2021-08-18
US20200333441A1 (en) 2020-10-22
KR20200112808A (ko) 2020-10-05
US11714168B2 (en) 2023-08-01
CN111801617A (zh) 2020-10-20
CA3079611A1 (en) 2019-05-09
WO2019084610A1 (en) 2019-05-09

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