KR20200112808A - 광 서큘레이터 - Google Patents

광 서큘레이터 Download PDF

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Publication number
KR20200112808A
KR20200112808A KR1020207015599A KR20207015599A KR20200112808A KR 20200112808 A KR20200112808 A KR 20200112808A KR 1020207015599 A KR1020207015599 A KR 1020207015599A KR 20207015599 A KR20207015599 A KR 20207015599A KR 20200112808 A KR20200112808 A KR 20200112808A
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KR
South Korea
Prior art keywords
light
optical
port
optical circulator
polarization
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.)
Ceased
Application number
KR1020207015599A
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English (en)
Korean (ko)
Inventor
페르난도 디아즈
Original Assignee
바라자 피티와이 엘티디
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 바라자 피티와이 엘티디 filed Critical 바라자 피티와이 엘티디
Publication of KR20200112808A publication Critical patent/KR20200112808A/ko
Ceased legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/09Devices 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88Lidar systems specially adapted for specific applications
    • G01S17/89Lidar systems specially adapted for specific applications for mapping or imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • G01S7/4811Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • G01S7/4818Constructional features, e.g. arrangements of optical elements using optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/499Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/09Devices 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
    • G02F1/093Devices 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • G01S7/4814Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60Receivers
    • H04B10/66Non-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)
KR1020207015599A 2017-11-01 2018-10-31 광 서큘레이터 Ceased KR20200112808A (ko)

Applications Claiming Priority (5)

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

Publications (1)

Publication Number Publication Date
KR20200112808A true KR20200112808A (ko) 2020-10-05

Family

ID=66331110

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207015599A Ceased KR20200112808A (ko) 2017-11-01 2018-10-31 광 서큘레이터

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)

Cited By (1)

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KR20240068323A (ko) * 2022-11-10 2024-05-17 주식회사 인포웍스 Fmcw 라이다의 반사신호 교차 획득 장치 및 그 방법

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US11536805B2 (en) 2018-06-25 2022-12-27 Silc Technologies, Inc. Optical switching for tuning direction of LIDAR output signals
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
JP7617107B2 (ja) * 2019-12-20 2025-01-17 ザ ジェネラル ホスピタル コーポレイション マルチビーム光コヒーレンストモグラフィのためのシステム、方法及び媒体
EP3842826A1 (en) 2019-12-23 2021-06-30 Yandex Self Driving Group LLC Lidar detection methods and systems with fbg filter
US20220099839A1 (en) * 2020-01-24 2022-03-31 Argo Al, LLC Systems and methods for light backscattering mitigation in lidar systems
US11435454B2 (en) * 2020-09-04 2022-09-06 Ours Technology, Llc Beam walkoff mitigation 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
WO2025212138A1 (en) * 2024-04-04 2025-10-09 Aurora Operations, Inc. Light detection and ranging (lidar) sensor system for pitch-catch extension

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US5319483A (en) * 1992-12-04 1994-06-07 Williams Telecommunications Group, Inc. Polarization independent low cross-talk optical circulator
IT1265018B1 (it) * 1993-08-10 1996-10-17 Cselt Centro Studi Lab Telecom Dispositivo per l'estrazione e il reinserimento di una portante ottica in reti di comunicazione ottica.
JPH09127463A (ja) * 1995-10-31 1997-05-16 Hamamatsu Photonics Kk 光方向性結合器
US6118910A (en) * 1998-05-19 2000-09-12 Agilent Technologies, Inc. Method of aligning optical fibers to a multi-port optical assembly
US6377720B1 (en) * 1999-02-24 2002-04-23 Micro-Optics, Inc. Inline optical circulators
US6263131B1 (en) * 1999-07-02 2001-07-17 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
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US20040086214A1 (en) 2002-07-10 2004-05-06 Finisar Corporation Optical circulator for bi-directional communication
US20060044650A1 (en) * 2004-08-27 2006-03-02 Liren Du Low insertion loss circulator
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240068323A (ko) * 2022-11-10 2024-05-17 주식회사 인포웍스 Fmcw 라이다의 반사신호 교차 획득 장치 및 그 방법

Also Published As

Publication number Publication date
JP7228168B2 (ja) 2023-02-24
EP3704538A4 (en) 2021-08-18
US20200333441A1 (en) 2020-10-22
JP2021501364A (ja) 2021-01-14
CA3079611A1 (en) 2019-05-09
WO2019084610A1 (en) 2019-05-09
US11714168B2 (en) 2023-08-01
EP3704538A1 (en) 2020-09-09
CN111801617A (zh) 2020-10-20
CN111801617B (zh) 2024-04-23
AU2018359007A1 (en) 2020-05-14

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