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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Classifications

    • 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
    • G01S7/4811—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
    • G01S7/4818—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)
KR1020207015599A 2017-11-01 2018-10-31 광 서큘레이터 Ceased KR20200112808A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU2017904450A AU2017904450A0 (en) 2017-11-01 Optical circulator
AU2017904450 2017-11-01
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 (https=)
EP (1) EP3704538A4 (https=)
JP (1) JP7228168B2 (https=)
KR (1) KR20200112808A (https=)
CN (1) CN111801617B (https=)
AU (1) AU2018359007A1 (https=)
CA (1) CA3079611A1 (https=)
WO (1) WO2019084610A1 (https=)

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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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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
CN114072691A (zh) 2019-07-04 2022-02-18 博莱佳私人有限公司 空间估计系统中的零差接收架构
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
WO2021150447A1 (en) * 2020-01-24 2021-07-29 Argo AI, LLC Systems and methods for light backscattering mitigation in lidar systems
US20210373202A1 (en) * 2020-06-01 2021-12-02 Lockheed Martin Corporation Geometric phase and off-axis optics for reduced backscatter
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
US12541009B2 (en) 2021-06-17 2026-02-03 Silc Technologies, Inc. Scanning multiple LIDAR system output signals
CN115902913A (zh) * 2021-08-24 2023-04-04 上海禾赛科技有限公司 激光收发模块和激光雷达系统
US11770189B2 (en) 2021-09-17 2023-09-26 Honeywell Limited Honeywell Limitée Optical communication system using a photonic lantern
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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
US12553995B2 (en) 2022-02-14 2026-02-17 Silc Technologies, Inc. Data refinement in optical systems
US12362828B2 (en) 2022-04-08 2025-07-15 Honeywell Limited Honeywell Limitée Optical communication system using a photonic lantern for fine point tracking
US12578443B2 (en) 2022-04-23 2026-03-17 Silc Technologies, Inc. Data refinement in optical imaging systems
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
US12510751B2 (en) * 2022-08-24 2025-12-30 Baraja Pty Ltd. Optical beam director
US12422618B2 (en) 2022-10-13 2025-09-23 Silc Technologies, Inc. Buried taper with reflecting surface
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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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* 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
EP3704538A4 (en) 2021-08-18
US20200333441A1 (en) 2020-10-22
WO2019084610A1 (en) 2019-05-09
AU2018359007A1 (en) 2020-05-14
CN111801617B (zh) 2024-04-23
US11714168B2 (en) 2023-08-01
EP3704538A1 (en) 2020-09-09
CN111801617A (zh) 2020-10-20
CA3079611A1 (en) 2019-05-09
JP2021501364A (ja) 2021-01-14
JP7228168B2 (ja) 2023-02-24

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