AU2018359007A1 - Optical circulator - Google Patents
Optical circulator Download PDFInfo
- Publication number
- AU2018359007A1 AU2018359007A1 AU2018359007A AU2018359007A AU2018359007A1 AU 2018359007 A1 AU2018359007 A1 AU 2018359007A1 AU 2018359007 A AU2018359007 A AU 2018359007A AU 2018359007 A AU2018359007 A AU 2018359007A AU 2018359007 A1 AU2018359007 A1 AU 2018359007A1
- Authority
- AU
- Australia
- Prior art keywords
- light
- optical
- optical circulator
- port
- polarisation
- 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.)
- Abandoned
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 273
- 239000013078 crystal Substances 0.000 claims description 55
- 230000002457 bidirectional effect Effects 0.000 claims description 54
- 239000000835 fiber Substances 0.000 claims description 35
- 239000013307 optical fiber Substances 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000010287 polarization Effects 0.000 description 8
- 230000028161 membrane depolarization Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005253 cladding Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 229910009372 YVO4 Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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)
- Optical Communication System (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
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 |
|---|---|
| AU2018359007A1 true AU2018359007A1 (en) | 2020-05-14 |
Family
ID=66331110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2018359007A Abandoned AU2018359007A1 (en) | 2017-11-01 | 2018-10-31 | Optical circulator |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11714168B2 (cg-RX-API-DMAC10.html) |
| EP (1) | EP3704538A4 (cg-RX-API-DMAC10.html) |
| JP (1) | JP7228168B2 (cg-RX-API-DMAC10.html) |
| KR (1) | KR20200112808A (cg-RX-API-DMAC10.html) |
| CN (1) | CN111801617B (cg-RX-API-DMAC10.html) |
| AU (1) | AU2018359007A1 (cg-RX-API-DMAC10.html) |
| CA (1) | CA3079611A1 (cg-RX-API-DMAC10.html) |
| WO (1) | WO2019084610A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11536805B2 (en) | 2018-06-25 | 2022-12-27 | Silc Technologies, Inc. | Optical switching for tuning direction of LIDAR output signals |
| US12535586B2 (en) | 2018-08-31 | 2026-01-27 | SiLC Technology, Inc. | Reduction of ADC sampling rates in LIDAR systems |
| 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 |
| US20220276382A1 (en) | 2019-07-04 | 2022-09-01 | Baraja Pty Ltd | Homodyne receive architecture in a spatial estimation system |
| AU2020405254A1 (en) | 2019-12-20 | 2022-05-12 | 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 |
| US20210373202A1 (en) * | 2020-06-01 | 2021-12-02 | Lockheed Martin Corporation | Geometric phase and off-axis optics for reduced backscatter |
| 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 |
| 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 |
| 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 |
| 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 |
| US12663516B2 (en) | 2022-07-08 | 2026-06-23 | Silc Technologies, Inc. | Imaging system with enhanced scan rate |
| 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 |
| KR102705268B1 (ko) * | 2022-11-10 | 2024-09-11 | 주식회사 인포웍스 | Fmcw 라이다의 반사신호 교차 획득 장치 및 그 방법 |
| US12578439B2 (en) | 2023-04-11 | 2026-03-17 | Silc Technologies, Inc. | Increasing resolution in imaging systems |
| WO2025007246A1 (zh) * | 2023-07-03 | 2025-01-09 | 深圳引望智能技术有限公司 | 一种光学模组、激光雷达和终端 |
| WO2025212138A1 (en) * | 2024-04-04 | 2025-10-09 | Aurora Operations, Inc. | Light detection and ranging (lidar) sensor system for pitch-catch extension |
Family Cites Families (23)
| 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 |
| 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 |
| US6535324B1 (en) * | 2000-05-23 | 2003-03-18 | Novera Optics, Inc. | Bi-directional wavelength-selective optical data apparatus |
| JP2002268013A (ja) | 2001-03-09 | 2002-09-18 | Furukawa Electric Co Ltd:The | 光サーキュレータ |
| 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 |
| JP5502271B2 (ja) * | 2007-10-23 | 2014-05-28 | 横河電機株式会社 | 双方向光モジュールおよび光パルス試験器 |
| US7715664B1 (en) * | 2007-10-29 | 2010-05-11 | Agiltron, Inc. | High power optical isolator |
| 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 |
| WO2013139347A1 (en) * | 2012-03-23 | 2013-09-26 | Windar Photonics A/S | Multiple directional lidar system |
| JP6072301B2 (ja) | 2013-12-10 | 2017-02-01 | 三菱電機株式会社 | レーザレーダ装置 |
| US9816860B2 (en) * | 2014-08-22 | 2017-11-14 | Spectrasensors, Inc. | Spectrometer with active beam steering |
| ES2792871T3 (es) * | 2014-12-19 | 2020-11-12 | Windar Photonics As | LIDAR basado en SMEM |
| US10228517B2 (en) * | 2015-03-03 | 2019-03-12 | Nistica, Inc. | Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch |
| CA3000014A1 (en) | 2015-09-28 | 2017-04-06 | Baraja Pty Ltd | Spatial profiling system and method |
| US20180128904A1 (en) | 2016-11-07 | 2018-05-10 | Uber Technologies, Inc. | Lidar scanner with optical amplification |
-
2018
- 2018-10-31 KR KR1020207015599A patent/KR20200112808A/ko not_active Ceased
- 2018-10-31 AU AU2018359007A patent/AU2018359007A1/en not_active Abandoned
- 2018-10-31 EP EP18874073.2A patent/EP3704538A4/en active Pending
- 2018-10-31 WO PCT/AU2018/051175 patent/WO2019084610A1/en not_active Ceased
- 2018-10-31 US US16/759,701 patent/US11714168B2/en active Active
- 2018-10-31 JP JP2020523806A patent/JP7228168B2/ja active Active
- 2018-10-31 CA CA3079611A patent/CA3079611A1/en active Pending
- 2018-10-31 CN CN201880070645.9A patent/CN111801617B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11714168B2 (en) | 2023-08-01 |
| WO2019084610A1 (en) | 2019-05-09 |
| CN111801617B (zh) | 2024-04-23 |
| JP2021501364A (ja) | 2021-01-14 |
| KR20200112808A (ko) | 2020-10-05 |
| CA3079611A1 (en) | 2019-05-09 |
| US20200333441A1 (en) | 2020-10-22 |
| EP3704538A4 (en) | 2021-08-18 |
| EP3704538A1 (en) | 2020-09-09 |
| JP7228168B2 (ja) | 2023-02-24 |
| CN111801617A (zh) | 2020-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11714168B2 (en) | Optical circulator | |
| EP0548699B1 (en) | Scanning laser microscope with photo coupling and detecting unit | |
| EP3304154B1 (en) | Optical coupling using polarization beam displacer | |
| EP3870996B1 (en) | Lidar system with fiber tip reimaging | |
| US8731403B2 (en) | Multicast optical switch | |
| JP2021501364A5 (cg-RX-API-DMAC10.html) | ||
| WO2022046432A1 (en) | Hybrid two-dimensional steering lidar | |
| US9720180B2 (en) | Multicast optical switch based on free-space transmission | |
| US11394461B2 (en) | Free space optical communication terminal with actuator system and optical relay system | |
| EP0378886B1 (en) | Optical system | |
| RU2204155C2 (ru) | Оптический изолятор | |
| KR20210141749A (ko) | 다중-모드 도파관 광검출기를 갖는 lidar 시스템 | |
| US11777599B2 (en) | Free space optical communication terminal with rotatable dispersive optical component | |
| US6289152B1 (en) | Multiple port, fiber optic coupling device | |
| US20150023662A1 (en) | Wavelength selective switch and method of manufacturing same | |
| WO2019004510A1 (ko) | 복수 유닛의 파장 선택 스위치 | |
| JP2002528764A (ja) | 多ポート光ファイバアイソレータ | |
| EP0372807B1 (en) | Optical mixing device | |
| US6690501B2 (en) | Low cost isolator/polarization beam combiner hybrid component | |
| US20100265582A1 (en) | Optical isolators | |
| CN221960283U (zh) | 检测装置 | |
| US6624938B1 (en) | Optical circulator | |
| JP2016001256A (ja) | コリメータアレイユニットの製造方法、コリメータアレイユニット、及び光学装置 | |
| CN120847946A (zh) | 光隔离器和光纤通信系统 | |
| CN118151161A (zh) | 混频接收器件和激光雷达 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK5 | Application lapsed section 142(2)(e) - patent request and compl. specification not accepted |