BR112021008221A2 - Fibra óptica monomodo com atenuação ultrabaixa e uma grande área efetiva - Google Patents
Fibra óptica monomodo com atenuação ultrabaixa e uma grande área efetivaInfo
- Publication number
- BR112021008221A2 BR112021008221A2 BR112021008221A BR112021008221A BR112021008221A2 BR 112021008221 A2 BR112021008221 A2 BR 112021008221A2 BR 112021008221 A BR112021008221 A BR 112021008221A BR 112021008221 A BR112021008221 A BR 112021008221A BR 112021008221 A2 BR112021008221 A2 BR 112021008221A2
- Authority
- BR
- Brazil
- Prior art keywords
- layer
- core layer
- optical fiber
- overlay
- ultra
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title abstract 5
- 239000010410 layer Substances 0.000 abstract 13
- 239000012792 core layer Substances 0.000 abstract 10
- 230000007704 transition Effects 0.000 abstract 5
- 239000010453 quartz Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 238000005253 cladding Methods 0.000 abstract 1
- 230000009022 nonlinear effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
- G02B6/03666—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - + - +
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
- G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0283—Graded index region external to the central core segment, e.g. sloping layer or triangular or trapezoidal layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03694—Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
- G02B6/02366—Single ring of structures, e.g. "air clad"
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Lasers (AREA)
Abstract
fibra óptica monomodo com atenuação ultrabaixa e uma grande área efetiva. uma fibra óptica monomodo de atenuação ultrabaixa de grande área efetiva, compreendendo uma camada de núcleo (1), uma primeira camada de recobrimento (2), uma segunda camada de recobrimento (3), uma terceira camada de recobrimento (4), e uma quarta camada de recobrimento (5) disposta em sequência de dentro para fora; a primeira camada de recobrimento (2) é quartzo dopado com flúor; a segunda camada de recobrimento (3), a terceira camada de recobrimento (4), e a quarta camada de recobrimento (5) são quartzo; a terceira camada de recobrimento (4) é dotada de pelo menos uma camada microporosa anular sucessivamente dispostas de dentro para fora, a camada microporosa anular compreendendo uma pluralidade de distribuídos uniformemente microporos (40), os centros de círculo dos microporos (40) em cada camada microporosa anular sendo cocirculares, e o círculo sendo concêntrico com a camada de núcleo (1); a camada de núcleo (1) é quartzo dopado com metal alcalino, a camada de núcleo (1) compreendendo uma camada de núcleo interna (10) e uma camada de núcleo de transição (11) disposta em sequência de dentro para fora; a diferença de índice de refração relativa aa entre a camada de núcleo de transição (11) e a quarta camada de recobrimento (5) satisfaz bb, em que a é o coeficiente de transição da camada de núcleo de transição (11), e x é a distância de qualquer ponto na camada de núcleo de transição (11) até a borda da camada de núcleo interna (10). a presente fibra ótica monomodo tem atenuação ultrabaixa e uma grande área efetiva, podendo implementar a transmissão de fibra ótica de campo de modo grande e reduzir o efeito não linear de transmissão de grande capacidade.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910507964.8A CN110221382B (zh) | 2019-06-12 | 2019-06-12 | 一种超低衰减大有效面积的单模光纤 |
PCT/CN2019/124965 WO2020248552A1 (zh) | 2019-06-12 | 2019-12-13 | 一种超低衰减大有效面积的单模光纤 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021008221A2 true BR112021008221A2 (pt) | 2022-01-04 |
Family
ID=67816804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021008221A BR112021008221A2 (pt) | 2019-06-12 | 2019-12-13 | Fibra óptica monomodo com atenuação ultrabaixa e uma grande área efetiva |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3907538A4 (pt) |
CN (1) | CN110221382B (pt) |
BR (1) | BR112021008221A2 (pt) |
EC (1) | ECSP21039141A (pt) |
WO (1) | WO2020248552A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110221382B (zh) * | 2019-06-12 | 2020-07-07 | 烽火通信科技股份有限公司 | 一种超低衰减大有效面积的单模光纤 |
CN112649916B (zh) * | 2020-12-25 | 2022-06-28 | 长飞光纤光缆股份有限公司 | 一种小型化器件用色散补偿光纤及模块 |
CN112666650B (zh) * | 2020-12-30 | 2022-07-22 | 电子科技大学 | 大横截面单模光纤 |
CN112897872A (zh) * | 2021-01-28 | 2021-06-04 | 通鼎互联信息股份有限公司 | 一种接入网用大模场弯曲损耗不敏感单模光纤的制造方法 |
Family Cites Families (22)
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KR900003449B1 (ko) * | 1986-06-11 | 1990-05-19 | 스미도모덴기고오교오 가부시기가이샤 | 분산 시프트싱글모우드 광파이버 및 그 제조방법 |
JP2003029062A (ja) * | 2001-07-13 | 2003-01-29 | Sumitomo Electric Ind Ltd | グレーティング内蔵光ファイバおよびグレーティング形成用光ファイバ |
US6707976B1 (en) * | 2002-09-04 | 2004-03-16 | Fitel Usa Corporation | Inverse dispersion compensating fiber |
JP2005208268A (ja) * | 2004-01-22 | 2005-08-04 | Nippon Telegr & Teleph Corp <Ntt> | 光ファイバ |
CN101506703A (zh) * | 2006-08-24 | 2009-08-12 | 康宁股份有限公司 | 含碱金属氧化物的光纤 |
US7283714B1 (en) * | 2006-12-15 | 2007-10-16 | Ipg Photonics Corporation | Large mode area fiber for low-loss transmission and amplification of single mode lasers |
CN102200610B (zh) * | 2011-05-27 | 2012-10-17 | 成都富通光通信技术有限公司 | 适用于超高速长距离密集波分复用的色散优化单模光纤 |
US8666214B2 (en) * | 2011-11-30 | 2014-03-04 | Corning Incorporated | Low bend loss optical fiber |
JP5735468B2 (ja) * | 2012-08-31 | 2015-06-17 | 株式会社フジクラ | 光ファイバおよびその製造方法、光ファイバ母材の製造方法 |
CN104360435A (zh) * | 2014-08-25 | 2015-02-18 | 长飞光纤光缆股份有限公司 | 一种弯曲不敏感多模光纤 |
US9841555B2 (en) * | 2014-09-29 | 2017-12-12 | Corning Incorporated | Optical transmission systems and methods using a QSM large-effective-area optical fiber |
US9846275B2 (en) * | 2014-09-29 | 2017-12-19 | Corning Incorporated | Quasi-single-mode optical fiber with a large effective area |
CN104536085B (zh) * | 2015-01-07 | 2017-06-20 | 烽火通信科技股份有限公司 | 一种细径保偏光纤 |
CN104698535A (zh) * | 2015-03-31 | 2015-06-10 | 长飞光纤光缆股份有限公司 | 一种弯曲不敏感多模光纤 |
CN104898200B (zh) * | 2015-06-25 | 2018-03-16 | 长飞光纤光缆股份有限公司 | 一种掺杂优化的超低衰减单模光纤 |
JP6690296B2 (ja) * | 2016-02-26 | 2020-04-28 | 住友電気工業株式会社 | 光ファイバ |
CN105891947A (zh) * | 2016-05-31 | 2016-08-24 | 夏烬楚 | 一种多空气包层的抗弯曲光纤及其制造方法 |
CN106291808B (zh) * | 2016-09-18 | 2019-05-24 | 长飞光纤光缆股份有限公司 | 一种超低衰减大有效面积单模光纤 |
CN107422414A (zh) * | 2017-05-04 | 2017-12-01 | 长飞光纤光缆股份有限公司 | 一种低衰减弯曲不敏感单模光纤 |
CN107721149A (zh) * | 2017-11-01 | 2018-02-23 | 江苏亨通光导新材料有限公司 | 轴向气相沉积法制备超低损耗光纤预制棒及光纤 |
CN109683232A (zh) * | 2019-02-22 | 2019-04-26 | 长飞光纤光缆股份有限公司 | 具有超低衰减大有效面积的单模光纤 |
CN110221382B (zh) * | 2019-06-12 | 2020-07-07 | 烽火通信科技股份有限公司 | 一种超低衰减大有效面积的单模光纤 |
-
2019
- 2019-06-12 CN CN201910507964.8A patent/CN110221382B/zh active Active
- 2019-12-13 WO PCT/CN2019/124965 patent/WO2020248552A1/zh unknown
- 2019-12-13 EP EP19932669.5A patent/EP3907538A4/en active Pending
- 2019-12-13 BR BR112021008221A patent/BR112021008221A2/pt unknown
-
2021
- 2021-05-31 EC ECSENADI202139141A patent/ECSP21039141A/es unknown
Also Published As
Publication number | Publication date |
---|---|
RU2769089C1 (ru) | 2022-03-28 |
CN110221382B (zh) | 2020-07-07 |
EP3907538A4 (en) | 2022-10-05 |
CN110221382A (zh) | 2019-09-10 |
WO2020248552A1 (zh) | 2020-12-17 |
EP3907538A1 (en) | 2021-11-10 |
ECSP21039141A (es) | 2021-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] |