BR112021008221A2 - Fibra óptica monomodo com atenuação ultrabaixa e uma grande área efetiva - Google Patents

Fibra óptica monomodo com atenuação ultrabaixa e uma grande área efetiva

Info

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
Application number
BR112021008221A
Other languages
English (en)
Inventor
Cheng Du
Fanqiu Zeng
Huang Yu
Qiao Zhu
Shujian Wu
Tao Zhang
Wei Li
Wenyong Luo
Yili Ke
Zhiqiang Yu
Original Assignee
Fiberhome Fujikura Optic Tech Co Ltd
Fiberhome Telecommunication Tech Co Ltd
Ruiguang Telecommunication Tech Co 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
Application filed by Fiberhome Fujikura Optic Tech Co Ltd, Fiberhome Telecommunication Tech Co Ltd, Ruiguang Telecommunication Tech Co Ltd filed Critical Fiberhome Fujikura Optic Tech Co Ltd
Publication of BR112021008221A2 publication Critical patent/BR112021008221A2/pt

Links

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)
  • Lasers (AREA)
  • Manufacture, Treatment Of Glass Fibers (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.
BR112021008221A 2019-06-12 2019-12-13 Fibra óptica monomodo com atenuação ultrabaixa e uma grande área efetiva BR112021008221A2 (pt)

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)

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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

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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

Also Published As

Publication number Publication date
WO2020248552A1 (zh) 2020-12-17
CN110221382A (zh) 2019-09-10
EP3907538A1 (en) 2021-11-10
CN110221382B (zh) 2020-07-07
ECSP21039141A (es) 2021-08-31
RU2769089C1 (ru) 2022-03-28
EP3907538A4 (en) 2022-10-05

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