ECSP21039141A - Fibra óptica monomodo con gran área efectiva y ultrabaja atenuación - Google Patents

Fibra óptica monomodo con gran área efectiva y ultrabaja atenuación

Info

Publication number
ECSP21039141A
ECSP21039141A ECSENADI202139141A ECDI202139141A ECSP21039141A EC SP21039141 A ECSP21039141 A EC SP21039141A EC SENADI202139141 A ECSENADI202139141 A EC SENADI202139141A EC DI202139141 A ECDI202139141 A EC DI202139141A EC SP21039141 A ECSP21039141 A EC SP21039141A
Authority
EC
Ecuador
Prior art keywords
layer
core layer
transition
coating layer
ultra
Prior art date
Application number
ECSENADI202139141A
Other languages
English (en)
Inventor
Fanqiu Zeng
Huang Yu
Cheng Du
Zhiqiang Yu
Wenyong Luo
Shujian Wu
Yili Ke
Qiao Zhu
Wei Li
Tao Zhang
Original Assignee
Fiberhome Telecommunication Tech Co Ltd
Fiberhome Fujikura Optic 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 Telecommunication Tech Co Ltd, Fiberhome Fujikura Optic Tech Co Ltd, Ruiguang Telecommunication Tech Co Ltd filed Critical Fiberhome Telecommunication Tech Co Ltd
Publication of ECSP21039141A publication Critical patent/ECSP21039141A/es

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

Se describe una fibra óptica monomodo de atenuación ultrabaja y gran área efectiva, que comprende una capa de núcleo (1), una primera capa de revestimiento (2), una segunda capa de revestimiento (3), una tercera capa de revestimiento (4) y una cuarta capa de revestimiento (5) dispuestas sucesivamente desde el interior hacia el exterior; la primera capa de revestimiento (2) es de cuarzo dopado con flúor; la segunda capa de revestimiento (3), la tercera capa de revestimiento (4) y la cuarta capa de revestimiento (5) son de cuarzo; la tercera capa de revestimiento (4) está provista de al menos una capa microporosa anular dispuesta sucesivamente desde el interior hacia el exterior, la capa microporosa anular comprende una pluralidad de microporos (40) distribuidos uniformemente, los centros de los círculos de los microporos (40) en cada capa microporosa anular son cocirculares, y el círculo es concéntrico con la capa de núcleo (1) la capa de núcleo (1) es de cuarzo dopado con metales alcalinos, la capa de núcleo (1) comprende una capa de núcleo interior (10) y una capa de núcleo de transición (11) dispuesta en secuencia desde el interior hacia el exterior; la diferencia de índice de refracción relativo aa entre la capa de núcleo de transición (11) y la cuarta capa de revestimiento (5) satisface bb, en donde a es el coeficiente de transición de la capa de núcleo de transición (11), y x la distancia desde cualquier punto de la capa de núcleo de transición (11)...
ECSENADI202139141A 2019-06-12 2021-05-31 Fibra óptica monomodo con gran área efectiva y ultrabaja atenuación ECSP21039141A (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ECSP21039141A true ECSP21039141A (es) 2021-08-31

Family

ID=67816804

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSENADI202139141A ECSP21039141A (es) 2019-06-12 2021-05-31 Fibra óptica monomodo con gran área efectiva y ultrabaja atenuación

Country Status (5)

Country Link
EP (1) EP3907538B1 (es)
CN (1) CN110221382B (es)
EC (1) ECSP21039141A (es)
HU (1) HUE069058T2 (es)
WO (1) WO2020248552A1 (es)

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* Cited by examiner, † Cited by third party
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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
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
CN117945640A (zh) * 2024-02-02 2024-04-30 远东通讯有限公司 一种弯曲不敏感光纤预制棒及其制备方法

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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

Also Published As

Publication number Publication date
WO2020248552A1 (zh) 2020-12-17
EP3907538B1 (en) 2024-10-23
RU2769089C1 (ru) 2022-03-28
CN110221382B (zh) 2020-07-07
CN110221382A (zh) 2019-09-10
HUE069058T2 (hu) 2025-02-28
EP3907538A1 (en) 2021-11-10
EP3907538C0 (en) 2024-10-23
BR112021008221A2 (pt) 2022-01-04
EP3907538A4 (en) 2022-10-05

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