JP2019120894A - 光ファイバ、光ファイバ心線および光伝送システム - Google Patents
光ファイバ、光ファイバ心線および光伝送システム Download PDFInfo
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- JP2019120894A JP2019120894A JP2018002523A JP2018002523A JP2019120894A JP 2019120894 A JP2019120894 A JP 2019120894A JP 2018002523 A JP2018002523 A JP 2018002523A JP 2018002523 A JP2018002523 A JP 2018002523A JP 2019120894 A JP2019120894 A JP 2019120894A
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- Prior art keywords
- optical fiber
- refractive index
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- outer diameter
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 74
- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 230000003287 optical effect Effects 0.000 title claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 26
- 238000005253 cladding Methods 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011253 protective coating Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 abstract description 19
- 238000005452 bending Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 230000001902 propagating effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
-
- 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
- G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
- G02B6/02019—Effective area greater than 90 square microns in the C band, i.e. 1530-1565 nm
-
- 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
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/23—Double or multiple optical cladding profiles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/0253—Controlling or regulating
-
- 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
- G02B6/03627—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 arranged - +
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (6)
- 波長1550nmにおける実効断面積が110μm2以上180μm2以下であり、
ケーブルカットオフ波長が1530nm以下であり、
ガラス外径の長手方向の平均値が125±0.5μmであり、
ガラス外径の長手方向の標準偏差をσとしたとき3σが0.1μm以上0.5μm以下である、
光ファイバ。 - 波長1550nmにおける伝送損失が0.174dB/km以下である、
請求項1に記載の光ファイバ。 - コアと、前記コアを取り囲み前記コアの屈折率より小さい屈折率を有する内クラッドと、前記内クラッドを取り囲み前記コアの屈折率より小さく前記内クラッドの屈折率より大きい屈折率を有する外クラッドと、を含む、
請求項1または2に記載の光ファイバ。 - 前記コアが、中心コアと、前記中心コアを取り囲み前記中心コアの屈折率より大きい屈折率を有するリングコアと、を含む、
請求項3に記載の光ファイバ。 - 請求項1〜4の何れか1項に記載の光ファイバと、前記光ファイバを取り囲み2層の保護被覆層を含む被覆部と、前記被覆部を取り囲み外径が180μm以上210μm以下である着色層と、を備える光ファイバ心線。
- 信号光を伝送する光伝送路として請求項1〜4の何れか1項に記載の光ファイバを備える光伝送システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018002523A JP2019120894A (ja) | 2018-01-11 | 2018-01-11 | 光ファイバ、光ファイバ心線および光伝送システム |
CN201880086209.0A CN111656234B (zh) | 2018-01-11 | 2018-12-21 | 光纤、经涂覆的光纤以及光学传输系统 |
EP18900276.9A EP3737979A4 (en) | 2018-01-11 | 2018-12-21 | OPTICAL FIBER, COATED OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM |
PCT/JP2018/047271 WO2019138848A1 (en) | 2018-01-11 | 2018-12-21 | Optical fiber, coated optical fiber, and optical transmission system |
US16/919,262 US10989864B2 (en) | 2018-01-11 | 2020-07-02 | Optical fiber, coated optical fiber, and optical transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018002523A JP2019120894A (ja) | 2018-01-11 | 2018-01-11 | 光ファイバ、光ファイバ心線および光伝送システム |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2019120894A true JP2019120894A (ja) | 2019-07-22 |
Family
ID=67218267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018002523A Pending JP2019120894A (ja) | 2018-01-11 | 2018-01-11 | 光ファイバ、光ファイバ心線および光伝送システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US10989864B2 (ja) |
EP (1) | EP3737979A4 (ja) |
JP (1) | JP2019120894A (ja) |
CN (1) | CN111656234B (ja) |
WO (1) | WO2019138848A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020162406A1 (ja) * | 2019-02-05 | 2020-08-13 | 古河電気工業株式会社 | 光ファイバ |
WO2021079788A1 (ja) * | 2019-10-24 | 2021-04-29 | 住友電気工業株式会社 | 光ファイバおよび光ケーブル |
WO2024150692A1 (ja) * | 2023-01-11 | 2024-07-18 | 住友電気工業株式会社 | 光ファイバ |
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2018
- 2018-01-11 JP JP2018002523A patent/JP2019120894A/ja active Pending
- 2018-12-21 WO PCT/JP2018/047271 patent/WO2019138848A1/en unknown
- 2018-12-21 EP EP18900276.9A patent/EP3737979A4/en not_active Ceased
- 2018-12-21 CN CN201880086209.0A patent/CN111656234B/zh active Active
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2020
- 2020-07-02 US US16/919,262 patent/US10989864B2/en active Active
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020162406A1 (ja) * | 2019-02-05 | 2020-08-13 | 古河電気工業株式会社 | 光ファイバ |
JPWO2020162406A1 (ja) * | 2019-02-05 | 2021-12-16 | 古河電気工業株式会社 | 光ファイバ |
US11719879B2 (en) | 2019-02-05 | 2023-08-08 | Furukawa Electric Co., Ltd. | Optical fiber |
WO2021079788A1 (ja) * | 2019-10-24 | 2021-04-29 | 住友電気工業株式会社 | 光ファイバおよび光ケーブル |
US11841529B2 (en) | 2019-10-24 | 2023-12-12 | Sumitomo Electric Industries, Ltd. | Optical fiber and optical cable |
WO2024150692A1 (ja) * | 2023-01-11 | 2024-07-18 | 住友電気工業株式会社 | 光ファイバ |
Also Published As
Publication number | Publication date |
---|---|
CN111656234A (zh) | 2020-09-11 |
EP3737979A4 (en) | 2021-03-03 |
EP3737979A1 (en) | 2020-11-18 |
CN111656234B (zh) | 2022-05-17 |
US20200333528A1 (en) | 2020-10-22 |
WO2019138848A1 (en) | 2019-07-18 |
US10989864B2 (en) | 2021-04-27 |
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