JP2016105154A - 光ファイバ - Google Patents
光ファイバ Download PDFInfo
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- JP2016105154A JP2016105154A JP2015187847A JP2015187847A JP2016105154A JP 2016105154 A JP2016105154 A JP 2016105154A JP 2015187847 A JP2015187847 A JP 2015187847A JP 2015187847 A JP2015187847 A JP 2015187847A JP 2016105154 A JP2016105154 A JP 2016105154A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 85
- 239000002019 doping agent Substances 0.000 claims abstract description 105
- 238000009792 diffusion process Methods 0.000 claims abstract description 56
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 15
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 12
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 11
- 239000011737 fluorine Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 238000005253 cladding Methods 0.000 claims description 19
- 229910052792 caesium Inorganic materials 0.000 claims description 12
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 230000001603 reducing effect Effects 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 21
- 238000000034 method Methods 0.000 description 19
- 150000001340 alkali metals Chemical class 0.000 description 18
- 239000011521 glass Substances 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- LYQFWZFBNBDLEO-UHFFFAOYSA-M caesium bromide Chemical compound [Br-].[Cs+] LYQFWZFBNBDLEO-UHFFFAOYSA-M 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- -1 alkali metal salt Chemical class 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000329 molecular dynamics simulation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01884—Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes
- C03B37/01892—Deposition substrates, e.g. tubes, mandrels
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/07—Impurity concentration specified
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
-
- 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
-
- 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
- C03B2203/26—Parabolic or graded index [GRIN] core profile
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/40—Monitoring or regulating the draw tension or draw rate
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/08—Doped silica-based glasses containing boron or halide
- C03C2201/11—Doped silica-based glasses containing boron or halide containing chlorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/08—Doped silica-based glasses containing boron or halide
- C03C2201/12—Doped silica-based glasses containing boron or halide containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/50—Doped silica-based glasses containing metals containing alkali metals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2203/00—Production processes
- C03C2203/40—Gas-phase processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
Description
Claims (7)
- シリカガラスからなるコアと、
前記コアを取り囲み、前記コアの屈折率より低い屈折率を有し、フッ素を含むシリカガラスからなるクラッドと、
を備え、
前記コアが、
Na,Kおよびこれらの化合物のうちの何れかからなる第1ドーパント群を平均濃度で0.2ppm以上含み、
シリカガラスの粘性を下げるドーパントであって温度2000℃〜2300℃のいずれかの温度での拡散係数が1×10−12cm2/s以上かつ前記第1ドーパント群の拡散係数より小さい第2ドーパント群を平均濃度で0.2ppm以上含む、
光ファイバ。 - 前記第1ドーパント群の平均濃度が10ppm以下である請求項1に記載の光ファイバ。
- 前記コアおよび前記クラッドのうちモードフィールド径の3倍までの領域において前記第1ドーパント群の平均濃度が0.2ppm以上10ppm以下であり、
前記コアにおいて前記第2ドーパント群の平均濃度が前記第1ドーパント群の平均濃度より高い、
請求項1または2に記載の光ファイバ。 - 前記コアにおいて前記第2ドーパント群の平均濃度が0.2ppm以上100ppm以下である、
請求項1〜3の何れか1項に記載の光ファイバ。 - 前記コアが、前記第2ドーパント群としてRb、Cs、Mg、Ca、Srのうちの何れか1以上を平均濃度0.2ppm以上100ppm以下含む、
請求項1〜4の何れか1項に記載の光ファイバ。 - シリカガラスからなり、光ファイバのコアとなるコア部と、
前記コア部を取り囲み、前記コア部の屈折率より低い屈折率を有し、フッ素を含むシリカガラスからなり、前記光ファイバのクラッドとなるクラッド部と、
を備え、
前記コア部が、Na,Kおよびこれらの化合物のうちの何れかからなる第1ドーパント群を平均濃度20ppm以上100ppm以下含み、シリカガラスの粘性を下げるドーパントであって温度2000℃〜2300℃の何れかの温度での拡散係数が1×10−12cm2/s以上かつ前記第1ドーパント群の拡散係数より小さい第2ドーパント群を平均濃度0.2ppm以上100ppm以下含む、
光ファイバ母材。 - 前記第1ドーパント群の濃度が最大となる位置が、光ファイバにおいてモードフィールド径の1/3倍以下となる円筒領域内にある請求項6記載の光ファイバ母材。
Applications Claiming Priority (2)
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JP2014235290 | 2014-11-20 | ||
JP2014235290 | 2014-11-20 |
Publications (2)
Publication Number | Publication Date |
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JP2016105154A true JP2016105154A (ja) | 2016-06-09 |
JP6551109B2 JP6551109B2 (ja) | 2019-07-31 |
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Family Applications (1)
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JP2015187847A Active JP6551109B2 (ja) | 2014-11-20 | 2015-09-25 | 光ファイバ |
Country Status (4)
Country | Link |
---|---|
US (1) | US9575245B2 (ja) |
EP (1) | EP3040749B1 (ja) |
JP (1) | JP6551109B2 (ja) |
DK (1) | DK3040749T3 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017151341A (ja) * | 2016-02-26 | 2017-08-31 | 住友電気工業株式会社 | 光ファイバ |
WO2018110234A1 (ja) | 2016-12-12 | 2018-06-21 | 住友電気工業株式会社 | 光ファイバ母材製造方法、光ファイバ母材、および光ファイバ |
JP2019019013A (ja) * | 2017-07-12 | 2019-02-07 | 住友電気工業株式会社 | 光ファイバ母材 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6613604B2 (ja) * | 2015-04-30 | 2019-12-04 | 住友電気工業株式会社 | 光ファイバ母材 |
CN107032595B (zh) * | 2017-05-31 | 2020-10-30 | 长飞光纤光缆股份有限公司 | 一种光纤预制棒碱金属掺杂的制备方法及装置 |
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 |
WO2024006073A1 (en) * | 2022-06-27 | 2024-01-04 | Corning Incorporated | Co-alkali doped optical fibers |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS557508A (en) * | 1978-06-26 | 1980-01-19 | Nippon Telegr & Teleph Corp <Ntt> | Production of focusing type optical fiber base material |
JPH0648775A (ja) * | 1991-11-12 | 1994-02-22 | American Teleph & Telegr Co <Att> | アルカリでドーピングしたSiO▲2▼系光学ファイバー |
US20060130530A1 (en) * | 2004-12-21 | 2006-06-22 | Anderson James G | Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom |
JP2007504080A (ja) * | 2003-08-29 | 2007-03-01 | コーニング インコーポレイテッド | アルカリ金属酸化物を含有する光ファイバおよびその製造方法と装置 |
JP2009541796A (ja) * | 2006-06-21 | 2009-11-26 | コーニング インコーポレイテッド | アルカリ金属酸化物を含有する光ファイバ |
JP2012162443A (ja) * | 2011-01-20 | 2012-08-30 | Sumitomo Electric Ind Ltd | 光ファイバ母材、光ファイバ及び光ファイバ母材製造方法 |
WO2013111470A1 (ja) * | 2012-01-25 | 2013-08-01 | 住友電気工業株式会社 | 光ファイバ母材製造方法、光ファイバ母材、及び、光ファイバ |
JP2013224247A (ja) * | 2012-03-23 | 2013-10-31 | Fujikura Ltd | ガラス母材の製造方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU715509B2 (en) | 1996-07-16 | 2000-02-03 | Toyota Jidosha Kabushiki Kaisha | Ultralow-loss silica glass and optical fibers using the same |
US20040057692A1 (en) * | 2002-08-28 | 2004-03-25 | Ball Laura J. | Low loss optical fiber and method for making same |
US7088900B1 (en) | 2005-04-14 | 2006-08-08 | Corning Incorporated | Alkali and fluorine doped optical fiber |
US20080050086A1 (en) | 2006-08-24 | 2008-02-28 | Scott Robertson Bickham | Optical fiber containing alkali metal oxide |
US7844155B2 (en) | 2007-05-07 | 2010-11-30 | Corning Incorporated | Optical fiber containing alkali metal oxide |
US9139466B2 (en) * | 2011-01-20 | 2015-09-22 | Sumitomo Electric Industries, Ltd. | Optical fiber preform, optical fiber, and method of manufacturing optical fiber preform |
JP5974488B2 (ja) * | 2011-04-15 | 2016-08-23 | 住友電気工業株式会社 | 光ファイバおよび光ファイバ母材 |
JP5974455B2 (ja) * | 2011-11-21 | 2016-08-23 | 住友電気工業株式会社 | 光ファイバ母材、光ファイバ製造方法および光ファイバ |
JP6136261B2 (ja) * | 2012-01-23 | 2017-05-31 | 住友電気工業株式会社 | 光ファイバ |
CN102654602B (zh) | 2012-05-08 | 2014-02-26 | 长飞光纤光缆有限公司 | 一种光纤及其制造方法 |
CN104981440B (zh) * | 2013-02-04 | 2017-08-29 | 住友电气工业株式会社 | 光纤母材以及光纤母材的制造方法 |
JP2014214079A (ja) * | 2013-04-30 | 2014-11-17 | 住友電気工業株式会社 | 光ファイバ母材 |
JP6613604B2 (ja) * | 2015-04-30 | 2019-12-04 | 住友電気工業株式会社 | 光ファイバ母材 |
-
2015
- 2015-09-25 JP JP2015187847A patent/JP6551109B2/ja active Active
- 2015-11-17 US US14/943,190 patent/US9575245B2/en active Active
- 2015-11-17 DK DK15194929.4T patent/DK3040749T3/en active
- 2015-11-17 EP EP15194929.4A patent/EP3040749B1/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS557508A (en) * | 1978-06-26 | 1980-01-19 | Nippon Telegr & Teleph Corp <Ntt> | Production of focusing type optical fiber base material |
JPH0648775A (ja) * | 1991-11-12 | 1994-02-22 | American Teleph & Telegr Co <Att> | アルカリでドーピングしたSiO▲2▼系光学ファイバー |
JP2007504080A (ja) * | 2003-08-29 | 2007-03-01 | コーニング インコーポレイテッド | アルカリ金属酸化物を含有する光ファイバおよびその製造方法と装置 |
US20060130530A1 (en) * | 2004-12-21 | 2006-06-22 | Anderson James G | Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom |
JP2009541796A (ja) * | 2006-06-21 | 2009-11-26 | コーニング インコーポレイテッド | アルカリ金属酸化物を含有する光ファイバ |
JP2012162443A (ja) * | 2011-01-20 | 2012-08-30 | Sumitomo Electric Ind Ltd | 光ファイバ母材、光ファイバ及び光ファイバ母材製造方法 |
WO2013111470A1 (ja) * | 2012-01-25 | 2013-08-01 | 住友電気工業株式会社 | 光ファイバ母材製造方法、光ファイバ母材、及び、光ファイバ |
JP2013224247A (ja) * | 2012-03-23 | 2013-10-31 | Fujikura Ltd | ガラス母材の製造方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017151341A (ja) * | 2016-02-26 | 2017-08-31 | 住友電気工業株式会社 | 光ファイバ |
WO2017145834A1 (ja) * | 2016-02-26 | 2017-08-31 | 住友電気工業株式会社 | 光ファイバ |
US10031282B2 (en) | 2016-02-26 | 2018-07-24 | Sumitomo Electric Industries, Ltd. | Optical fiber |
WO2018110234A1 (ja) | 2016-12-12 | 2018-06-21 | 住友電気工業株式会社 | 光ファイバ母材製造方法、光ファイバ母材、および光ファイバ |
JPWO2018110234A1 (ja) * | 2016-12-12 | 2019-10-24 | 住友電気工業株式会社 | 光ファイバ母材製造方法、光ファイバ母材、および光ファイバ |
JP2019019013A (ja) * | 2017-07-12 | 2019-02-07 | 住友電気工業株式会社 | 光ファイバ母材 |
JP7013697B2 (ja) | 2017-07-12 | 2022-02-01 | 住友電気工業株式会社 | 光ファイバ母材 |
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JP6551109B2 (ja) | 2019-07-31 |
US20160147010A1 (en) | 2016-05-26 |
DK3040749T3 (en) | 2017-09-11 |
EP3040749A1 (en) | 2016-07-06 |
US9575245B2 (en) | 2017-02-21 |
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