JPWO2013111470A1 - 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 - Google Patents
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 Download PDFInfo
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- JPWO2013111470A1 JPWO2013111470A1 JP2013555151A JP2013555151A JPWO2013111470A1 JP WO2013111470 A1 JPWO2013111470 A1 JP WO2013111470A1 JP 2013555151 A JP2013555151 A JP 2013555151A JP 2013555151 A JP2013555151 A JP 2013555151A JP WO2013111470 A1 JPWO2013111470 A1 JP WO2013111470A1
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- optical fiber
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- alkali metal
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- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/66—Chemical treatment, e.g. leaching, acid or alkali treatment
- C03C25/68—Chemical treatment, e.g. leaching, acid or alkali treatment by etching
-
- 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
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
- C03B37/01245—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down by drawing and collapsing
-
- 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
- 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
-
- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/42—Coatings containing inorganic materials
- C03C25/46—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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/60—Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface
- C03C25/607—Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface in the gaseous phase
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
- Y10T428/2956—Glass or silicic fiber or filament with metal coating
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (8)
- コア部およびクラッド部を含む石英系ガラスからなる光ファイバ母材を製造する方法であって、
石英ガラスからなるガラスパイプの内表面近傍に最高濃度500ppm以上のアルカリ金属を添加するアルカリ金属添加工程と、
前記アルカリ金属添加工程の後に前記ガラスパイプの内部にSF6ガスおよび塩素ガスを流して前記ガラスパイプの内表面を気相エッチングするエッチング工程と、
前記エッチング工程の後に前記ガラスパイプを中実化してガラスロッドを作製する中実化工程と、
を備え、
前記中実化工程により作製されたガラスロッドを用いて光ファイバ母材を製造する、
ことを特徴とする光ファイバ母材製造方法。 - 前記エッチング工程において塩素ガスの流量をSF6ガスの流量の2〜10倍とすることを特徴とする請求項1に記載の光ファイバ母材製造方法。
- 前記エッチング工程においてキャリアガスとして酸素を含まないことを特徴とする請求項1または2に記載の光ファイバ母材製造方法。
- 前記エッチング工程において前記ガラスパイプの内表面の温度が1500℃以上となるように前記ガラスパイプを加熱することを特徴とする請求項1〜3のいずれか1項に記載の光ファイバ母材製造方法。
- 前記エッチング工程において、前記ガラスパイプの各点が温度800℃以上に加熱される時間が8分より短いことを特徴とする請求項1〜4のいずれか1項に記載の光ファイバ母材製造方法。
- 前記エッチング工程においては、前記ガラスパイプの同一箇所を複数回加熱しないように前記ガラスパイプを加熱することを特徴とする請求項1〜5のいずれか1項に記載の光ファイバ母材製造方法。
- 請求項1〜6の何れか1項に記載の光ファイバ母材製造方法により製造された光ファイバ母材であって、
第一コア部と、この第一コア部の周りに設けられた第二コア部と、を有し、
前記第一コア部において、アルカリ金属添加量が平均10原子ppm以上であり、塩素添加量が500ppm以下であり、フッ素添加量が500ppm以上であり、
前記第二コア部において、アルカリ金属添加量が平均10原子ppm以下であり、塩素添加量が1000ppm以上である、
ことを特徴とする光ファイバ母材。 - 請求項1〜6の何れか1項に記載の光ファイバ母材製造方法により製造された光ファイバ母材を線引して製造される光ファイバであって、
波長1550nmにおける伝送損失が0.180dB/km以下であることを特徴とする光ファイバ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012013122 | 2012-01-25 | ||
JP2012013122 | 2012-01-25 | ||
PCT/JP2012/082371 WO2013111470A1 (ja) | 2012-01-25 | 2012-12-13 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013111470A1 true JPWO2013111470A1 (ja) | 2015-05-11 |
JP6011549B2 JP6011549B2 (ja) | 2016-10-19 |
Family
ID=48873210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013555151A Active JP6011549B2 (ja) | 2012-01-25 | 2012-12-13 | 光ファイバ母材製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140370287A1 (ja) |
EP (1) | EP2808310B1 (ja) |
JP (1) | JP6011549B2 (ja) |
CN (1) | CN104093674B (ja) |
DK (1) | DK2808310T3 (ja) |
WO (1) | WO2013111470A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5903896B2 (ja) | 2012-01-11 | 2016-04-13 | 住友電気工業株式会社 | 光ファイバ母材製造方法 |
JP6551109B2 (ja) * | 2014-11-20 | 2019-07-31 | 住友電気工業株式会社 | 光ファイバ |
US9919955B2 (en) | 2015-07-24 | 2018-03-20 | Ofs Fitel, Llc | Optical fiber with low loss and nanoscale structurally homogeneous core |
EP3677556A4 (en) * | 2017-08-31 | 2021-05-26 | Sumitomo Electric Industries, Ltd. | METHOD FOR MANUFACTURING A GLASS FIBER STARTING MATERIAL AND METHOD FOR MANUFACTURING A GLASS FIBER |
CN112400127B (zh) | 2018-04-30 | 2023-05-23 | 康宁股份有限公司 | 小直径低衰减光纤 |
JP2021523397A (ja) | 2018-04-30 | 2021-09-02 | コーニング インコーポレイテッド | 小外径低減衰光ファイバ |
WO2019212801A1 (en) | 2018-04-30 | 2019-11-07 | Corning Incorporated | Small diameter low attenuation optical fiber |
US11036000B2 (en) | 2019-01-16 | 2021-06-15 | Corning Incorporated | Optical fiber cable with high fiber count |
US11194107B2 (en) | 2019-08-20 | 2021-12-07 | Corning Incorporated | High-density FAUs and optical interconnection devices employing small diameter low attenuation optical fiber |
WO2021141721A1 (en) | 2020-01-07 | 2021-07-15 | Corning Incorporated | Reduced radius optical fiber with high mechanical reliability |
WO2021231083A1 (en) | 2020-05-12 | 2021-11-18 | Corning Incorporated | Reduced diameter single mode optical fibers with high mechanical reliability |
WO2022050190A1 (ja) * | 2020-09-03 | 2022-03-10 | 住友電気工業株式会社 | 光ファイバ母材の製造方法及び光ファイバ母材 |
WO2024048356A1 (ja) * | 2022-08-29 | 2024-03-07 | 住友電気工業株式会社 | 光ファイバ母材の製造方法及び光ファイバ母材 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005250025A (ja) * | 2004-03-03 | 2005-09-15 | Masataka Nakazawa | フォトニッククリスタル光ファイバの製造方法 |
JP2005537210A (ja) * | 2002-08-28 | 2005-12-08 | コーニング インコーポレイテッド | 低損失光ファイバおよびその製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5146534A (en) | 1991-11-12 | 1992-09-08 | At&T Bell Laboratories | SiO2 -based alkali-doped optical fiber |
AU715509B2 (en) | 1996-07-16 | 2000-02-03 | Toyota Jidosha Kabushiki Kaisha | Ultralow-loss silica glass and optical fibers using the same |
NL1020781C2 (nl) * | 2002-06-06 | 2003-12-09 | Draka Fibre Technology Bv | Werkwijze voor het vervaardigen van een massieve voorvorm. |
US20040139765A1 (en) * | 2003-01-16 | 2004-07-22 | Sumitomo Electric Industries, Ltd. | Method of producing optical fiber preform, and optical fiber preform and optical fiber produced with the method |
KR101066281B1 (ko) | 2003-08-29 | 2011-09-20 | 코닝 인코포레이티드 | 알칼리 금속 산화물을 함유하는 광섬유, 및 그 제조 방법및 장치 |
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 |
US7088900B1 (en) | 2005-04-14 | 2006-08-08 | Corning Incorporated | Alkali and fluorine doped optical fiber |
US7536076B2 (en) | 2006-06-21 | 2009-05-19 | Corning Incorporated | Optical fiber containing alkali metal oxide |
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 |
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 |
-
2012
- 2012-12-13 DK DK12866613.8T patent/DK2808310T3/en active
- 2012-12-13 JP JP2013555151A patent/JP6011549B2/ja active Active
- 2012-12-13 US US14/370,303 patent/US20140370287A1/en not_active Abandoned
- 2012-12-13 WO PCT/JP2012/082371 patent/WO2013111470A1/ja active Application Filing
- 2012-12-13 EP EP12866613.8A patent/EP2808310B1/en not_active Not-in-force
- 2012-12-13 CN CN201280067502.5A patent/CN104093674B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005537210A (ja) * | 2002-08-28 | 2005-12-08 | コーニング インコーポレイテッド | 低損失光ファイバおよびその製造方法 |
JP2005250025A (ja) * | 2004-03-03 | 2005-09-15 | Masataka Nakazawa | フォトニッククリスタル光ファイバの製造方法 |
Also Published As
Publication number | Publication date |
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JP6011549B2 (ja) | 2016-10-19 |
US20140370287A1 (en) | 2014-12-18 |
EP2808310B1 (en) | 2017-08-23 |
DK2808310T3 (en) | 2017-10-02 |
CN104093674A (zh) | 2014-10-08 |
EP2808310A4 (en) | 2015-09-16 |
WO2013111470A1 (ja) | 2013-08-01 |
EP2808310A1 (en) | 2014-12-03 |
CN104093674B (zh) | 2016-06-01 |
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