DE69526910D1 - Verfahren zur Herstellung von optischen Fasern mit Brechungsindexabsenkung im Kernbereich der Faser - Google Patents
Verfahren zur Herstellung von optischen Fasern mit Brechungsindexabsenkung im Kernbereich der FaserInfo
- Publication number
- DE69526910D1 DE69526910D1 DE69526910T DE69526910T DE69526910D1 DE 69526910 D1 DE69526910 D1 DE 69526910D1 DE 69526910 T DE69526910 T DE 69526910T DE 69526910 T DE69526910 T DE 69526910T DE 69526910 D1 DE69526910 D1 DE 69526910D1
- Authority
- DE
- Germany
- Prior art keywords
- fiber
- production
- refractive index
- optical fibers
- core area
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- G02B6/03638—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 3 layers only
- G02B6/03644—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 3 layers only arranged - + -
-
- 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
- C03B37/01205—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
- C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
-
- 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]
- C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
- C03B37/01473—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]
- C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes
-
- 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]
- C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes
- C03B37/01493—Deposition substrates, e.g. targets, mandrels, start rods or tubes
-
- 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
- C03B37/01869—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
- C03B37/01884—Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes
-
- 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 - +
-
- 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
- C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
-
- 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
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/14—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron and 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
- C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
-
- 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
- C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
-
- 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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02252—Negative dispersion fibres at 1550 nm
- G02B6/02261—Dispersion compensating fibres, i.e. for compensating positive dispersion of other fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35939294A | 1994-12-20 | 1994-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69526910D1 true DE69526910D1 (de) | 2002-07-11 |
DE69526910T2 DE69526910T2 (de) | 2002-11-07 |
Family
ID=23413614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995626910 Expired - Fee Related DE69526910T2 (de) | 1994-12-20 | 1995-12-06 | Verfahren zur Herstellung von optischen Fasern mit Brechungsindexabsenkung im Kernbereich der Faser |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0718244B1 (de) |
JP (1) | JPH08225335A (de) |
AU (1) | AU700828B2 (de) |
CA (1) | CA2161939A1 (de) |
DE (1) | DE69526910T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5917109A (en) * | 1994-12-20 | 1999-06-29 | Corning Incorporated | Method of making optical fiber having depressed index core region |
US5894537A (en) * | 1996-01-11 | 1999-04-13 | Corning Incorporated | Dispersion managed optical waveguide |
US6173588B1 (en) | 1996-01-11 | 2001-01-16 | Corning Incorporated | Method of making dispersion managed optical fibers |
TW342457B (en) * | 1996-04-29 | 1998-10-11 | Corning Inc | Method of making optical fibers |
CA2247970A1 (en) | 1997-10-29 | 1999-04-29 | Corning Incorporated | Method of making segmented core optical waveguide preforms |
WO1999040037A1 (fr) * | 1998-02-03 | 1999-08-12 | Sumitomo Electric Industries, Ltd. | Procede de fabrication de materiau de base pour fibres optiques |
DE19958276C1 (de) * | 1999-12-03 | 2001-05-03 | Heraeus Quarzglas | Verfahren für die Herstellung einer Quarzglas-Vorform für eine Lichtleitfaser |
CN101239778B (zh) | 2002-04-16 | 2011-05-25 | 住友电气工业株式会社 | 光纤预制棒制造方法及光纤制造方法 |
CA2454896A1 (en) * | 2003-01-16 | 2004-07-16 | Sumitomo Electric Industries, Ltd. | Method of producing optical fiber preform, and optical fiber preform and optical fiber produced with the method |
JP4291638B2 (ja) | 2003-07-29 | 2009-07-08 | 富士フイルム株式会社 | アルカリ可溶性ポリマー及びそれを用いた平版印刷版原版 |
JP4524235B2 (ja) | 2005-03-29 | 2010-08-11 | 富士フイルム株式会社 | 平版印刷版原版 |
DK2655274T3 (da) * | 2010-12-23 | 2017-11-27 | Prysmian Spa | Fremgangsmåde til fremstilling af en præform af glas til optiske fibre |
US9873629B2 (en) * | 2011-06-30 | 2018-01-23 | Corning Incorporated | Methods for producing optical fiber preforms with low index trenches |
CN103011578B (zh) * | 2012-12-17 | 2014-12-24 | 中天科技精密材料有限公司 | 一种制造凹陷包层超低水峰光纤芯棒的装置及其方法 |
JP6513796B2 (ja) * | 2014-09-16 | 2019-05-15 | コーニング インコーポレイテッド | 一工程フッ素トレンチ及びオーバークラッドを有する光ファイバプリフォームの作製方法 |
CN111635127B (zh) * | 2020-05-08 | 2023-06-09 | 江苏永鼎光纤科技有限公司 | 含有功能性石英包层的光纤预制棒及其制备方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715679A (en) | 1981-12-07 | 1987-12-29 | Corning Glass Works | Low dispersion, low-loss single-mode optical waveguide |
US4486212A (en) | 1982-09-29 | 1984-12-04 | Corning Glass Works | Devitrification resistant flame hydrolysis process |
US4629485A (en) | 1983-09-26 | 1986-12-16 | Corning Glass Works | Method of making fluorine doped optical preform and fiber and resultant articles |
US4561871A (en) * | 1983-12-27 | 1985-12-31 | Corning Glass Works | Method of making polarization preserving optical fiber |
AU3814585A (en) * | 1984-04-03 | 1985-10-10 | Optical Waveguides Australia Pty. Ltd. | Improved method for the fabrication of optical fibre |
CA1236695A (en) * | 1984-09-17 | 1988-05-17 | Koichi Abe | Optical fiber |
JPS61117126A (ja) | 1984-11-13 | 1986-06-04 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
JPS62226829A (ja) * | 1986-03-26 | 1987-10-05 | Furukawa Electric Co Ltd:The | 光フアイバ母材の製造方法 |
US4775401A (en) * | 1987-06-18 | 1988-10-04 | American Telephone And Telegraph Company, At&T Bell Laboratories | Method of producing an optical fiber |
JPH064490B2 (ja) * | 1987-12-09 | 1994-01-19 | 住友電気工業株式会社 | 定偏波光フアイバの製造方法 |
US4915467A (en) * | 1988-09-12 | 1990-04-10 | Corning Incorporated | Method of making fiber coupler having integral precision connection wells |
US5031131A (en) | 1988-11-14 | 1991-07-09 | Eaton Corporation | Direct digital synthesizer |
US5180410A (en) * | 1990-07-30 | 1993-01-19 | Corning Incorporated | Method of making polarization retaining fiber |
US5152818A (en) * | 1990-11-09 | 1992-10-06 | Corning Incorporated | Method of making polarization retaining fiber |
JPH04270132A (ja) * | 1991-02-25 | 1992-09-25 | Sumitomo Electric Ind Ltd | 光ファイバ用ガラス母材の製造方法 |
US5149349A (en) * | 1991-07-11 | 1992-09-22 | Corning Incorporated | Method of making polarization retaining fiber with an elliptical core, with collapsed apertures |
AU2325592A (en) * | 1991-07-15 | 1993-02-23 | Telstra Corporation Limited | Light transmitting device having regions of differing refractive index |
-
1995
- 1995-11-01 CA CA 2161939 patent/CA2161939A1/en not_active Abandoned
- 1995-12-06 EP EP19950119160 patent/EP0718244B1/de not_active Expired - Lifetime
- 1995-12-06 DE DE1995626910 patent/DE69526910T2/de not_active Expired - Fee Related
- 1995-12-12 AU AU40357/95A patent/AU700828B2/en not_active Ceased
- 1995-12-18 JP JP34752995A patent/JPH08225335A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0718244A3 (de) | 1997-07-16 |
JPH08225335A (ja) | 1996-09-03 |
CA2161939A1 (en) | 1996-06-21 |
AU700828B2 (en) | 1999-01-14 |
EP0718244B1 (de) | 2002-06-05 |
EP0718244A2 (de) | 1996-06-26 |
DE69526910T2 (de) | 2002-11-07 |
AU4035795A (en) | 1996-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |