ZA992622B - Method of making optical fibres. - Google Patents
Method of making optical fibres.Info
- Publication number
- ZA992622B ZA992622B ZA9902622A ZA992622A ZA992622B ZA 992622 B ZA992622 B ZA 992622B ZA 9902622 A ZA9902622 A ZA 9902622A ZA 992622 A ZA992622 A ZA 992622A ZA 992622 B ZA992622 B ZA 992622B
- Authority
- ZA
- South Africa
- Prior art keywords
- optical fibres
- making optical
- making
- fibres
- optical
- Prior art date
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
- G02B6/02214—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
- G02B6/02247—Dispersion varying along the longitudinal direction, e.g. dispersion managed fibre
-
- 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
-
- 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
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- 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
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
-
- 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
- G02B6/02228—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
- G02B6/02238—Low dispersion slope fibres
- G02B6/02242—Low dispersion slope fibres having a dispersion slope <0.06 ps/km/nm2
-
- 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
-
- 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
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/02—External structure or shape details
- C03B2203/06—Axial perturbations, e.g. twist, by torsion, undulating, crimped
-
- 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
- C03B2203/18—Axial perturbations, e.g. in refractive index or composition
-
- 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
- C03B2203/24—Single mode [SM or monomode]
-
- 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)
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lasers (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8269998P | 1998-04-22 | 1998-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA992622B true ZA992622B (en) | 1999-10-08 |
Family
ID=22172851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9902622A ZA992622B (en) | 1998-04-22 | 1999-04-09 | Method of making optical fibres. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1073920A1 (en) |
JP (1) | JP2002512172A (en) |
KR (1) | KR20010042885A (en) |
CN (1) | CN1300375A (en) |
AU (1) | AU3552599A (en) |
BR (1) | BR9909523A (en) |
CA (1) | CA2326682A1 (en) |
ID (1) | ID29266A (en) |
TW (1) | TW417026B (en) |
WO (1) | WO1999054763A1 (en) |
ZA (1) | ZA992622B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6389207B1 (en) * | 1999-12-13 | 2002-05-14 | Corning Incorporated | Dispersion managed fiber |
FR2806401B1 (en) * | 2000-03-16 | 2003-01-17 | Cit Alcatel | METHOD FOR MANUFACTURING VARIABLE CHROMATIC DISPERSION OPTICAL FIBER |
FR2809386B1 (en) * | 2000-05-25 | 2003-01-17 | Cit Alcatel | METHOD FOR MANUFACTURING OPTICAL FIBER WITH CONTROL OF TRANSMISSION CHARACTERISTICS |
JP4073806B2 (en) * | 2002-08-09 | 2008-04-09 | 株式会社フジクラ | Optical fiber and optical transmission line using the optical fiber |
CN110699776B (en) * | 2019-09-04 | 2022-03-15 | 苏州大学 | Polymer optical fiber and light-emitting fabric |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2584151B2 (en) * | 1991-06-11 | 1997-02-19 | 株式会社フジクラ | Optical fiber |
US5553185A (en) * | 1994-12-27 | 1996-09-03 | Corning Incorporated | Controlled dispersion optical waveguide |
US5613028A (en) * | 1995-08-10 | 1997-03-18 | Corning Incorporated | Control of dispersion in an optical waveguide |
CA2211820A1 (en) * | 1996-08-01 | 1998-02-01 | Youichi Akasaka | Stimulated brillouin scattering suppressed optical fiber |
US5887105A (en) * | 1997-04-28 | 1999-03-23 | Corning Incorporated | Dispersion managed optical fiber |
-
1999
- 1999-04-09 CA CA002326682A patent/CA2326682A1/en not_active Abandoned
- 1999-04-09 JP JP2000545051A patent/JP2002512172A/en active Pending
- 1999-04-09 KR KR1020007011666A patent/KR20010042885A/en not_active Application Discontinuation
- 1999-04-09 BR BR9909523-8A patent/BR9909523A/en not_active Application Discontinuation
- 1999-04-09 EP EP99917390A patent/EP1073920A1/en not_active Withdrawn
- 1999-04-09 ID IDW20002414A patent/ID29266A/en unknown
- 1999-04-09 WO PCT/US1999/007845 patent/WO1999054763A1/en not_active Application Discontinuation
- 1999-04-09 AU AU35525/99A patent/AU3552599A/en not_active Abandoned
- 1999-04-09 CN CN99805272A patent/CN1300375A/en active Pending
- 1999-04-09 ZA ZA9902622A patent/ZA992622B/en unknown
- 1999-04-23 TW TW088106674A patent/TW417026B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW417026B (en) | 2001-01-01 |
WO1999054763A1 (en) | 1999-10-28 |
EP1073920A1 (en) | 2001-02-07 |
CA2326682A1 (en) | 1999-10-28 |
CN1300375A (en) | 2001-06-20 |
BR9909523A (en) | 2000-12-12 |
KR20010042885A (en) | 2001-05-25 |
ID29266A (en) | 2001-08-16 |
AU3552599A (en) | 1999-11-08 |
JP2002512172A (en) | 2002-04-23 |
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