IT1130698B - MANUFACTURE OF SINGLE-MODE FIBERS - Google Patents
MANUFACTURE OF SINGLE-MODE FIBERSInfo
- Publication number
- IT1130698B IT1130698B IT22414/80A IT2241480A IT1130698B IT 1130698 B IT1130698 B IT 1130698B IT 22414/80 A IT22414/80 A IT 22414/80A IT 2241480 A IT2241480 A IT 2241480A IT 1130698 B IT1130698 B IT 1130698B
- Authority
- IT
- Italy
- Prior art keywords
- manufacture
- mode fibers
- fibers
- mode
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
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
- G02B6/03622—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
- G02B6/03633—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
- 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]
- 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
- 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
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/102—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type for infrared and ultraviolet radiation
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/02—Pure silica glass, e.g. pure fused 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
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
-
- 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
- C03B2203/24—Single mode [SM or monomode]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000334464A CA1122079A (en) | 1979-08-27 | 1979-08-27 | Manufacture of monomode fibers |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8022414A0 IT8022414A0 (en) | 1980-05-29 |
IT1130698B true IT1130698B (en) | 1986-06-18 |
Family
ID=4115006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22414/80A IT1130698B (en) | 1979-08-27 | 1980-05-29 | MANUFACTURE OF SINGLE-MODE FIBERS |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5635108A (en) |
CA (1) | CA1122079A (en) |
GB (1) | GB2071351A (en) |
IT (1) | IT1130698B (en) |
NL (1) | NL8003105A (en) |
SE (1) | SE8005973L (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136239B (en) * | 1983-03-03 | 1986-11-19 | British Telecomm | Optical fibre transmission systems |
JPS6252508A (en) * | 1985-09-02 | 1987-03-07 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber |
GB2180059A (en) * | 1985-09-05 | 1987-03-18 | Stc Plc | Plasma spectroscopy |
US4836640A (en) * | 1986-06-27 | 1989-06-06 | American Telephone And Telegraph Company, At&T Bell Laboratories | Depressed cladding optical fiber cable |
US4852968A (en) * | 1986-08-08 | 1989-08-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber comprising a refractive index trench |
GB2228585A (en) * | 1989-02-28 | 1990-08-29 | Stc Plc | Silica optical fibre having two cladding layers |
FR2741061B1 (en) * | 1995-11-13 | 1998-03-20 | Alcatel Fibres Optiques | METHOD FOR MANUFACTURING SINGLE-MODE OPTICAL FIBER AND OPTICAL AMPLIFIER USING SUCH FIBER |
-
1979
- 1979-08-27 CA CA000334464A patent/CA1122079A/en not_active Expired
-
1980
- 1980-05-16 GB GB8016278A patent/GB2071351A/en not_active Withdrawn
- 1980-05-29 NL NL8003105A patent/NL8003105A/en not_active Application Discontinuation
- 1980-05-29 IT IT22414/80A patent/IT1130698B/en active
- 1980-08-05 JP JP10683680A patent/JPS5635108A/en active Pending
- 1980-08-26 SE SE8005973A patent/SE8005973L/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT8022414A0 (en) | 1980-05-29 |
SE8005973L (en) | 1981-02-28 |
GB2071351A (en) | 1981-09-16 |
NL8003105A (en) | 1981-03-03 |
JPS5635108A (en) | 1981-04-07 |
CA1122079A (en) | 1982-04-20 |
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