CH618409A5 - Process for the production of a blank for optical fibres - Google Patents
Process for the production of a blank for optical fibres Download PDFInfo
- Publication number
- CH618409A5 CH618409A5 CH610275A CH610275A CH618409A5 CH 618409 A5 CH618409 A5 CH 618409A5 CH 610275 A CH610275 A CH 610275A CH 610275 A CH610275 A CH 610275A CH 618409 A5 CH618409 A5 CH 618409A5
- Authority
- CH
- Switzerland
- Prior art keywords
- tube
- glass
- layer
- blank
- refractive index
- Prior art date
Links
Classifications
-
- 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
- C03B37/01807—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
- C03B37/02—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
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB21488/74A GB1487371A (en) | 1974-05-15 | 1974-05-15 | Optical fibre manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
CH618409A5 true CH618409A5 (en) | 1980-07-31 |
Family
ID=10163791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH610275A CH618409A5 (en) | 1974-05-15 | 1975-05-13 | Process for the production of a blank for optical fibres |
Country Status (8)
Country | Link |
---|---|
CH (1) | CH618409A5 (es) |
DE (1) | DE2521270A1 (es) |
ES (1) | ES437631A1 (es) |
FR (1) | FR2271588B1 (es) |
GB (1) | GB1487371A (es) |
IT (1) | IT1060724B (es) |
NL (1) | NL7505282A (es) |
ZA (1) | ZA752407B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1106710A (en) * | 1977-06-22 | 1981-08-11 | Michael G. Blankenship | Method of making optical devices |
DE3031160A1 (de) * | 1980-08-18 | 1982-04-01 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum reinigen von glasoberflaechen |
-
1974
- 1974-05-15 GB GB21488/74A patent/GB1487371A/en not_active Expired
-
1975
- 1975-04-16 ZA ZA00752407A patent/ZA752407B/xx unknown
- 1975-05-06 NL NL7505282A patent/NL7505282A/xx not_active Application Discontinuation
- 1975-05-13 ES ES437631A patent/ES437631A1/es not_active Expired
- 1975-05-13 IT IT23246/75A patent/IT1060724B/it active
- 1975-05-13 CH CH610275A patent/CH618409A5/de not_active IP Right Cessation
- 1975-05-13 DE DE19752521270 patent/DE2521270A1/de not_active Withdrawn
- 1975-05-15 FR FR7515170A patent/FR2271588B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2271588A1 (es) | 1975-12-12 |
AU8078175A (en) | 1976-11-04 |
NL7505282A (nl) | 1975-11-18 |
ES437631A1 (es) | 1977-05-16 |
IT1060724B (it) | 1982-08-20 |
FR2271588B1 (es) | 1981-09-25 |
DE2521270A1 (de) | 1975-11-27 |
GB1487371A (en) | 1977-09-28 |
ZA752407B (en) | 1976-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |