GB8715461D0 - Making optical fibres - Google Patents
Making optical fibresInfo
- Publication number
- GB8715461D0 GB8715461D0 GB878715461A GB8715461A GB8715461D0 GB 8715461 D0 GB8715461 D0 GB 8715461D0 GB 878715461 A GB878715461 A GB 878715461A GB 8715461 A GB8715461 A GB 8715461A GB 8715461 D0 GB8715461 D0 GB 8715461D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical fibres
- making optical
- making
- fibres
- optical
- 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.)
- Withdrawn
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
- C03B37/01205—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
- C03B2201/00—Type of glass produced
- C03B2201/02—Pure silica glass, e.g. pure fused quartz
- C03B2201/03—Impurity concentration specified
- C03B2201/04—Hydroxyl ion (OH)
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8715461A GB2208114A (en) | 1987-07-01 | 1987-07-01 | Optical fibre preforms |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8715461A GB2208114A (en) | 1987-07-01 | 1987-07-01 | Optical fibre preforms |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8715461D0 true GB8715461D0 (en) | 1987-08-05 |
GB2208114A GB2208114A (en) | 1989-03-01 |
Family
ID=10619894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8715461A Withdrawn GB2208114A (en) | 1987-07-01 | 1987-07-01 | Optical fibre preforms |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2208114A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6105396A (en) * | 1998-07-14 | 2000-08-22 | Lucent Technologies Inc. | Method of making a large MCVD single mode fiber preform by varying internal pressure to control preform straightness |
DE69929152T2 (en) * | 1998-10-08 | 2006-08-24 | Heraeus Tenevo Gmbh | Method for producing a quartz glass preform for optical fibers and the quartz glass tube used therefor |
JP4565221B2 (en) * | 1998-10-09 | 2010-10-20 | 信越石英株式会社 | Optical fiber preform |
US6460378B1 (en) * | 2000-02-29 | 2002-10-08 | Xiaoyuan Dong | Collapsing a multitube assembly and subsequent optical fiber drawing in the same furnace |
DE10025176A1 (en) * | 2000-05-24 | 2001-12-06 | Heraeus Quarzglas | Process for the production of an optical fiber and preform for an optical fiber |
DE102007003889B3 (en) * | 2007-01-19 | 2008-09-11 | Heraeus Quarzglas Gmbh & Co. Kg | Quartz glass tube as a semi-finished product for the preform and fiber production, its use and method for producing the quartz glass tube |
CN101891380B (en) * | 2010-07-13 | 2012-07-04 | 长飞光纤光缆有限公司 | Manufacturing method of large-size optical fiber preform |
CN109650712B (en) * | 2019-01-29 | 2020-07-07 | 江苏永鼎股份有限公司 | Large-size low-loss optical fiber preform and preparation method thereof |
CN109942182B (en) * | 2019-03-11 | 2020-10-30 | 江苏永鼎股份有限公司 | Optical fiber preform manufacturing method based on sleeve method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2536456C2 (en) * | 1975-08-16 | 1981-02-05 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Semi-finished product for the production of optical fibers and process for the production of the semi-finished product |
GB2043619B (en) * | 1979-03-07 | 1983-01-26 | Standard Telephones Cables Ltd | Optical fibre and optical fibre preform manufacture |
GB2109367B (en) * | 1981-11-17 | 1985-02-13 | Pirelli General Plc | Manufacture of a preform for optical fibres by the rod in tube method |
JPS59202401A (en) * | 1983-05-02 | 1984-11-16 | Sumitomo Electric Ind Ltd | Optical fiber and its manufacture |
JPS60226422A (en) * | 1984-04-20 | 1985-11-11 | Sumitomo Electric Ind Ltd | Preparation of intermediate for single mode fiber |
-
1987
- 1987-07-01 GB GB8715461A patent/GB2208114A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2208114A (en) | 1989-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |