GB8715461D0 - Making optical fibres - Google Patents

Making optical fibres

Info

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Withdrawn
Application number
GB878715461A
Other versions
GB2208114A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prysmian Cables and Systems Ltd
Saint Gobain Quartz Ltd
Original Assignee
TSL Group PLC
Prysmian Cables and Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TSL Group PLC, Prysmian Cables and Systems Ltd filed Critical TSL Group PLC
Priority to GB8715461A priority Critical patent/GB2208114A/en
Publication of GB8715461D0 publication Critical patent/GB8715461D0/en
Publication of GB2208114A publication Critical patent/GB2208114A/en
Withdrawn legal-status Critical Current

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)
GB8715461A 1987-07-01 1987-07-01 Optical fibre preforms Withdrawn GB2208114A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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)