GB2109367B - Manufacture of a preform for optical fibres by the rod in tube method - Google Patents

Manufacture of a preform for optical fibres by the rod in tube method

Info

Publication number
GB2109367B
GB2109367B GB08134638A GB8134638A GB2109367B GB 2109367 B GB2109367 B GB 2109367B GB 08134638 A GB08134638 A GB 08134638A GB 8134638 A GB8134638 A GB 8134638A GB 2109367 B GB2109367 B GB 2109367B
Authority
GB
United Kingdom
Prior art keywords
preform
manufacture
rod
optical fibres
tube method
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.)
Expired
Application number
GB08134638A
Other versions
GB2109367A (en
Inventor
Stephen Roy Norman
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
Original Assignee
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 Prysmian Cables and Systems Ltd filed Critical Prysmian Cables and Systems Ltd
Priority to GB08134638A priority Critical patent/GB2109367B/en
Publication of GB2109367A publication Critical patent/GB2109367A/en
Application granted granted Critical
Publication of GB2109367B publication Critical patent/GB2109367B/en
Expired 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
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • 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
    • 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)
GB08134638A 1981-11-17 1981-11-17 Manufacture of a preform for optical fibres by the rod in tube method Expired GB2109367B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08134638A GB2109367B (en) 1981-11-17 1981-11-17 Manufacture of a preform for optical fibres by the rod in tube method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08134638A GB2109367B (en) 1981-11-17 1981-11-17 Manufacture of a preform for optical fibres by the rod in tube method

Publications (2)

Publication Number Publication Date
GB2109367A GB2109367A (en) 1983-06-02
GB2109367B true GB2109367B (en) 1985-02-13

Family

ID=10525945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08134638A Expired GB2109367B (en) 1981-11-17 1981-11-17 Manufacture of a preform for optical fibres by the rod in tube method

Country Status (1)

Country Link
GB (1) GB2109367B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208114A (en) * 1987-07-01 1989-03-01 Pirelli General Plc Optical fibre preforms
DE69319999T2 (en) * 1992-11-19 1999-03-18 Heraeus Quarzglas Process for the production of a large quartz glass tube, as well as a preform and an optical fiber
GB2291643B (en) 1994-07-21 1998-01-28 Pirelli General Plc Optical fibre preforms
EP1000908B1 (en) * 1998-10-08 2005-12-28 Heraeus Tenevo GmbH Method for producing quartz glass preform for optical fibers and the quartz glass tube used thereto
DE19952821B4 (en) * 1999-11-02 2004-05-06 Heraeus Tenevo Ag Process for producing a quartz glass preform for optical fibers
WO2002072489A2 (en) 2001-03-09 2002-09-19 Crystal Fibre A/S Fabrication of microstructured fibres
NL1033763C2 (en) * 2007-04-26 2008-10-28 Draka Comteq Bv Device and method for manufacturing an optical preform.

Also Published As

Publication number Publication date
GB2109367A (en) 1983-06-02

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20011116