GB2123810B - Fabrication of single polarization optical fibres - Google Patents

Fabrication of single polarization optical fibres

Info

Publication number
GB2123810B
GB2123810B GB08318117A GB8318117A GB2123810B GB 2123810 B GB2123810 B GB 2123810B GB 08318117 A GB08318117 A GB 08318117A GB 8318117 A GB8318117 A GB 8318117A GB 2123810 B GB2123810 B GB 2123810B
Authority
GB
United Kingdom
Prior art keywords
fabrication
optical fibres
single polarization
polarization optical
fibres
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
GB08318117A
Other versions
GB8318117D0 (en
GB2123810A (en
Inventor
Toshihide Tokunaga
Masaaki Kato
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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
Priority claimed from JP57122630A external-priority patent/JPS5913643A/en
Priority claimed from JP57123372A external-priority patent/JPS5913645A/en
Application filed by Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Publication of GB8318117D0 publication Critical patent/GB8318117D0/en
Publication of GB2123810A publication Critical patent/GB2123810A/en
Application granted granted Critical
Publication of GB2123810B publication Critical patent/GB2123810B/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
    • C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
    • 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
    • C03B37/01217—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 for making preforms of polarisation-maintaining optical fibres
    • 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
    • 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
    • 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
    • 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
    • G02B6/105—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
GB08318117A 1982-07-14 1983-07-04 Fabrication of single polarization optical fibres Expired GB2123810B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57122630A JPS5913643A (en) 1982-07-14 1982-07-14 Manufacture of optical fiber retaining plane of polarization
JP57123372A JPS5913645A (en) 1982-07-15 1982-07-15 Manufacture of optical fiber retaining plane of polarization

Publications (3)

Publication Number Publication Date
GB8318117D0 GB8318117D0 (en) 1983-08-03
GB2123810A GB2123810A (en) 1984-02-08
GB2123810B true GB2123810B (en) 1986-12-03

Family

ID=26459723

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08318117A Expired GB2123810B (en) 1982-07-14 1983-07-04 Fabrication of single polarization optical fibres

Country Status (2)

Country Link
FR (1) FR2530234B1 (en)
GB (1) GB2123810B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360411A (en) * 1986-09-01 1988-03-16 Hitachi Cable Ltd Optical fiber for maintaining plane of polarization
CA1320634C (en) * 1988-05-27 1993-07-27 Hiroshi Kajioka Method of producing elliptic core type polarization-maintaining optical fiber
US4896942A (en) * 1989-02-03 1990-01-30 Minnesota Mining And Manufacturing Company Polarization-maintaining optical fiber
GB9004240D0 (en) * 1990-02-26 1990-04-18 Univ London Optical fibre pressure sensor
US5180410A (en) * 1990-07-30 1993-01-19 Corning Incorporated Method of making polarization retaining fiber
EP1061054A1 (en) * 1999-06-18 2000-12-20 Lucent Technologies Inc. Method of making optical fiber by a rod-in tube process and fiber made by the method
US7155097B2 (en) 2001-03-09 2006-12-26 Crystal Fibre A/S Fabrication of microstructured fibres

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184859A (en) * 1978-06-09 1980-01-22 International Telephone And Telegraph Corporation Method of fabricating an elliptical core single mode fiber
GB2033372B (en) * 1978-09-28 1983-01-19 Sumitomo Electric Industries Method of producing an optical waveguide
DE2930704A1 (en) * 1979-07-28 1981-02-12 Licentia Gmbh Glass optical waveguide fibre - which has oval cross=section used to separate two light waves polarised in orthogonal directions

Also Published As

Publication number Publication date
FR2530234B1 (en) 1986-10-17
GB8318117D0 (en) 1983-08-03
GB2123810A (en) 1984-02-08
FR2530234A1 (en) 1984-01-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980704