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GB8609769D0 - Optical fibre devices - Google Patents

Optical fibre devices

Info

Publication number
GB8609769D0
GB8609769D0 GB868609769A GB8609769A GB8609769D0 GB 8609769 D0 GB8609769 D0 GB 8609769D0 GB 868609769 A GB868609769 A GB 868609769A GB 8609769 A GB8609769 A GB 8609769A GB 8609769 D0 GB8609769 D0 GB 8609769D0
Authority
GB
United Kingdom
Prior art keywords
optical fibre
fibre devices
devices
optical
fibre
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.)
Granted
Application number
GB868609769A
Other versions
GB2189900A (en
GB2189900B (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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8609769A priority Critical patent/GB2189900B/en
Publication of GB8609769D0 publication Critical patent/GB8609769D0/en
Publication of GB2189900A publication Critical patent/GB2189900A/en
Application granted granted Critical
Publication of GB2189900B publication Critical patent/GB2189900B/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
    • C03B37/02—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
    • C03B37/02709—Polarisation maintaining fibres, e.g. PM, PANDA, bi-refringent 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
    • C03B37/01211—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
    • C03B37/02—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
    • 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
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/32—Eccentric core or cladding
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
GB8609769A 1986-04-22 1986-04-22 Optical fibre devices Expired GB2189900B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8609769A GB2189900B (en) 1986-04-22 1986-04-22 Optical fibre devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8609769A GB2189900B (en) 1986-04-22 1986-04-22 Optical fibre devices

Publications (3)

Publication Number Publication Date
GB8609769D0 true GB8609769D0 (en) 1986-05-29
GB2189900A GB2189900A (en) 1987-11-04
GB2189900B GB2189900B (en) 1989-11-29

Family

ID=10596601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8609769A Expired GB2189900B (en) 1986-04-22 1986-04-22 Optical fibre devices

Country Status (1)

Country Link
GB (1) GB2189900B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929050A (en) * 1988-10-31 1990-05-29 Unisys Corporation Traveling wave fiber optic interferometric sensor and method of polarization poling fiber optic
FR2650446B2 (en) * 1988-12-09 1994-08-19 Cit Alcatel OPTICAL HEAD WITH INTEGRATED ISOLATOR FOR COUPLING A SEMICONDUCTOR LASER TO A FIBER
FR2640437B1 (en) * 1988-12-09 1994-06-24 Cit Alcatel OPTICAL HEAD WITH INTEGRATED ISOLATOR FOR COUPLING A SEMICONDUCTOR LASER TO A FIBER
AT397442B (en) * 1989-02-21 1994-04-25 Zehetner Johann Processing method for optical waveguides designed with a capillary channel, and an optical component equipped with such an optical waveguide
US5260823A (en) * 1990-05-21 1993-11-09 University Of Southampton Erbium-doped fibre amplifier with shaped spectral gain
CH684290A5 (en) * 1991-02-15 1994-08-15 Suisse Electronique Microtech Methods of producing at least a diffraction grating on an optical fiber, obtained transducer device.
FR2683052B1 (en) * 1991-10-29 1994-12-09 Thomson Csf OPTICAL FIBER POLARIZER, ITS MANUFACTURING METHOD AND APPLICATION TO A SENSOR.
US5307436A (en) * 1993-04-20 1994-04-26 Corning Incorporated Partially detached core optical waveguide
SE502778C2 (en) * 1993-10-14 1996-01-08 Ericsson Telefon Ab L M Optical fiber for use as a sensor and method for producing an optical fiber for use as a sensor
US6151438A (en) * 1998-09-24 2000-11-21 Lucent Technologies Inc. Fiber device having variable refractive index region proximal the core
US6111999A (en) * 1998-09-24 2000-08-29 Lucent Technologies Inc. Fiber device having variable refractive index region proximal the core
EP1421419B1 (en) * 2001-07-12 2007-09-12 OCG Technology Licensing, LLC Optical fiber
US20050034484A1 (en) * 2001-07-20 2005-02-17 Large Maryanne Candida Jane Preparing preforms for fibre fabrication
CN100519457C (en) * 2006-05-19 2009-07-29 河海大学 Method for preparing side evanscent wave transmission optical fiber
CN101806934B (en) * 2010-03-29 2012-08-22 哈尔滨工程大学 Inner wall fused and embedded single-mode polarization maintaining fiber grating and preparation method thereof
CN101806935B (en) * 2010-04-09 2012-05-09 哈尔滨工程大学 Inner wall fused and embedded single-mode polarization maintaining fiber on-line polarizer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2057160B (en) * 1977-09-30 1982-09-02 Siemens Ag Processes for producing light-conducting glass fibres
US4589728A (en) * 1983-08-26 1986-05-20 Andrew Corporation Optical fiber polarizer

Also Published As

Publication number Publication date
GB2189900A (en) 1987-11-04
GB2189900B (en) 1989-11-29

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee