IT1032678B - LIGHT CONDUCTING FILAMENT WITH IMPROVED MECHANICAL RESISTANCE AND PROCEDURE FOR ITS MANUFACTURING - Google Patents

LIGHT CONDUCTING FILAMENT WITH IMPROVED MECHANICAL RESISTANCE AND PROCEDURE FOR ITS MANUFACTURING

Info

Publication number
IT1032678B
IT1032678B IT67963/75A IT6796375A IT1032678B IT 1032678 B IT1032678 B IT 1032678B IT 67963/75 A IT67963/75 A IT 67963/75A IT 6796375 A IT6796375 A IT 6796375A IT 1032678 B IT1032678 B IT 1032678B
Authority
IT
Italy
Prior art keywords
procedure
manufacturing
mechanical resistance
improved mechanical
light conducting
Prior art date
Application number
IT67963/75A
Other languages
Italian (it)
Original Assignee
Jenaer Glaswerk Schott & Gen
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 Jenaer Glaswerk Schott & Gen filed Critical Jenaer Glaswerk Schott & Gen
Application granted granted Critical
Publication of IT1032678B publication Critical patent/IT1032678B/en

Links

Classifications

    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03694—Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties
    • 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
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
IT67963/75A 1974-04-24 1975-04-16 LIGHT CONDUCTING FILAMENT WITH IMPROVED MECHANICAL RESISTANCE AND PROCEDURE FOR ITS MANUFACTURING IT1032678B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2419786A DE2419786B2 (en) 1974-04-24 1974-04-24 Light guide

Publications (1)

Publication Number Publication Date
IT1032678B true IT1032678B (en) 1979-06-20

Family

ID=5913801

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67963/75A IT1032678B (en) 1974-04-24 1975-04-16 LIGHT CONDUCTING FILAMENT WITH IMPROVED MECHANICAL RESISTANCE AND PROCEDURE FOR ITS MANUFACTURING

Country Status (10)

Country Link
JP (1) JPS50149357A (en)
BE (1) BE828200A (en)
CA (1) CA1051239A (en)
CH (1) CH583911A5 (en)
DE (1) DE2419786B2 (en)
FR (1) FR2269088B3 (en)
GB (1) GB1503793A (en)
IT (1) IT1032678B (en)
NL (1) NL7504415A (en)
SE (1) SE406816B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK138437B (en) * 1976-11-09 1978-09-04 Nordiske Kabel Traad Light conducting element for use in installation in optical transmission means.
GB1602052A (en) * 1977-06-20 1981-11-04 Int Standard Electric Corp Optical fibre manufacture
JPS54107347U (en) * 1978-01-13 1979-07-28
NL193330C (en) * 1978-01-13 1999-06-02 Western Electric Co Optical waveguide and method for its manufacture.
US4249925A (en) * 1978-05-12 1981-02-10 Fujitsu Limited Method of manufacturing an optical fiber
DE2939659A1 (en) * 1978-10-06 1980-04-24 Int Standard Electric Corp Multilayer glass optical waveguide fibres - where outer sheath with low coefft. of thermal expansion provides fibres with high tensile strength
JPS5565909A (en) * 1978-11-13 1980-05-17 Nippon Telegr & Teleph Corp <Ntt> Optical fiber
DE2907650C3 (en) * 1979-02-27 1981-08-13 Heraeus Quarzschmelze Gmbh, 6450 Hanau Multimode light guide
JPS57139707A (en) * 1981-02-25 1982-08-28 Aloka Co Ltd Optical cable
SE443454B (en) * 1983-12-23 1986-02-24 Radians Innova Ab OPTICAL FIBER FOR TRANSFER OF HIGH OPTICAL POWER
GB2180059A (en) * 1985-09-05 1987-03-18 Stc Plc Plasma spectroscopy
DE3700565A1 (en) * 1987-01-10 1988-07-28 Licentia Gmbh Optical waveguide
DE4028275A1 (en) * 1990-09-06 1992-03-12 Kabelmetal Electro Gmbh METHOD FOR THE PRODUCTION OF FIBERGLASS FIBER OPTICS WITH INCREASED STRENGTH
US7963125B2 (en) * 2008-03-05 2011-06-21 The Boeing Company Glass fibers having improved strength
CN111694090B (en) * 2020-07-17 2022-03-22 中国建筑材料科学研究总院有限公司 Optical fiber leather pipe and preparation method and application thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826560A (en) * 1972-03-30 1974-07-30 Corning Glass Works Method of forming a light focusing fiber waveguide
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
JPS50110341A (en) * 1974-02-07 1975-08-30

Also Published As

Publication number Publication date
DE2419786B2 (en) 1979-09-06
FR2269088B3 (en) 1978-11-10
BE828200A (en) 1975-08-18
GB1503793A (en) 1978-03-15
CH583911A5 (en) 1977-01-14
FR2269088A1 (en) 1975-11-21
NL7504415A (en) 1975-10-28
DE2419786A1 (en) 1975-11-06
SE7504763L (en) 1975-10-27
JPS50149357A (en) 1975-11-29
AU8010775A (en) 1976-10-21
CA1051239A (en) 1979-03-27
SE406816B (en) 1979-02-26

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