FR2275415B1 - - Google Patents

Info

Publication number
FR2275415B1
FR2275415B1 FR7517070A FR7517070A FR2275415B1 FR 2275415 B1 FR2275415 B1 FR 2275415B1 FR 7517070 A FR7517070 A FR 7517070A FR 7517070 A FR7517070 A FR 7517070A FR 2275415 B1 FR2275415 B1 FR 2275415B1
Authority
FR
France
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
FR7517070A
Other versions
FR2275415A1 (fr
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 GB2417774A external-priority patent/GB1515304A/en
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of FR2275415A1 publication Critical patent/FR2275415A1/fr
Application granted granted Critical
Publication of FR2275415B1 publication Critical patent/FR2275415B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/049—Re-forming tubes or rods by pressing
    • C03B23/0493—Re-forming tubes or rods by pressing in a longitudinal direction, e.g. for upsetting or extrusion
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/047—Re-forming tubes or rods by 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
    • C03B37/014—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
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • C03C13/046—Multicomponent glass compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
FR7517070A 1974-05-31 1975-05-30 Guide d'ondes optiques a ame et revetement d'indices differents Granted FR2275415A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2417774A GB1515304A (en) 1974-05-31 1974-05-31 Optical waveguides
GB3481374 1974-08-07
GB5599974 1974-12-30

Publications (2)

Publication Number Publication Date
FR2275415A1 FR2275415A1 (fr) 1976-01-16
FR2275415B1 true FR2275415B1 (fr) 1982-04-23

Family

ID=27258316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517070A Granted FR2275415A1 (fr) 1974-05-31 1975-05-30 Guide d'ondes optiques a ame et revetement d'indices differents

Country Status (7)

Country Link
US (1) US4360250A (fr)
JP (1) JPS6021929B2 (fr)
CA (1) CA1263550A (fr)
DE (1) DE2524335A1 (fr)
FR (1) FR2275415A1 (fr)
IT (1) IT1036145B (fr)
NL (1) NL184415C (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339173A (en) * 1975-09-08 1982-07-13 Corning Glass Works Optical waveguide containing P2 O5 and GeO2
JPS5621777Y2 (fr) * 1976-02-04 1981-05-22
CA1090134A (fr) * 1976-03-22 1980-11-25 Western Electric Company, Incorporated Fibres optiques caracterises par une section plus reguliere
US4089586A (en) * 1976-06-23 1978-05-16 Bell Telephone Laboratories, Incorporated Single mode optical transmission line
US4111525A (en) * 1976-10-12 1978-09-05 Bell Telephone Laboratories, Incorporated Silica based optical fiber waveguide using phosphorus pentoxide and germanium dioxide
DE2746418B2 (de) * 1976-11-02 1980-05-22 Fujitsu Ltd., Kawasaki, Kanagawa (Japan) seiner Herstellung, aus ihm hergestellte optische Übertraglingsleitungen sowie Verfahren zum Herstellen einer optischen Übertragungsleitung
GB1562032A (en) * 1977-03-24 1980-03-05 Standard Telephones Cables Ltd Optical fibre manufacture
JPS53135655A (en) * 1977-04-29 1978-11-27 Int Standard Electric Corp Highly pure optical fiber with numerous open face
DE2814380C3 (de) * 1978-04-04 1982-07-08 Schott Glaswerke, 6500 Mainz Verfahren zur Herstellung optischer Glasfasern aus einem kollabierten Kieselglasrohr
JPS5565909A (en) * 1978-11-13 1980-05-17 Nippon Telegr & Teleph Corp <Ntt> Optical fiber
JPS5611408A (en) * 1979-07-09 1981-02-04 Nippon Telegr & Teleph Corp <Ntt> Optical fiber
US4298364A (en) * 1980-03-17 1981-11-03 Corning Glass Works Method of making optical fibers having improved core roundness
US4304581A (en) * 1980-08-07 1981-12-08 Western Electric Co., Inc. Lightguide preform fabrication
IT1155119B (it) * 1982-03-05 1987-01-21 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la produzione di preforme per fibre ottiche
FR2563826B1 (fr) * 1984-05-07 1991-08-30 Verre Fluore Sa Procedes de fabrication de fibres et de composants optiques en verres fluores et appareils destines a les mettre en oeuvre
FR2576693B1 (fr) * 1985-01-30 1989-02-17 Comp Generale Electricite Procede de fabrication d'un composant optique a gradient d'indice de refraction
JPS6444422U (fr) * 1987-09-10 1989-03-16
US5030217A (en) * 1988-04-14 1991-07-09 Heraeus Lasersonics, Inc. Medical laser probe and method of delivering CO2 radiation
US4911712A (en) * 1988-04-14 1990-03-27 Heraeus Lasersonics, Inc. Medical laser probe
DE3936006A1 (de) * 1989-10-28 1991-05-02 Rheydt Kabelwerk Ag Verfahren zum herstellen von vorformen fuer daempfungsarme optische fasern
NL2012868B1 (en) * 2014-05-22 2016-03-15 Draka Comteq Bv A method for manufacturing an optical preform.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856494A (en) * 1968-10-19 1974-12-24 Nippon Selfoc Co Ltd Light-conducting glass structures made by vaporization
GB1289773A (fr) * 1969-02-06 1972-09-20
US3711262A (en) * 1970-05-11 1973-01-16 Corning Glass Works Method of producing optical waveguide fibers
GB1391177A (en) * 1971-08-09 1975-04-16 Thermal Syndicate Ltd Vitreous siliceous material
GB1427327A (en) * 1972-06-08 1976-03-10 Standard Telephones Cables Ltd Glass optical fibres
US3884550A (en) * 1973-01-04 1975-05-20 Corning Glass Works Germania containing optical waveguide
CA1050833A (fr) * 1974-02-22 1979-03-20 John B. Macchesney Fabrication de fibre optique par reaction homogene en zone chaude mobile
US4339173A (en) * 1975-09-08 1982-07-13 Corning Glass Works Optical waveguide containing P2 O5 and GeO2

Also Published As

Publication number Publication date
NL184415C (nl) 1989-07-17
FR2275415A1 (fr) 1976-01-16
NL184415B (nl) 1989-02-16
US4360250A (en) 1982-11-23
JPS513650A (fr) 1976-01-13
DE2524335C2 (fr) 1991-01-31
IT1036145B (it) 1979-10-30
DE2524335A1 (de) 1975-12-11
JPS6021929B2 (ja) 1985-05-30
CA1263550A (fr) 1989-12-05
NL7506481A (nl) 1975-12-02

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Legal Events

Date Code Title Description
ST Notification of lapse