FR2364865A1 - Procede de fabrication d'une fibre optique - Google Patents

Procede de fabrication d'une fibre optique

Info

Publication number
FR2364865A1
FR2364865A1 FR7728261A FR7728261A FR2364865A1 FR 2364865 A1 FR2364865 A1 FR 2364865A1 FR 7728261 A FR7728261 A FR 7728261A FR 7728261 A FR7728261 A FR 7728261A FR 2364865 A1 FR2364865 A1 FR 2364865A1
Authority
FR
France
Prior art keywords
tube
pref
glass
refractive index
heated
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
FR7728261A
Other languages
English (en)
French (fr)
Other versions
FR2364865B1 (nl
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 Ltd
Original Assignee
Hitachi 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 JP11186476A external-priority patent/JPS5337440A/ja
Priority claimed from JP1427077A external-priority patent/JPS53100253A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2364865A1 publication Critical patent/FR2364865A1/fr
Application granted granted Critical
Publication of FR2364865B1 publication Critical patent/FR2364865B1/fr
Granted legal-status Critical Current

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
    • G02B6/03616—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 - +
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • 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
    • C03B2203/26—Parabolic or graded index [GRIN] core profile
    • 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
    • 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
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (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)
FR7728261A 1976-09-20 1977-09-20 Procede de fabrication d'une fibre optique Granted FR2364865A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11186476A JPS5337440A (en) 1976-09-20 1976-09-20 Production of optical fibers
JP1427077A JPS53100253A (en) 1977-02-14 1977-02-14 Production of optical fibers

Publications (2)

Publication Number Publication Date
FR2364865A1 true FR2364865A1 (fr) 1978-04-14
FR2364865B1 FR2364865B1 (nl) 1983-01-14

Family

ID=26350184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7728261A Granted FR2364865A1 (fr) 1976-09-20 1977-09-20 Procede de fabrication d'une fibre optique

Country Status (3)

Country Link
DE (1) DE2741854B2 (nl)
FR (1) FR2364865A1 (nl)
NL (1) NL7710280A (nl)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2384722A1 (fr) * 1977-03-24 1978-10-20 Int Standard Electric Corp Perfectionnements apportes a la fabrication de preformes de fibres optiques
FR2432487A1 (fr) * 1978-07-31 1980-02-29 Corning Glass Works Filament optique a gradient d'indice a grande largeur de bande et procede pour sa fabrication
FR2432488A1 (fr) * 1978-07-31 1980-02-29 Corning Glass Works Filament optique a gradient d'indice a grande largeur de bande et procede pour sa fabrication
FR2450240A1 (fr) * 1979-02-28 1980-09-26 Siemens Ag Procede pour fabriquer des corps en verre enrobes
FR2488412A1 (fr) * 1980-08-07 1982-02-12 Western Electric Co Procede de fabrication d'une preforme de guide de lumiere
FR2576693A1 (fr) * 1985-01-30 1986-08-01 Comp Generale Electricite Procede de fabrication d'un composant optique a gradient d'indice de refraction

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814380C3 (de) * 1978-04-04 1982-07-08 Schott Glaswerke, 6500 Mainz Verfahren zur Herstellung optischer Glasfasern aus einem kollabierten Kieselglasrohr
DE3206144A1 (de) * 1982-02-20 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung eines lichtwellenleiters

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51146243A (en) * 1975-06-11 1976-12-15 Hitachi Ltd Process for manufacturing optical fiber
DE2530786A1 (de) * 1975-07-10 1977-01-27 Licentia Gmbh Verfahren zur herstellung optischer fasern

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2384722A1 (fr) * 1977-03-24 1978-10-20 Int Standard Electric Corp Perfectionnements apportes a la fabrication de preformes de fibres optiques
FR2432487A1 (fr) * 1978-07-31 1980-02-29 Corning Glass Works Filament optique a gradient d'indice a grande largeur de bande et procede pour sa fabrication
FR2432488A1 (fr) * 1978-07-31 1980-02-29 Corning Glass Works Filament optique a gradient d'indice a grande largeur de bande et procede pour sa fabrication
FR2450240A1 (fr) * 1979-02-28 1980-09-26 Siemens Ag Procede pour fabriquer des corps en verre enrobes
FR2488412A1 (fr) * 1980-08-07 1982-02-12 Western Electric Co Procede de fabrication d'une preforme de guide de lumiere
FR2576693A1 (fr) * 1985-01-30 1986-08-01 Comp Generale Electricite Procede de fabrication d'un composant optique a gradient d'indice de refraction

Also Published As

Publication number Publication date
FR2364865B1 (nl) 1983-01-14
DE2741854A1 (de) 1978-03-23
DE2741854B2 (de) 1981-03-19
NL7710280A (nl) 1978-03-22

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Legal Events

Date Code Title Description
ST Notification of lapse