NL7702850A - Vervaardiging van optische vezels met een verbeterde cirkelvormigheid van de dwars- doorsnede. - Google Patents

Vervaardiging van optische vezels met een verbeterde cirkelvormigheid van de dwars- doorsnede.

Info

Publication number
NL7702850A
NL7702850A NL7702850A NL7702850A NL7702850A NL 7702850 A NL7702850 A NL 7702850A NL 7702850 A NL7702850 A NL 7702850A NL 7702850 A NL7702850 A NL 7702850A NL 7702850 A NL7702850 A NL 7702850A
Authority
NL
Netherlands
Prior art keywords
manufacture
cross
section
optical fibers
circular shape
Prior art date
Application number
NL7702850A
Other languages
English (en)
Dutch (nl)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of NL7702850A publication Critical patent/NL7702850A/xx

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
    • 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
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/053—Re-forming tubes or rods by centrifuging
    • 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
    • C03B23/07—Re-forming tubes or rods by blowing, e.g. for making electric bulbs
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
NL7702850A 1976-03-22 1977-03-16 Vervaardiging van optische vezels met een verbeterde cirkelvormigheid van de dwars- doorsnede. NL7702850A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66916476A 1976-03-22 1976-03-22

Publications (1)

Publication Number Publication Date
NL7702850A true NL7702850A (nl) 1977-09-26

Family

ID=24685325

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7702850A NL7702850A (nl) 1976-03-22 1977-03-16 Vervaardiging van optische vezels met een verbeterde cirkelvormigheid van de dwars- doorsnede.

Country Status (8)

Country Link
US (1) US4154591A (fr)
JP (1) JPS52115238A (fr)
BE (1) BE852519A (fr)
CA (1) CA1090134A (fr)
DE (1) DE2711295A1 (fr)
FR (1) FR2345402A1 (fr)
IT (1) IT1078016B (fr)
NL (1) NL7702850A (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243398A (en) * 1978-02-09 1981-01-06 Nippon Electric Co., Ltd. Method of producing dielectric diffraction gratings or dielectric multilayer interference filters
US4229197A (en) * 1978-06-12 1980-10-21 International Telephone And Telegraph Corporation Method for making multiple optical core fiber
DE2907731A1 (de) * 1979-02-28 1980-09-04 Siemens Ag Verfahren zur herstellung eines glasfaser-lichtwellenleiters
DE2907833A1 (de) * 1979-02-28 1980-09-11 Siemens Ag Verfahren zur herstellung von beschichteten glaskoerpern
US4191545A (en) * 1979-03-02 1980-03-04 Bell Telephone Laboratories, Incorporated Optical fiber fabrication process
DE2930704A1 (de) * 1979-07-28 1981-02-12 Licentia Gmbh Verfahren zur herstellung einer lichtleitfaser
US4426129A (en) 1980-01-11 1984-01-17 Hitachi, Ltd. Optical fiber and method of producing the same
US4278459A (en) * 1980-03-03 1981-07-14 Western Electric Company, Inc. Method and apparatus for exhausting optical fiber preform tubes
US4298364A (en) * 1980-03-17 1981-11-03 Corning Glass Works Method of making optical fibers having improved core roundness
US4280829A (en) * 1980-05-12 1981-07-28 Corning Glass Works Apparatus for controlling internal pressure of a bait tube
US4304581A (en) * 1980-08-07 1981-12-08 Western Electric Co., Inc. Lightguide preform fabrication
DE3133013A1 (de) * 1980-08-26 1982-04-08 Western Electric Co., Inc., 10038 New York, N.Y. "verfahren zum herstellen eines lichtleiterfaserrohlings"
US4477273A (en) * 1982-06-15 1984-10-16 At&T Technologies, Inc. Method of and apparatus for straightening and configuring a preform tube from which lightguide fiber is drawn
US4596589A (en) * 1984-02-09 1986-06-24 Perry Gregory A Method for producing a single mode fiber preform
DE3447082A1 (de) * 1984-05-26 1985-12-19 AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern
US4597785A (en) * 1984-08-01 1986-07-01 Itt Corporation Method of and apparatus for making optical preforms with a predetermined cladding/core ratio
US4601740A (en) * 1984-12-18 1986-07-22 At&T Technologies, Inc. Methods of and apparatus for at least partially closing an end portion of an optical preform tube
US4820322A (en) * 1986-04-28 1989-04-11 American Telephone And Telegraph Company At&T Bell Laboratories Method of and apparatus for overcladding a glass rod
US4776865A (en) * 1986-12-16 1988-10-11 Corning Glass Works Method of forming a fiber-reinforced inorganic composite
DE4117817C2 (de) * 1991-05-31 1994-02-03 Heraeus Quarzglas Verfahren zur Herstellung einer stabförmigen Vorform für optische Fasern
US5522003A (en) * 1993-03-02 1996-05-28 Ward; Robert M. Glass preform with deep radial gradient layer and method of manufacturing same
US5364427A (en) * 1993-07-16 1994-11-15 At&T Bell Laboratories Manufacture of optical fiber using sol-gel
CA2301116C (fr) 1997-08-19 2006-12-05 Pirelli Cavi E Sistemi S.P.A. Procede et appareil de fabrication d'une preforme de fibre optique
KR100306381B1 (ko) * 1998-12-10 2001-11-30 윤종용 증착튜브의응축및클로징을위한광섬유모재제조장치및그방법
JP4718017B2 (ja) * 1999-04-26 2011-07-06 コーニング インコーポレイテッド 光ファイバ、ならびに低偏光モード分散および低減衰損失の光ファイバの製造方法
ATE517066T1 (de) * 2001-05-30 2011-08-15 Prysmian Spa Verfahren zum herstellen von optischen fasern aus glas und glasvorformen für optische fasern
WO2002098808A1 (fr) * 2001-05-31 2002-12-12 Corning Incorporated Procede de fabrication de fibre optique a faible dispersion de polarisation de mode (pmd)
WO2002098806A1 (fr) * 2001-05-31 2002-12-12 Corning Incorporated Procede de fabrication d'une fibre optique a partir d'une preforme et fibre optique fabriquee conformement audit procede
KR20040024598A (ko) * 2001-07-31 2004-03-20 코닝 인코포레이티드 저편광 모드 분산 광섬유의 제조방법
NL1019076C2 (nl) * 2001-10-01 2003-04-02 Draka Fibre Technology Bv Werkwijze voor het aanbrengen van een of meer glaslagen op het uitwendig oppervlak van een uit glas samengesteld staafvormig vormdeel, alsmede een daarvoor geschikte inrichting.
JP3861663B2 (ja) * 2001-11-12 2006-12-20 住友電気工業株式会社 光ファイバ母材の製造方法
AU2002367308A1 (en) * 2001-12-21 2003-07-24 Fibercore, Inc. Method for offline collapsing a preform
NL1019675C2 (nl) * 2001-12-28 2003-07-01 Draka Fibre Technology Bv Werkwijze voor het onder verwarmen contraheren van een holle substraatbuis tot een staafvormige voorvorm.
WO2004041737A1 (fr) * 2002-11-07 2004-05-21 Ls Cable Ltd. Procede de fabrication d'une preforme de fibre optique par mcvd
DE102004050515B4 (de) * 2004-10-15 2007-08-02 Heraeus Tenevo Gmbh Verfahren zur Herstellung von Rohren aus Quarzglas
CN102219362B (zh) * 2011-05-11 2012-10-31 苏州凯西石英电子有限公司 一种大直径石英管的制作方法
JP5933390B2 (ja) * 2012-08-09 2016-06-08 株式会社フジクラ 光ファイバ母材の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737293A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming an economic optical waveguide fiber
FR2220475B1 (fr) * 1973-03-08 1977-08-12 Quartz & Silice
JPS5748762B2 (fr) * 1973-05-23 1982-10-18
US4360250A (en) * 1974-05-31 1982-11-23 National Research Development Corp. Optical waveguides
JPS5120918A (en) * 1974-08-14 1976-02-19 Hitachi Ltd Bono renzokutekiseizohoho
JPS5120917A (en) * 1974-08-14 1976-02-19 Hitachi Ltd Kan moshikuha bono seizohoho
US3961926A (en) * 1974-12-27 1976-06-08 International Telephone And Telegraph Corporation Preparation of germania cores in optical fibers

Also Published As

Publication number Publication date
FR2345402A1 (fr) 1977-10-21
IT1078016B (it) 1985-05-08
BE852519A (fr) 1977-07-18
CA1090134A (fr) 1980-11-25
JPS52115238A (en) 1977-09-27
US4154591A (en) 1979-05-15
DE2711295A1 (de) 1977-10-06

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BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed