NL8004960A - Werkwijze voor de vervaardiging van een optische vezel met een kern met een van de cirkelvorm afwijkende doorsnede en dubbele kroes voor toepassing in deze werkwijze. - Google Patents

Werkwijze voor de vervaardiging van een optische vezel met een kern met een van de cirkelvorm afwijkende doorsnede en dubbele kroes voor toepassing in deze werkwijze. Download PDF

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Publication number
NL8004960A
NL8004960A NL8004960A NL8004960A NL8004960A NL 8004960 A NL8004960 A NL 8004960A NL 8004960 A NL8004960 A NL 8004960A NL 8004960 A NL8004960 A NL 8004960A NL 8004960 A NL8004960 A NL 8004960A
Authority
NL
Netherlands
Prior art keywords
crucible
section
glass
cross
circular
Prior art date
Application number
NL8004960A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8004960A priority Critical patent/NL8004960A/nl
Priority to US06/293,719 priority patent/US4385916A/en
Priority to CA000384692A priority patent/CA1187289A/en
Priority to JP56133436A priority patent/JPS5777040A/ja
Priority to EP81200943A priority patent/EP0047037B1/de
Priority to DE8181200943T priority patent/DE3166036D1/de
Priority to AT81200943T priority patent/ATE9318T1/de
Publication of NL8004960A publication Critical patent/NL8004960A/nl

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
    • C03B37/022—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (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)
  • Glass Melting And Manufacturing (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
NL8004960A 1980-08-30 1980-08-30 Werkwijze voor de vervaardiging van een optische vezel met een kern met een van de cirkelvorm afwijkende doorsnede en dubbele kroes voor toepassing in deze werkwijze. NL8004960A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8004960A NL8004960A (nl) 1980-08-30 1980-08-30 Werkwijze voor de vervaardiging van een optische vezel met een kern met een van de cirkelvorm afwijkende doorsnede en dubbele kroes voor toepassing in deze werkwijze.
US06/293,719 US4385916A (en) 1980-08-30 1981-08-17 Method of producing an optical fiber having a core which has a noncircular cross-section, and double crucible for use in this method
CA000384692A CA1187289A (en) 1980-08-30 1981-08-27 Method of producing an optical fibre having a core which has a non-circular cross-section and double crucible for use in this method
JP56133436A JPS5777040A (en) 1980-08-30 1981-08-27 Manufacture of optical fiber and double crucible directly used therefor
EP81200943A EP0047037B1 (de) 1980-08-30 1981-08-27 Verfahren zur Herstellung einer optischen Faser mit unrundem Durchschnitt und Doppel-Tiegel zur Ausführung dieses Verfahrens
DE8181200943T DE3166036D1 (en) 1980-08-30 1981-08-27 Method of producing an optical fibre having a core which has a non-circular cross-section and double crucible for use in this method
AT81200943T ATE9318T1 (de) 1980-08-30 1981-08-27 Verfahren zur herstellung einer optischen faser mit unrundem durchschnitt und doppel-tiegel zur ausfuehrung dieses verfahrens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8004960 1980-08-30
NL8004960A NL8004960A (nl) 1980-08-30 1980-08-30 Werkwijze voor de vervaardiging van een optische vezel met een kern met een van de cirkelvorm afwijkende doorsnede en dubbele kroes voor toepassing in deze werkwijze.

Publications (1)

Publication Number Publication Date
NL8004960A true NL8004960A (nl) 1982-04-01

Family

ID=19835808

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8004960A NL8004960A (nl) 1980-08-30 1980-08-30 Werkwijze voor de vervaardiging van een optische vezel met een kern met een van de cirkelvorm afwijkende doorsnede en dubbele kroes voor toepassing in deze werkwijze.

Country Status (7)

Country Link
US (1) US4385916A (de)
EP (1) EP0047037B1 (de)
JP (1) JPS5777040A (de)
AT (1) ATE9318T1 (de)
CA (1) CA1187289A (de)
DE (1) DE3166036D1 (de)
NL (1) NL8004960A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4622054A (en) * 1984-12-03 1986-11-11 Owens-Corning Fiberglas Corporation Method and apparatus for making non-circular mineral fibers
US4666485A (en) * 1984-12-03 1987-05-19 Owens-Corning Fiberglas Corporation Method and apparatus for making tapered mineral and organic fibers
US4620859A (en) * 1984-12-03 1986-11-04 Owens-Corning Fiberglas Corporation Method for making coalesced mineral fibers
US4636234A (en) * 1984-12-03 1987-01-13 Owens-Corning Fiberglas Corporation Method and apparatus for making non-circular mineral fibers
IT1179876B (it) * 1984-12-18 1987-09-16 Cselt Centro Studi Lab Telecom Apparecchiatura per la produzione continua di fibre ottiche
DE4212099C2 (de) * 1992-04-10 1994-07-21 Heraeus Quarzglas Verfahren und Vorrichtung zur Herstellung eines Verbundkörpers aus Glas
US5665138A (en) * 1994-12-08 1997-09-09 Emhart Glass Machinery Investments Inc. Metering spout bowl assembly
US5814122A (en) * 1995-12-12 1998-09-29 Owens-Corning Fiberglas Technology, Inc. Method of making hollow high temperature ceramic superconducting fibers
US6279352B1 (en) 1999-12-30 2001-08-28 Corning Incorporated Long hot zone furnace element and optical fiber drawing method practiced therewith
US6550279B1 (en) 2000-09-01 2003-04-22 Corning Incorporated Process for drawing optical fiber from a multiple crucible apparatus with a thermal gradient
EP1184339A3 (de) * 2000-09-01 2002-09-04 A.R.T.-Photonics GmbH Optische Faser und Herstellungsverfahren für eine optische Faser
US6588235B2 (en) * 2001-08-30 2003-07-08 Corning Incorporated Method of centering a fiber core in a multiple-crucible method
WO2017143429A1 (en) * 2016-02-26 2017-08-31 Coractive High-Tech Inc. Manufacturing of optical fibers with symmetry-breaking longitudinal protrusions
CN106186664B (zh) * 2016-07-22 2018-07-27 北京玻璃研究院 一种用于拉制硫系玻璃红外光纤的双坩埚
US20250002403A1 (en) * 2021-07-27 2025-01-02 Dstar Communications, Inc. Glass parts and infrared fiber preform manufacturing in microgravity

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1448080A (en) * 1975-04-10 1976-09-02 Standard Telephones Cables Ltd Optical fibre transducer
US4106847A (en) * 1976-09-07 1978-08-15 Bell Telephone Laboratories, Incorporated Noncircular symmetric optical fiber waveguide having minimum modal dispersion
NL193330C (nl) 1978-01-13 1999-06-02 Western Electric Co Optische golfleider en werkwijze voor het vervaardigen daarvan.
JPS55105208A (en) * 1979-02-06 1980-08-12 Nippon Telegr & Teleph Corp <Ntt> Production of multicore optical fiber
JPS55108602A (en) * 1979-02-13 1980-08-21 Nippon Telegr & Teleph Corp <Ntt> Production of optical branch coupler for communication
US4307938A (en) * 1979-06-19 1981-12-29 Andrew Corporation Dielectric waveguide with elongate cross-section

Also Published As

Publication number Publication date
ATE9318T1 (de) 1984-09-15
US4385916A (en) 1983-05-31
EP0047037B1 (de) 1984-09-12
CA1187289A (en) 1985-05-21
EP0047037A1 (de) 1982-03-10
DE3166036D1 (en) 1984-10-18
JPS5777040A (en) 1982-05-14

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BV The patent application has lapsed