BE864398A - Procede pour la determination d'une caracteristique au moins d'une zone etiree d'une fibre optique - Google Patents

Procede pour la determination d'une caracteristique au moins d'une zone etiree d'une fibre optique

Info

Publication number
BE864398A
BE864398A BE185542A BE185542A BE864398A BE 864398 A BE864398 A BE 864398A BE 185542 A BE185542 A BE 185542A BE 185542 A BE185542 A BE 185542A BE 864398 A BE864398 A BE 864398A
Authority
BE
Belgium
Prior art keywords
characteristic
determining
optical fiber
stretched zone
stretched
Prior art date
Application number
BE185542A
Other languages
English (en)
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 BE864398A publication Critical patent/BE864398A/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/37—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected perpendicularly to the axis of the fibre or waveguide for monitoring a section thereof
    • 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
    • C03B37/0253—Controlling or regulating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/45—Monotoring or regulating the preform neck-down region with respect to position or shape

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
BE185542A 1977-03-03 1978-02-28 Procede pour la determination d'une caracteristique au moins d'une zone etiree d'une fibre optique BE864398A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/774,139 US4102661A (en) 1977-03-03 1977-03-03 Caustic ray use of the drawdown zone of an optical fiber preform to control the drawing of the fiber

Publications (1)

Publication Number Publication Date
BE864398A true BE864398A (fr) 1978-06-16

Family

ID=25100352

Family Applications (1)

Application Number Title Priority Date Filing Date
BE185542A BE864398A (fr) 1977-03-03 1978-02-28 Procede pour la determination d'une caracteristique au moins d'une zone etiree d'une fibre optique

Country Status (11)

Country Link
US (1) US4102661A (fr)
JP (1) JPS53143251A (fr)
AU (1) AU511241B2 (fr)
BE (1) BE864398A (fr)
CA (1) CA1086523A (fr)
DE (1) DE2808676C3 (fr)
FR (1) FR2382674A1 (fr)
GB (1) GB1576569A (fr)
IT (1) IT1115592B (fr)
NL (1) NL178244C (fr)
SE (1) SE437369B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205973A (en) * 1978-11-08 1980-06-03 Owens-Illinois, Inc. Method and apparatus for measuring the volume and shape of a glass gob
US4236904A (en) * 1979-06-11 1980-12-02 Bell Telephone Laboratories, Incorporated Method for monitoring optical fiber drawing
DE3625731A1 (de) * 1986-07-30 1988-02-11 Kabelmetal Electro Gmbh Verfahren zur herstellung von lichtwellenleitern
US5176731A (en) * 1987-06-10 1993-01-05 U.S. Philips Corp. Device for performing measurements on a transparent object, method of manufacturing a fiber and fiber manufactured by means of said method
US4765816A (en) * 1987-10-23 1988-08-23 Mcdonnell Douglas Corporation Method and apparatus for making optical fiber couplers
GB8819651D0 (en) * 1988-08-18 1988-09-21 British Telecomm Orientating optical fibres
US5443610A (en) * 1994-01-29 1995-08-22 Corning Incorporated Apparatus for controlling fiber diameter during drawing
DE19536960A1 (de) * 1995-10-04 1996-03-21 Heraeus Quarzglas Verfahren und Vorrichtung zum Herstellen eines Bauteils aus Glas durch Ziehen aus einem Rohling
EP0814485B1 (fr) 1996-06-21 2002-09-25 PIRELLI CAVI E SISTEMI S.p.A. Composition isolante résistante à la formation d'arborescences dues à l'eau
DE69800722T2 (de) * 1997-05-30 2001-08-02 Shinetsu Chemical Co Verfahren zum Ziehen einer Glasvorform zu einem Stab
JP2001019464A (ja) * 1999-07-05 2001-01-23 Sumitomo Electric Ind Ltd 光ファイバの線引き装置及び線引き方法
FR2809386B1 (fr) * 2000-05-25 2003-01-17 Cit Alcatel Procede de fabrication d'une fibre optique avec controle des caracteristiques de transmission
JP2002365165A (ja) * 2001-06-08 2002-12-18 Sumitomo Electric Ind Ltd 波長分散測定装置および方法
JP5017456B2 (ja) * 2009-04-09 2012-09-05 株式会社フジクラ 空孔付き光ファイバの空孔径の測定方法、ならびに空孔付き光ファイバの製造方法
US9874508B2 (en) 2013-08-19 2018-01-23 Iasotek, Llc. Spectrophotometer based on optical caustics
US20200040725A1 (en) * 2016-10-17 2020-02-06 Nordic Minesteel Technologies Inc. Rapid development mobile canopy for underground mining
JP6958157B2 (ja) 2017-09-15 2021-11-02 富士フイルムビジネスイノベーション株式会社 画像形成指示装置及び画像形成指示プログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183295A (en) * 1962-06-11 1965-05-11 Acf Ind Inc Light pipe
FR1590632A (fr) * 1968-06-21 1970-04-20
US3879128A (en) * 1973-08-15 1975-04-22 Bell Telephone Labor Inc Method and apparatus for measuring the refractive index and diameter of optical fibers
DE2434380A1 (de) * 1974-07-17 1976-01-29 Siemens Ag Verfahren zum ziehen von lichtleitfasern
US4124728A (en) * 1977-01-31 1978-11-07 Bell Telephone Laboratories, Incorporated Method for monitoring the concentricity of plastic coatings on optical fibers

Also Published As

Publication number Publication date
US4102661A (en) 1978-07-25
DE2808676B2 (de) 1981-04-16
JPS618022B2 (fr) 1986-03-11
IT7820805A0 (it) 1978-03-01
NL7802262A (nl) 1978-09-05
NL178244B (nl) 1985-09-16
IT1115592B (it) 1986-02-03
SE437369B (sv) 1985-02-25
JPS53143251A (en) 1978-12-13
AU3366778A (en) 1979-09-06
SE7801939L (sv) 1978-09-04
FR2382674B1 (fr) 1982-02-05
DE2808676C3 (de) 1982-04-15
AU511241B2 (en) 1980-08-07
GB1576569A (en) 1980-10-08
FR2382674A1 (fr) 1978-09-29
NL178244C (nl) 1986-02-17
CA1086523A (fr) 1980-09-30
DE2808676A1 (de) 1978-09-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19930228