BE863438A - Procede pour surveiller la concentricite de revetements de fibres optiques - Google Patents

Procede pour surveiller la concentricite de revetements de fibres optiques

Info

Publication number
BE863438A
BE863438A BE184723A BE184723A BE863438A BE 863438 A BE863438 A BE 863438A BE 184723 A BE184723 A BE 184723A BE 184723 A BE184723 A BE 184723A BE 863438 A BE863438 A BE 863438A
Authority
BE
Belgium
Prior art keywords
concentricity
monitoring
optical fiber
fiber coatings
coatings
Prior art date
Application number
BE184723A
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 BE863438A publication Critical patent/BE863438A/fr

Links

Classifications

    • 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
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • 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
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/10—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving
    • G01B11/105—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Light Guides In General And Applications Therefor (AREA)
BE184723A 1977-01-31 1978-01-30 Procede pour surveiller la concentricite de revetements de fibres optiques BE863438A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/764,387 US4124728A (en) 1977-01-31 1977-01-31 Method for monitoring the concentricity of plastic coatings on optical fibers

Publications (1)

Publication Number Publication Date
BE863438A true BE863438A (fr) 1978-05-16

Family

ID=25070585

Family Applications (1)

Application Number Title Priority Date Filing Date
BE184723A BE863438A (fr) 1977-01-31 1978-01-30 Procede pour surveiller la concentricite de revetements de fibres optiques

Country Status (9)

Country Link
US (1) US4124728A (fr)
JP (1) JPS5396864A (fr)
BE (1) BE863438A (fr)
CA (1) CA1071858A (fr)
DE (1) DE2803535A1 (fr)
FR (1) FR2379064A1 (fr)
GB (1) GB1595841A (fr)
IT (1) IT1092027B (fr)
NL (1) NL7800922A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU640879B2 (en) * 1991-11-15 1993-09-02 Telecom Italia S.P.A. Method of and apparatus for measuring the geometric characteristics of nominally cylindrical guiding structures

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102661A (en) * 1977-03-03 1978-07-25 Bell Telephone Laboratories, Incorporated Caustic ray use of the drawdown zone of an optical fiber preform to control the drawing of the fiber
JPS5667704A (en) * 1979-11-08 1981-06-08 Kobe Steel Ltd Automatic nondestructive measuring method for eccentricity of coated welding rod
FR2469727A1 (fr) * 1979-11-16 1981-05-22 Thomson Csf Procede de centrage automatique d'une fibre optique dans un revetement de protection primaire, et dispositif utilise pour la mise en oeuvre de ce procede
JPS57135740A (en) * 1981-02-09 1982-08-21 Showa Electric Wire & Cable Co Ltd Resin coating apparatus of optical fiber
US4363827A (en) * 1981-02-23 1982-12-14 Bell Telephone Laboratories, Incorporated Manufacture of concentric coatings for fiber waveguides
US4390897A (en) * 1981-04-17 1983-06-28 Western Electric Company, Inc. Technique for automatically centering a lightguide fiber in a coating
US4410344A (en) * 1981-09-28 1983-10-18 Western Electric Company, Inc. Optical waveguide fiber draw guiding and coating method and apparatus
HU187230B (en) * 1983-04-18 1985-11-28 Budapesti Mueszaki Egyetem Method for measuring diameter of a fibre glass by means of the resonant back scattering method and measuring arrangement for implementing this method
HU186688B (en) * 1983-04-18 1985-09-30 Budapesti Mueszaki Egyetem Method for measuring the diameter and/or diameter variation of glass fiber on the basis of resonance of fabry-perot and device for carrying out the metod
FR2572805A1 (fr) * 1984-11-06 1986-05-09 Thomson Csf Procede de mesure du centrage d'un barreau cylindrique dans un revetement transparent cylindrique et dispositif de mise en oeuvre
FR2584180A2 (fr) * 1985-06-28 1987-01-02 Thomson Csf Dispositif de mesure du centrage d'un barreau cylindrique dans un revetement transparent cylindrique
FR2651312B1 (fr) * 1989-08-25 1992-01-17 France Etat Procede et dispositif de caracterisation geometrique de tubes transparents.
JPH03258299A (ja) * 1990-03-09 1991-11-18 Hitachi Ltd 衣類乾燥機
FR2743142B1 (fr) * 1995-12-28 1998-01-23 Alcatel Fibres Optiques Dispositif de controle du revetement d'un produit filaire en mouvement a encombrement reduit
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
DE19806288A1 (de) * 1998-02-16 1999-08-26 Fraunhofer Ges Forschung Laserscanner-Meßsystem
US7068359B2 (en) * 2002-04-08 2006-06-27 Zumbach Electronic Ag Contactless system for measuring centricity and diameter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659950A (en) * 1969-07-14 1972-05-02 Iris Corp Laser apparatus for detecting the size and form of filamentary material by measuring diffracted light
US3709610A (en) * 1970-05-20 1973-01-09 Holobeam Method and apparatus for measuring and controlling the thickness of a filament or the like
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
US4042723A (en) * 1976-05-12 1977-08-16 Bell Telephone Laboratories, Incorporated Method for monitoring the properties of plastic coatings on optical fibers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU640879B2 (en) * 1991-11-15 1993-09-02 Telecom Italia S.P.A. Method of and apparatus for measuring the geometric characteristics of nominally cylindrical guiding structures

Also Published As

Publication number Publication date
JPS5711405B2 (fr) 1982-03-04
FR2379064B1 (fr) 1984-03-16
JPS5396864A (en) 1978-08-24
NL7800922A (nl) 1978-08-02
US4124728A (en) 1978-11-07
GB1595841A (en) 1981-08-19
IT7819751A0 (it) 1978-01-27
DE2803535A1 (de) 1978-08-03
FR2379064A1 (fr) 1978-08-25
IT1092027B (it) 1985-07-06
CA1071858A (fr) 1980-02-19

Similar Documents

Publication Publication Date Title
BE863438A (fr) Procede pour surveiller la concentricite de revetements de fibres optiques
FR2331804A1 (fr) Connecteur de fibres optiques et procede pour sa fabrication
FR2324016A1 (fr) Connecteur de precision pour fibres optiques
FR2445301B1 (fr) Procede de preparation d'ebauches pour l'etirage de fibres optiques
FR2475241B1 (fr) Connecteur pour fibres optiques
BE895408A (fr) Procede lithographique pour la fabrication de fibres optiques et fibres correspondantes
FR2351384A1 (fr) Procede de surveillance des proprietes d'un revetement, notamment de fibres optiques
FR2466031B1 (fr) Connecteur pour fibres optiques
IT1115592B (it) Procedimento per la produzione di fibre ottiche
FR2314151A1 (fr) Procede de production de fibres optiques
FR2463827B1 (fr) Appareil pour la production de fibres de graphite
RO84496A (fr) PROCEDE PîUR LA PRODUCTION DES LITS EN FIBRES DE VERRE
BE873309A (fr) Procede pour la realisation de fibres optiques pour les telecommunications
BE860746A (fr) Procede perfectionne pour revetir des fibres de verre
IT1157395B (it) Composizione vetrosa per la produzione di fibre
FR2312791A1 (fr) Joint de fibres optiques et procede pour le realiser
FR2417478B1 (fr) Procede de fabrication de fibres de verre
FR2328667A1 (fr) Procede de connexion de fibres optiques
BE872270A (fr) Procede et appareil pour la production en continu de fibres optiques
FR2345541A1 (fr) Procede pour la filature de fibres en un faisceau de fibres
FR2494857B1 (fr) Commutateur pour fibres optiques
FR2468924B1 (fr) Connecteurs pour fibres optiques et procede de realisation de ces connecteurs
FR2510545B1 (fr) Procede de preparation d'une fibre optique multiple
IT1093687B (it) Procedimento ed apparecchio per la produzione di fibre di rinforzo mtalliche
FR2453115B1 (fr) Procede pour la production de fibres optiques

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19850130