DE69005528D1 - Kontrolle der Beschichtung eines Lichtwellenleiters. - Google Patents

Kontrolle der Beschichtung eines Lichtwellenleiters.

Info

Publication number
DE69005528D1
DE69005528D1 DE90305708T DE69005528T DE69005528D1 DE 69005528 D1 DE69005528 D1 DE 69005528D1 DE 90305708 T DE90305708 T DE 90305708T DE 69005528 T DE69005528 T DE 69005528T DE 69005528 D1 DE69005528 D1 DE 69005528D1
Authority
DE
Germany
Prior art keywords
checking
coating
optical fiber
fiber
optical
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.)
Expired - Fee Related
Application number
DE90305708T
Other languages
English (en)
Other versions
DE69005528T2 (de
Inventor
Ralph E Frazee Jr
David H Smithgall Sr
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of DE69005528D1 publication Critical patent/DE69005528D1/de
Application granted granted Critical
Publication of DE69005528T2 publication Critical patent/DE69005528T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/104—Coating to obtain optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (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)
DE90305708T 1989-06-02 1990-05-25 Kontrolle der Beschichtung eines Lichtwellenleiters. Expired - Fee Related DE69005528T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/360,970 US4973343A (en) 1989-06-02 1989-06-02 Optical fiber coating control apparatus
SG22194A SG22194G (en) 1989-06-02 1994-02-07 Optical fiber coating control

Publications (2)

Publication Number Publication Date
DE69005528D1 true DE69005528D1 (de) 1994-02-10
DE69005528T2 DE69005528T2 (de) 1994-04-28

Family

ID=26663872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90305708T Expired - Fee Related DE69005528T2 (de) 1989-06-02 1990-05-25 Kontrolle der Beschichtung eines Lichtwellenleiters.

Country Status (8)

Country Link
US (1) US4973343A (de)
EP (1) EP0400912B1 (de)
JP (1) JP2866154B2 (de)
KR (1) KR970011337B1 (de)
DE (1) DE69005528T2 (de)
DK (1) DK0400912T3 (de)
HK (1) HK105094A (de)
SG (1) SG22194G (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172421A (en) * 1991-03-27 1992-12-15 Hughes Aircraft Company Automated method of classifying optical fiber flaws
FR2679646B1 (fr) * 1991-07-08 1995-03-10 France Telecom Dispositif de mesure, sans contact, du diametre d'un objet sensiblement cylindrique, par exemple une fibre optique.
US5345399A (en) * 1992-07-06 1994-09-06 Union Camp Corporation System and method for monitoring and controlling the width of a product
US6128034A (en) * 1994-02-18 2000-10-03 Semiconductor Technologies & Instruments, Inc. High speed lead inspection system
FR2729217B1 (fr) * 1995-01-11 1997-04-04 France Telecom Dispositif de mesure dimensionnelle transversale d'une fibre optique multicoeur
US5805291A (en) * 1996-08-14 1998-09-08 Systronics, Inc. Traversing thickness measurement apparatus and related method
EP0905477A3 (de) * 1997-09-25 2000-08-09 Corning Incorporated Verfahren und Vorrichtungen zur Detektion von Kern/Mantelübergangsflächen in optischen Faserrohlingen
US6314765B1 (en) 1998-10-06 2001-11-13 Alcatel Method and apparatus for controlling the shape and position of a deformable object
US6463872B1 (en) * 2000-03-31 2002-10-15 Alcatel Laser photocuring system
US6549292B1 (en) * 2000-10-17 2003-04-15 Agr International, Inc. Method and apparatus for inspecting hollow transparent articles
KR100594061B1 (ko) 2004-03-03 2006-06-30 삼성전자주식회사 고속 인출용 광섬유 및 코팅 동심도 모니터
US20230150870A1 (en) * 2020-01-30 2023-05-18 Sumitomo Electric Industries, Ltd. Coating condition detection method, coating condition detection device, and optical fiber manufacturing method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408395A (en) * 1971-12-06 1975-10-01 British Steel Corp Continuous casting of metal
US4027977A (en) * 1975-12-17 1977-06-07 Western Electric Company, Method and apparatus for determining ratio of core radius to cladding radius in clad 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
US4210431A (en) * 1978-12-15 1980-07-01 Corning Glass Works Method for making vitreous carbon coatings on glass fibers
DE2855598A1 (de) * 1978-12-22 1980-07-03 Aeg Telefunken Kabelwerke Vorrichtung zur durchleuchtung und abbildung eines langgestreckten gebildes
US4390897A (en) * 1981-04-17 1983-06-28 Western Electric Company, Inc. Technique for automatically centering a lightguide fiber in a coating

Also Published As

Publication number Publication date
US4973343A (en) 1990-11-27
KR910000559A (ko) 1991-01-29
EP0400912A2 (de) 1990-12-05
KR970011337B1 (ko) 1997-07-09
DK0400912T3 (da) 1995-03-27
EP0400912A3 (de) 1991-02-06
SG22194G (en) 1995-03-17
DE69005528T2 (de) 1994-04-28
EP0400912B1 (de) 1993-12-29
HK105094A (en) 1994-10-07
JPH0316938A (ja) 1991-01-24
JP2866154B2 (ja) 1999-03-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee