AU2001274788A1 - Determining optical fiber types - Google Patents

Determining optical fiber types

Info

Publication number
AU2001274788A1
AU2001274788A1 AU2001274788A AU7478801A AU2001274788A1 AU 2001274788 A1 AU2001274788 A1 AU 2001274788A1 AU 2001274788 A AU2001274788 A AU 2001274788A AU 7478801 A AU7478801 A AU 7478801A AU 2001274788 A1 AU2001274788 A1 AU 2001274788A1
Authority
AU
Australia
Prior art keywords
fiber
type
optical fiber
cold
light intensity
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.)
Abandoned
Application number
AU2001274788A
Inventor
Sasan Esmaeili
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2001274788A1 publication Critical patent/AU2001274788A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/66—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence
    • G01N21/67—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges
    • 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
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4221—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera

Landscapes

  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Integrated Circuits (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

To determine the type of unknown optical fiber, an automatic fiber fusion-type splicer is used having movable clamps, electrodes, camera devices and background illumination, coupled to electronic circuits containing control, driver, and interface circuits. A fiber portion is imaged to allow the fiber core to be distinguished in the captured image, both when the fiber is cold and when it is heated. From a first fiber picture in a heated state, a first light intensity profile is determined along a line perpendicular to the fiber. The profile derivative is compared to derivatives of known light intensity profiles. Similar procedures are performed for the cold fiber. Based on the comparing operations, the type of the tested fiber is determined.
AU2001274788A 2000-06-20 2001-06-20 Determining optical fiber types Abandoned AU2001274788A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0002310A SE523329C2 (en) 2000-06-20 2000-06-20 Determination of optical fiber type
SE0002310 2000-06-20
PCT/SE2001/001427 WO2001098799A2 (en) 2000-06-20 2001-06-20 Determining optical fiber types

Publications (1)

Publication Number Publication Date
AU2001274788A1 true AU2001274788A1 (en) 2002-01-02

Family

ID=20280167

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001274788A Abandoned AU2001274788A1 (en) 2000-06-20 2001-06-20 Determining optical fiber types

Country Status (9)

Country Link
US (1) US6816244B2 (en)
EP (1) EP1301771B1 (en)
JP (1) JP4856840B2 (en)
AT (1) ATE453130T1 (en)
AU (1) AU2001274788A1 (en)
DE (1) DE60140872D1 (en)
SE (1) SE523329C2 (en)
TW (1) TW463062B (en)
WO (1) WO2001098799A2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE525441C2 (en) * 2002-12-04 2005-02-22 Ericsson Telefon Ab L M Determination of counterfield diameter and splicing loss for optical fibers
DE102004054805A1 (en) * 2004-11-12 2006-05-24 CCS Technology, Inc., Wilmington Method for determining the eccentricity of a core of an optical waveguide, and method and device for connecting optical waveguides
KR100624256B1 (en) * 2005-01-13 2006-09-19 엘에스전선 주식회사 Outer and Inner Diameter Measuring Apparatus and Method for Transparent Tube
DE102005020622A1 (en) * 2005-05-03 2006-11-16 CCS Technology, Inc., Wilmington Method and device for determining the position of a fiber core in an optical fiber
SE530730C2 (en) * 2005-12-30 2008-08-26 Ericsson Telefon Ab L M Alignment of optical fibers in their jointing
SE530854C2 (en) * 2005-12-30 2008-09-30 Ericsson Telefon Ab L M Alignment of optical fibers in their jointing
DE102006031078A1 (en) * 2006-07-05 2008-01-10 CCS Technology, Inc., Wilmington Method for operating a device for splicing optical waveguides
US20080073485A1 (en) * 2006-09-25 2008-03-27 Robert Jahn Visual inspection of optical elements
US8998511B2 (en) * 2008-07-08 2015-04-07 Telefonaktiebolaget L M Ericsson (Publ) Cladding alignment for fusion splicing optical fibers
EP2148228A1 (en) * 2008-07-22 2010-01-27 CCS Technology, Inc. Method for operating an apparatus for connecting optical waveguides and apparatus
WO2010039951A1 (en) * 2008-10-01 2010-04-08 Afl Telecommunications Llc Method of aligning polarization-maintaining optical fiber by image profile analysis
US8797518B2 (en) * 2010-10-07 2014-08-05 At&T Intellectual Property I, L.P. Identifiable visible light sources for fiber optic cables
KR101181895B1 (en) 2011-04-26 2012-09-11 주식회사 옵텔콤 Fusion Splicer and Fusion Splicing Method for Optical Fibers
US8909039B2 (en) * 2013-03-07 2014-12-09 International Business Machines Corporation Optical cable testing and management
US20240302592A1 (en) 2021-03-31 2024-09-12 Sumitomo Electric Optifrontier Co., Ltd. Fusion splicing device and core position specification method

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS62208008A (en) * 1986-03-10 1987-09-12 Nippon Telegr & Teleph Corp <Ntt> Deciding method for optical fusion splicing condition
EP0256539A3 (en) * 1986-08-15 1989-06-14 Sumitomo Electric Industries Limited Method and apparatus of measuring outer diameter and structure of optical fiber
JP2504763B2 (en) * 1987-02-12 1996-06-05 日本電信電話株式会社 Optical fiber core detection method
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
US5365329A (en) * 1988-11-15 1994-11-15 York Technology Limited Apparatus and method for measuring refractive index
SE502563C2 (en) * 1994-03-08 1995-11-13 Ericsson Telefon Ab L M Method and Apparatus for Splicing Optical Fibers
JP3287700B2 (en) * 1994-07-05 2002-06-04 古河電気工業株式会社 Optical fiber fusion splicer
SE505771C2 (en) * 1994-10-24 1997-10-06 Ericsson Telefon Ab L M Method and apparatus for determining the distance between cores in an optical fiber and using the method and apparatus respectively
JPH095207A (en) * 1995-06-21 1997-01-10 Furukawa Electric Co Ltd:The Method for evaluating fusion splicing part of different diameter core optical fibers
JP3996219B2 (en) * 1995-11-14 2007-10-24 株式会社フジクラ Optical fiber fusion splicing method and apparatus
SE516153C2 (en) * 1997-02-14 2001-11-26 Ericsson Telefon Ab L M Method and apparatus for welding optical fibers together
SE511805C2 (en) * 1997-02-14 1999-11-29 Ericsson Telefon Ab L M Method and apparatus for determining fusion current for welding optical fibers together, and using the method and apparatus respectively
JPH10267790A (en) * 1997-03-28 1998-10-09 Furukawa Electric Co Ltd:The Method for measuring core diameter of optical fiber
SE511820C2 (en) * 1997-05-23 1999-11-29 Ericsson Telefon Ab L M Apparatus for welding optical fibers
DE19737410A1 (en) * 1997-08-27 1999-03-04 Siemens Ag Method and device for obtaining information about at least one optical fiber end
JP3752095B2 (en) * 1998-03-18 2006-03-08 古河電気工業株式会社 Image processing device for optical fiber observation

Also Published As

Publication number Publication date
US20030164939A1 (en) 2003-09-04
WO2001098799A2 (en) 2001-12-27
ATE453130T1 (en) 2010-01-15
TW463062B (en) 2001-11-11
JP4856840B2 (en) 2012-01-18
US6816244B2 (en) 2004-11-09
DE60140872D1 (en) 2010-02-04
JP2004506177A (en) 2004-02-26
EP1301771B1 (en) 2009-12-23
SE0002310D0 (en) 2000-06-20
EP1301771A2 (en) 2003-04-16
SE523329C2 (en) 2004-04-13
WO2001098799A3 (en) 2002-03-28

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