JPS5233742A - Method of welding optical fibers by means of co2 laser - Google Patents

Method of welding optical fibers by means of co2 laser

Info

Publication number
JPS5233742A
JPS5233742A JP50109034A JP10903475A JPS5233742A JP S5233742 A JPS5233742 A JP S5233742A JP 50109034 A JP50109034 A JP 50109034A JP 10903475 A JP10903475 A JP 10903475A JP S5233742 A JPS5233742 A JP S5233742A
Authority
JP
Japan
Prior art keywords
optical fibers
laser
welding optical
welded
welding
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.)
Granted
Application number
JP50109034A
Other languages
Japanese (ja)
Other versions
JPS5737845B2 (en
Inventor
Hiroyuki Fujita
Yasuji Suzaki
Atsushi Tachibana
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50109034A priority Critical patent/JPS5233742A/en
Priority to DE19762640422 priority patent/DE2640422A1/en
Priority to FR7627180A priority patent/FR2323646A1/en
Publication of JPS5233742A publication Critical patent/JPS5233742A/en
Publication of JPS5737845B2 publication Critical patent/JPS5737845B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2817—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using reflective elements to split or combine optical signals
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2856—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers formed or shaped by thermal heating means, e.g. splitting, branching and/or combining elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Laser Beam Processing (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

PURPOSE:To provide a method wherein both end surfaces of optical fibers to be welded are aligned at the focus of a laser beam converged by collector lens, and the optical fibers are welded with small connection loss and high connection strength.
JP50109034A 1975-09-10 1975-09-10 Method of welding optical fibers by means of co2 laser Granted JPS5233742A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50109034A JPS5233742A (en) 1975-09-10 1975-09-10 Method of welding optical fibers by means of co2 laser
DE19762640422 DE2640422A1 (en) 1975-09-10 1976-09-08 METHOD AND DEVICE FOR CONNECTING OPTICAL FIBERS
FR7627180A FR2323646A1 (en) 1975-09-10 1976-09-09 Connection system for quartz glass light guide fibres - is by irradiation of parts of fibres using focussed carbon dioxide laser beams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50109034A JPS5233742A (en) 1975-09-10 1975-09-10 Method of welding optical fibers by means of co2 laser

Publications (2)

Publication Number Publication Date
JPS5233742A true JPS5233742A (en) 1977-03-15
JPS5737845B2 JPS5737845B2 (en) 1982-08-12

Family

ID=14499920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50109034A Granted JPS5233742A (en) 1975-09-10 1975-09-10 Method of welding optical fibers by means of co2 laser

Country Status (3)

Country Link
JP (1) JPS5233742A (en)
DE (1) DE2640422A1 (en)
FR (1) FR2323646A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268426A (en) * 1975-12-04 1977-06-07 Nippon Telegr & Teleph Corp <Ntt> Connection of optical fibers by fusing
DE2812346A1 (en) 1977-03-23 1978-09-28 Tokyo Shibaura Electric Co LIGHT DISTRIBUTOR

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291940A (en) * 1977-06-13 1981-09-29 Canadian Patents & Development Ltd. Low loss access coupler for multimode optical fiber distribution systems
DE2738050C2 (en) * 1977-08-24 1982-04-01 Felten & Guilleaume Carlswerk AG, 5000 Köln Fiber optic branching and method for making them
DE2845039A1 (en) * 1977-11-14 1979-05-17 Thomas & Betts Corp METHOD AND DEVICE FOR ASSEMBLING LONGITUDINAL OBJECTS
EP0018768B2 (en) * 1979-05-01 1990-04-25 BRITISH TELECOMMUNICATIONS public limited company Apparatus of joining together optical fibres
JPS55155314A (en) * 1979-05-21 1980-12-03 Nippon Telegr & Teleph Corp <Ntt> Connecting method of optical fiber and its connector
DE2932754C3 (en) * 1979-08-13 1982-03-11 Siemens AG, 1000 Berlin und 8000 München Clamping device for optical waveguides for the production of permanent connections
DE2932723C3 (en) * 1979-08-13 1982-03-04 Siemens AG, 1000 Berlin und 8000 München Device for making permanent connections of optical fibers
CH638622A5 (en) * 1979-09-14 1983-09-30 Cabloptic Sa METHOD AND DEVICE FOR WELDING OPTICAL FIBERS.
DE3105748C2 (en) * 1981-02-17 1983-07-07 Spinner-GmbH Elektrotechnische Fabrik, 8000 München Method for manufacturing an optical fiber coupler
DE3230657A1 (en) * 1982-08-18 1984-02-23 Philips Kommunikations Industrie AG, 8500 Nürnberg OPTICAL MULTIPLEXER
ATE26436T1 (en) * 1982-10-08 1987-04-15 British Telecomm CONNECTION OF FIBER OPTICS THROUGH FUSE JOINTS.
FR2537732A1 (en) * 1982-12-10 1984-06-15 Thomson Csf DEVICE FOR WARMING A SUPERFICIAL ANNULAR AREA OF A FILIFORM OBJECT
FR2538916A1 (en) * 1982-12-30 1984-07-06 Thomson Csf Device and method for a collective preparation of optical fibres by a heat treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268426A (en) * 1975-12-04 1977-06-07 Nippon Telegr & Teleph Corp <Ntt> Connection of optical fibers by fusing
DE2812346A1 (en) 1977-03-23 1978-09-28 Tokyo Shibaura Electric Co LIGHT DISTRIBUTOR

Also Published As

Publication number Publication date
JPS5737845B2 (en) 1982-08-12
FR2323646B1 (en) 1983-01-14
FR2323646A1 (en) 1977-04-08
DE2640422A1 (en) 1977-03-24

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