CA2056533A1 - Element a fibre optique, photocoupleur et methode de production connexe - Google Patents

Element a fibre optique, photocoupleur et methode de production connexe

Info

Publication number
CA2056533A1
CA2056533A1 CA2056533A CA2056533A CA2056533A1 CA 2056533 A1 CA2056533 A1 CA 2056533A1 CA 2056533 A CA2056533 A CA 2056533A CA 2056533 A CA2056533 A CA 2056533A CA 2056533 A1 CA2056533 A1 CA 2056533A1
Authority
CA
Canada
Prior art keywords
fiber component
producing
optical fiber
optical
optical coupler
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
CA2056533A
Other languages
English (en)
Other versions
CA2056533C (fr
Inventor
Sumio Hoshino
Masumi Ito
Masayuki Shigematsu
Hiroo Kanamori
Hisashi Izumita
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2056533A1 publication Critical patent/CA2056533A1/fr
Application granted granted Critical
Publication of CA2056533C publication Critical patent/CA2056533C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • 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
    • G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends
    • 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
    • G02B6/2821—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 lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2835—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 lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729—Peculiar transverse fibre profile
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06783—Amplifying coupler
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Lasers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
CA002056533A 1990-11-29 1991-11-28 Element a fibre optique, photocoupleur et methode de production connexe Expired - Fee Related CA2056533C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP331535/1990 1990-11-29
JP2331535A JP2948656B2 (ja) 1990-11-29 1990-11-29 活性元素添加光ファイバ部品の製造方法

Publications (2)

Publication Number Publication Date
CA2056533A1 true CA2056533A1 (fr) 1992-05-30
CA2056533C CA2056533C (fr) 2000-02-15

Family

ID=18244748

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002056533A Expired - Fee Related CA2056533C (fr) 1990-11-29 1991-11-28 Element a fibre optique, photocoupleur et methode de production connexe

Country Status (7)

Country Link
US (2) US5202947A (fr)
EP (1) EP0488266B1 (fr)
JP (1) JP2948656B2 (fr)
KR (1) KR940004209B1 (fr)
CA (1) CA2056533C (fr)
DE (1) DE69113403T2 (fr)
ES (1) ES2089098T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6137476A (en) 1994-08-25 2000-10-24 International Business Machines Corp. Data mouse
US5567622A (en) * 1995-07-05 1996-10-22 The Aerospace Corporation Sensor for detection of nitrogen dioxide and nitrogen tetroxide
US5966493A (en) 1998-02-20 1999-10-12 Molecular Optoelectronics Corporation Fiber optic attenuators and attenuation systems
US6191224B1 (en) 1998-08-25 2001-02-20 Molecular Optoelectronics Corporation Dispersion-controlled polymers for broadband fiber optic devices
US6785461B2 (en) 1998-08-25 2004-08-31 Molecular Optoelectronics Corp. Blockless fiber optic attenuators and attenuation systems employing dispersion tailored polymers
US6205280B1 (en) 1998-08-25 2001-03-20 Molecular Optoelectronics Corporation Blockless fiber optic attenuators and attenuation systems employing dispersion controlled polymers
GB9903790D0 (en) * 1999-02-19 1999-04-14 Protodel International Limited Optical fibre attenuator and method of attenuating light transmitted through an optical fibre
US6301426B1 (en) 1999-03-16 2001-10-09 Molecular Optoelectronics Corporation Mechanically adjustable fiber optic attenuator and method employing same
US6483981B1 (en) 2000-06-28 2002-11-19 Molecular Optoelectronics Corp. Single-channel attenuators
US6611649B2 (en) 2001-03-19 2003-08-26 Molecular Optoelectronics Corporation Variable optical attenuator with polarization maintaining fiber
US6681073B2 (en) 2001-03-19 2004-01-20 Molecular Optoelectronics Corporation Fiber optic power control systems and methods
JP5671706B2 (ja) * 2012-05-17 2015-02-18 パナソニックＩｐマネジメント株式会社 ファイバレーザ発振器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515431A (en) * 1982-08-11 1985-05-07 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4586784A (en) * 1983-06-10 1986-05-06 Canadian Patents & Dev. Limited Modal-insensitive biconical taper couplers
US4603940A (en) * 1983-08-30 1986-08-05 Board Of Trustees Of The Leland Stanford Junior University Fiber optic dye amplifier
US4589725A (en) * 1984-03-28 1986-05-20 Andrew Corporation Optical-fiber directional coupler using boron oxide as interstitial material
GB8813769D0 (en) * 1988-06-10 1988-07-13 Pirelli General Plc Optical fibre
FR2638854B1 (fr) * 1988-11-10 1992-09-04 Comp Generale Electricite Amplificateur laser a fibre optique dopee
JPH0373934A (ja) * 1989-08-15 1991-03-28 Fujitsu Ltd 光増幅器
US5027079A (en) * 1990-01-19 1991-06-25 At&T Bell Laboratories Erbium-doped fiber amplifier

Also Published As

Publication number Publication date
EP0488266A2 (fr) 1992-06-03
JPH04199031A (ja) 1992-07-20
USRE35222E (en) 1996-04-30
DE69113403T2 (de) 1996-04-04
DE69113403D1 (de) 1995-11-02
EP0488266B1 (fr) 1995-09-27
KR940004209B1 (ko) 1994-05-17
CA2056533C (fr) 2000-02-15
JP2948656B2 (ja) 1999-09-13
EP0488266A3 (en) 1992-10-28
US5202947A (en) 1993-04-13
ES2089098T3 (es) 1996-10-01

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