BR9913244A - Fibra ótica tendo um diâmetro de campo de modo expandido e método de expansão do diâmetro de campo de modo de uma fibra ótica - Google Patents

Fibra ótica tendo um diâmetro de campo de modo expandido e método de expansão do diâmetro de campo de modo de uma fibra ótica

Info

Publication number
BR9913244A
BR9913244A BR9913244-3A BR9913244A BR9913244A BR 9913244 A BR9913244 A BR 9913244A BR 9913244 A BR9913244 A BR 9913244A BR 9913244 A BR9913244 A BR 9913244A
Authority
BR
Brazil
Prior art keywords
mfd
optical fiber
split
expanded
fiber
Prior art date
Application number
BR9913244-3A
Other languages
English (en)
Inventor
Qi Wu
Original Assignee
Corning Incoporated
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 Corning Incoporated filed Critical Corning Incoporated
Publication of BR9913244A publication Critical patent/BR9913244A/pt

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
    • 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
    • G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
    • 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
    • G02B6/255—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
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29317—Light guides of the optical fibre type
    • G02B6/29319—With a cascade of diffractive elements or of diffraction operations
    • G02B6/2932—With a cascade of diffractive elements or of diffraction operations comprising a directional router, e.g. directional coupler, circulator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Glass Compositions (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

Patente de Invenção para <B>"FIBRA óTICA TENDO UM DIâMETRO DE CAMPO DE MODO EXPANDIDO E MéTODO DE EXPANSãO DO DIâMETRO DE CAMPO DE MODO DE UMA FIBRA óTICA"<D>. A presente invenção é dirigida a uma fibra ótica de diâmetro de campo de modo (MFD) geralmente pequeno, tendo um núcleo ligado por um revestimento, uma extremidade fendida, e um diâmetro de campo de modo expandido. O MFD expandido é formado difundindo-se termicamente um ou mais dopantes no núcleo da fibra ótica de MFD pequeno, usando-se uma fonte de calor altamente localizada. O afilamento adiabático resultante apresenta um MFD expandido que é otimizado para conexão à outra fibra ótica tendo um MFD maior. O afilamento adiabático é formado na fibra ótica de MFD menor pelo alinhamento de contra-apoio das extremidades fendidas de duas fibras tendo MFDs diferentes, para formar uma costura de repartição. A costura de repartição é afastada uma distância pré-determinada a partir do centro da região aquecida por uma fonte de calor para repartir as fibras e expandir os diâmetros de campo de modo. A medida que os diâmetros de campo de modo se expandem, a perda de repartição através da repartição é monitorada. Quando a perda de repartição está em ou suficientemente próxima a uma perda alvo, o aquecimento é terminado, e a fibra ótica repartida é fendida, onde o MFD da porção de fibra de MFD menor da fibra ótica repartida é oticamente expandida para equiparar o MFD de outra fibra ótica.
BR9913244-3A 1998-09-25 1999-09-20 Fibra ótica tendo um diâmetro de campo de modo expandido e método de expansão do diâmetro de campo de modo de uma fibra ótica BR9913244A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10188898P 1998-09-25 1998-09-25
PCT/US1999/021828 WO2000019256A1 (en) 1998-09-25 1999-09-20 An optical fiber having an expanded mode field diameter and method of expanding the mode field diameter of an optical fiber

Publications (1)

Publication Number Publication Date
BR9913244A true BR9913244A (pt) 2001-05-22

Family

ID=22286995

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9913244-3A BR9913244A (pt) 1998-09-25 1999-09-20 Fibra ótica tendo um diâmetro de campo de modo expandido e método de expansão do diâmetro de campo de modo de uma fibra ótica

Country Status (10)

Country Link
US (2) US6275627B1 (pt)
EP (1) EP1123523A1 (pt)
JP (1) JP2002526787A (pt)
KR (1) KR20010088812A (pt)
CN (1) CN1320222A (pt)
AU (1) AU6054399A (pt)
BR (1) BR9913244A (pt)
CA (1) CA2345307A1 (pt)
TW (1) TW510979B (pt)
WO (1) WO2000019256A1 (pt)

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Also Published As

Publication number Publication date
TW510979B (en) 2002-11-21
US6275627B1 (en) 2001-08-14
CA2345307A1 (en) 2000-04-06
US6321006B2 (en) 2001-11-20
AU6054399A (en) 2000-04-17
CN1320222A (zh) 2001-10-31
KR20010088812A (ko) 2001-09-28
US20010022879A1 (en) 2001-09-20
JP2002526787A (ja) 2002-08-20
EP1123523A1 (en) 2001-08-16
WO2000019256A1 (en) 2000-04-06

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