ATE437378T1 - Mikrostrukturierte optische faser mit mantelungsaussparung, verfahren zu ihrer herstellung und vorrichtung damit - Google Patents

Mikrostrukturierte optische faser mit mantelungsaussparung, verfahren zu ihrer herstellung und vorrichtung damit

Info

Publication number
ATE437378T1
ATE437378T1 AT03744318T AT03744318T ATE437378T1 AT E437378 T1 ATE437378 T1 AT E437378T1 AT 03744318 T AT03744318 T AT 03744318T AT 03744318 T AT03744318 T AT 03744318T AT E437378 T1 ATE437378 T1 AT E437378T1
Authority
AT
Austria
Prior art keywords
cladding
microstructured optical
production
optical fiber
recess
Prior art date
Application number
AT03744318T
Other languages
English (en)
Inventor
Guillaume Vienne
Christian Jakobsen
Jes Broeng
Jacob Folkenberg
Peter Skovgaard
Original Assignee
Crystal Fibre As
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 Crystal Fibre As filed Critical Crystal Fibre As
Application granted granted Critical
Publication of ATE437378T1 publication Critical patent/ATE437378T1/de

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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02366—Single ring of structures, e.g. "air clad"
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02338—Structured core, e.g. core contains more than one material, non-constant refractive index distribution in core, asymmetric or non-circular elements in core unit, multiple cores, insertions between core and clad
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02347—Longitudinal structures arranged to form a regular periodic lattice, e.g. triangular, square, honeycomb unit cell repeated throughout cladding
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02357—Property of longitudinal structures or background material varies radially and/or azimuthally in the cladding, e.g. size, spacing, periodicity, shape, refractive index, graded index, quasiperiodic, quasicrystals
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02361—Longitudinal structures forming multiple layers around the core, e.g. arranged in multiple rings with each ring having longitudinal elements at substantially the same radial distance from the core, having rotational symmetry about the fibre axis
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02376—Longitudinal variation along fibre axis direction, e.g. tapered holes
    • 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
    • G02B6/2852—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 tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)
    • 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
    • G02B6/34—Optical coupling means utilising prism or grating
    • 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
    • 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
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206—Optical features
    • 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
    • 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
    • H01S3/094019—Side pumped fibre, whereby pump light is coupled laterally into the fibre via an optical component like a prism, or a grating, or via V-groove coupling
AT03744318T 2002-03-15 2003-03-17 Mikrostrukturierte optische faser mit mantelungsaussparung, verfahren zu ihrer herstellung und vorrichtung damit ATE437378T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36411802P 2002-03-15 2002-03-15
PCT/DK2003/000180 WO2003079077A1 (en) 2002-03-15 2003-03-17 Microstructured optical fibre with cladding recess, a method of its production, and apparatus comprising same

Publications (1)

Publication Number Publication Date
ATE437378T1 true ATE437378T1 (de) 2009-08-15

Family

ID=28041873

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03744318T ATE437378T1 (de) 2002-03-15 2003-03-17 Mikrostrukturierte optische faser mit mantelungsaussparung, verfahren zu ihrer herstellung und vorrichtung damit

Country Status (6)

Country Link
US (1) US7221840B2 (de)
EP (1) EP1485737B1 (de)
AT (1) ATE437378T1 (de)
AU (1) AU2003226891A1 (de)
DE (1) DE60328465D1 (de)
WO (1) WO2003079077A1 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7272285B2 (en) 2001-07-16 2007-09-18 Massachusetts Institute Of Technology Fiber waveguides and methods of making the same
ATE413269T1 (de) 2001-07-16 2008-11-15 Massachusetts Inst Technology Verfahren zur herstellung von faserlichtwellenleitern
US7319709B2 (en) * 2002-07-23 2008-01-15 Massachusetts Institute Of Technology Creating photon atoms
WO2004102236A2 (en) * 2003-05-19 2004-11-25 Nkt Research & Innovation A/S A side coupled optical waveguide device
DE602004005625T2 (de) 2003-05-28 2007-12-13 Fujikura Ltd. Verfahren zum Anregen eines optischen Faserverstärkers
US7414780B2 (en) 2003-06-30 2008-08-19 Imra America, Inc. All-fiber chirped pulse amplification systems
US6993230B2 (en) * 2003-08-01 2006-01-31 The United States Of America As Represented By The Secretary Of The Navy Hollow core photonic band gap infrared fibers
WO2005041367A1 (en) 2003-10-24 2005-05-06 Nkt Research & Innovation A/S An optical system for providing short laser-pulses
EP1689689A1 (de) * 2003-11-24 2006-08-16 The University of Sydney Mehrkernige mirkostrukturierte lichtleitfasern für die bilderzeugung
US7280730B2 (en) 2004-01-16 2007-10-09 Imra America, Inc. Large core holey fibers
EP1708971B1 (de) * 2004-01-20 2015-06-10 Corning Incorporated Optische faser mit doppelmantel und einem mit seltenen erdmetalldotiertem glaskern
WO2005082801A2 (en) 2004-02-20 2005-09-09 Corning Incorporated Optical fiber and method for making such fiber
WO2005091029A2 (en) * 2004-03-19 2005-09-29 Crystal Fibre A/S Optical coupler devices, methods of their production and use
US7231122B2 (en) 2004-04-08 2007-06-12 Omniguide, Inc. Photonic crystal waveguides and systems using such waveguides
US7331954B2 (en) 2004-04-08 2008-02-19 Omniguide, Inc. Photonic crystal fibers and medical systems including photonic crystal fibers
US7167622B2 (en) 2004-04-08 2007-01-23 Omniguide, Inc. Photonic crystal fibers and medical systems including photonic crystal fibers
EP1846784B1 (de) * 2004-12-30 2016-07-20 Imra America, Inc. Fasern mit photonischem bandabstand
US7787729B2 (en) * 2005-05-20 2010-08-31 Imra America, Inc. Single mode propagation in fibers and rods with large leakage channels
DK1770417T3 (da) * 2005-09-29 2008-07-28 Trumpf Laser Gmbh & Co Kg Optisk fiber og fremgangsmåde til dens fremstilling
US20080267228A1 (en) * 2005-10-02 2008-10-30 Zachary Sacks Fiber Lasers
US7778290B2 (en) * 2005-10-02 2010-08-17 Elbit Systems Electro-Optics Elop Ltd. Fiber lasers
EP1969685A2 (de) 2005-11-18 2008-09-17 Crystal Fibre A/S Verbesserte aktive optische faser mit wellenlängenselektivem filtermechanismus, herstellungsverfahren und verwendung dafür
EP1991314A2 (de) * 2006-03-03 2008-11-19 University of Washington Faseroptik-scanner mit multiumhüllung
US7356233B2 (en) 2006-04-13 2008-04-08 Furakawa Electric North America Inc. Suppression of transverse modes in bandgap microstructure optical fibers
US7458734B2 (en) * 2006-11-09 2008-12-02 Corning Incorporated Method of splicing an optical fiber with holes in the cladding
US20080205839A1 (en) * 2007-02-28 2008-08-28 Scott Robertson Bickham Large effective area high SBS threshold optical fiber
US7496260B2 (en) 2007-03-27 2009-02-24 Imra America, Inc. Ultra high numerical aperture optical fibers
US7425099B1 (en) 2007-04-10 2008-09-16 Furukawa Electric North America, Inc. Systems and methods for modifying selected portion of optical fiber microstructure
US7493009B2 (en) * 2007-05-25 2009-02-17 Baker Hughes Incorporated Optical fiber with tin doped core-cladding interface
WO2009029987A1 (en) * 2007-09-04 2009-03-12 The University Of Sydney A method for making microstructured fibres sensitive to the external environment
JP5662151B2 (ja) 2007-09-26 2015-01-28 イムラ アメリカ インコーポレイテッド ガラス大コア光ファイバ
JP4981632B2 (ja) * 2007-11-16 2012-07-25 三菱電線工業株式会社 ダブルクラッドファイバのファイバ端部加工方法
GB2457947B (en) 2008-02-29 2012-10-17 Sumitomo Electric Industries All solid photonic bandgap fibre
GB2457948B (en) * 2008-02-29 2012-01-25 Sumitomo Electric Industries Photonic bandgap fibre
WO2010016287A1 (ja) * 2008-08-04 2010-02-11 株式会社フジクラ イッテルビウム添加光ファイバ、ファイバレーザ及びファイバアンプ
US20100150507A1 (en) * 2008-12-15 2010-06-17 Furukawa Electric Co., Ltd. Holey fiber
WO2011062894A2 (en) * 2009-11-18 2011-05-26 Boston Scientific Scimed, Inc. Methods and apparatus related to a distal end of a side-fire optical fiber having multiple capillary components
WO2011075442A1 (en) 2009-12-15 2011-06-23 Omniguide, Inc. Two-part surgical waveguide
JP5782104B2 (ja) * 2010-03-16 2015-09-24 オーエフエス ファイテル，エルエルシー マルチコアファイバへの低損失でモードフィールドが整合された結合のための方法、および装置
US8351113B2 (en) * 2010-09-02 2013-01-08 Textron Systems Corporation High power fiber laser system
DE102011103286A1 (de) 2011-06-04 2012-12-06 Roland Berger Anregungseinheit für einen Faserlaser
DE102011085637B4 (de) * 2011-11-02 2022-02-03 Trumpf Laser Gmbh Optische Transportfaser und Verfahren zu deren Herstellung und Verfahren zum Verkleben
EP2894498B1 (de) * 2012-09-04 2020-08-05 Sumitomo Electric Industries, Ltd. Optische faser
US10802209B2 (en) 2013-01-28 2020-10-13 Lumentum Operations Llc Cladding light stripper
GB2511923B (en) 2013-01-28 2018-10-03 Lumentum Operations Llc A cladding light stripper and method of manufacturing
WO2015080831A1 (en) * 2013-11-26 2015-06-04 Ipg Photonics Corporation Optical fiber with mosaic fiber
DE102014011041A1 (de) 2014-07-23 2016-01-28 Leibniz-Institut für Photonische Technologien e. V. Optische Durchflussmesshohlfaser, Verfahren zu ihrer Herstellung und ihre Verwendung
EP3411963A1 (de) 2016-02-04 2018-12-12 CommScope Connectivity Belgium BVBA Vorrichtung zur überwachung von glasfasersignalverkehr an einem glasfaserverbinder
WO2018136668A1 (en) * 2017-01-19 2018-07-26 Massachusetts Institute Technology Control of heating in active doped optical fiber
CN109494554A (zh) * 2018-12-25 2019-03-19 山东海富光子科技股份有限公司 一种中红外波段侧面泵浦光纤抽运信号合束器
FR3139955A1 (fr) * 2022-09-19 2024-03-22 Compagnie Industrielle Des Lasers Cilas Amplificateur laser fibré comprenant un dispositif de pompe latérale.

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626652A (en) * 1985-03-21 1986-12-02 Honeywell Inc. Method and means of removing claddings from optical fibers
US4815079A (en) 1987-12-17 1989-03-21 Polaroid Corporation Optical fiber lasers and amplifiers
US5259059A (en) 1992-12-10 1993-11-02 Xerox Corporation Optical fibers with built-in alignment features
US5500913A (en) * 1993-03-15 1996-03-19 Administrators Of The Tulane Educational Fund Apparatus and method of fabricating directional fiber optic taps, sensors and other devices with variable angle output
ES2126879T3 (es) 1994-12-28 1999-04-01 Italtel Spa Disposicion de acoplamiento entre una fuente luminosa de multiples modos y una fibra optica a traves de un tramo de fibra optica intermedio.
US5854865A (en) * 1995-12-07 1998-12-29 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for side pumping an optical fiber
US5729641A (en) 1996-05-30 1998-03-17 Sdl, Inc. Optical device employing edge-coupled waveguide geometry
US5802236A (en) 1997-02-14 1998-09-01 Lucent Technologies Inc. Article comprising a micro-structured optical fiber, and method of making such fiber
US6263003B1 (en) * 1997-02-14 2001-07-17 Alliedsignal Inc. High-power cladding-pumped broadband fiber source and amplifier
US5907652A (en) 1997-09-11 1999-05-25 Lucent Technologies Inc. Article comprising an air-clad optical fiber
CA2364254A1 (en) 1999-03-08 2000-09-14 Optigain, Inc. Side-pumped fiber laser
US6243515B1 (en) 1999-06-18 2001-06-05 Trw Inc. Apparatus for optically pumping an optical fiber from the side
GB9929344D0 (en) 1999-12-10 2000-02-02 Univ Bath Improvements in or relating to photonic crystal fibres
US6885683B1 (en) * 2000-05-23 2005-04-26 Imra America, Inc. Modular, high energy, widely-tunable ultrafast fiber source
US6317537B1 (en) 2000-08-03 2001-11-13 Hrl Laboratories, Llc Launch port for pumping fiber lasers and amplifiers
JP4511831B2 (ja) 2001-08-30 2010-07-28 クリスタル ファイバー アクティーゼルスカブ 高開口数の光ファイバー、その製造方法並びにその使用法

Also Published As

Publication number Publication date
AU2003226891A1 (en) 2003-09-29
WO2003079077A1 (en) 2003-09-25
EP1485737A1 (de) 2004-12-15
US7221840B2 (en) 2007-05-22
US20050117860A1 (en) 2005-06-02
EP1485737B1 (de) 2009-07-22
DE60328465D1 (de) 2009-09-03

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