DE60230509D1 - Ringkernfaser - Google Patents

Ringkernfaser

Info

Publication number
DE60230509D1
DE60230509D1 DE60230509T DE60230509T DE60230509D1 DE 60230509 D1 DE60230509 D1 DE 60230509D1 DE 60230509 T DE60230509 T DE 60230509T DE 60230509 T DE60230509 T DE 60230509T DE 60230509 D1 DE60230509 D1 DE 60230509D1
Authority
DE
Germany
Prior art keywords
optical
length
optical fiber
core
providing
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.)
Expired - Lifetime
Application number
DE60230509T
Other languages
English (en)
Inventor
Hong Po
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.)
OCG Tech Licensing LLC
Original Assignee
OCG Tech Licensing LLC
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 OCG Tech Licensing LLC filed Critical OCG Tech Licensing LLC
Application granted granted Critical
Publication of DE60230509D1 publication Critical patent/DE60230509D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • 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
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
    • 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
    • G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
    • G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
    • 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
    • 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
    • G02B6/2808—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 a mixing element which evenly distributes an input signal over a number of outputs
    • G02B6/2813—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 a mixing element which evenly distributes an input signal over a number of outputs based on multimode interference effect, i.e. self-imaging
    • 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
    • H01S3/0672—Non-uniform radial doping
    • 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
DE60230509T 2001-03-30 2002-03-27 Ringkernfaser Expired - Lifetime DE60230509D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28003301P 2001-03-30 2001-03-30
PCT/US2002/009513 WO2002079829A1 (en) 2001-03-30 2002-03-27 Ring core fiber

Publications (1)

Publication Number Publication Date
DE60230509D1 true DE60230509D1 (de) 2009-02-05

Family

ID=23071345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230509T Expired - Lifetime DE60230509D1 (de) 2001-03-30 2002-03-27 Ringkernfaser

Country Status (5)

Country Link
US (3) US7215858B2 (de)
EP (1) EP1402295B1 (de)
AT (1) ATE418743T1 (de)
DE (1) DE60230509D1 (de)
WO (1) WO2002079829A1 (de)

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EP1402295B1 (de) * 2001-03-30 2008-12-24 OCG Technology Licensing, LLC Ringkernfaser
WO2004066458A2 (en) * 2003-01-24 2004-08-05 Trumpf, Inc. Fiber laser
GB0328370D0 (en) * 2003-12-05 2004-01-14 Southampton Photonics Ltd Apparatus for providing optical radiation
US20050226580A1 (en) * 2004-04-08 2005-10-13 Samson Bryce N Optical fiber for handling higher powers
US7317857B2 (en) * 2004-05-03 2008-01-08 Nufem Optical fiber for delivering optical energy to or from a work object
US7483610B2 (en) * 2004-05-03 2009-01-27 Nufern Optical fiber having reduced defect density
KR100774934B1 (ko) 2006-01-26 2007-11-09 광주과학기술원 고출력 광섬유 레이저용 특수 광섬유
US7907810B2 (en) 2006-05-31 2011-03-15 Lawrence Livermore National Security, Llc Optical fiber having wave-guiding rings
EP2078327A1 (de) * 2006-10-18 2009-07-15 The Commonwealth Of Australia Kaskadenlaser
TWI420168B (zh) * 2009-02-27 2013-12-21 Univ Nat United 纖殼泵激式漸逝場型增益光纖
FR2973957B1 (fr) * 2011-04-05 2014-03-28 Centre Nat Rech Scient Oscillateur laser a fibre optique.
FR2980277B1 (fr) * 2011-09-20 2013-10-11 Commissariat Energie Atomique Fibre optique microstructuree a grand coeur et a mode fondamental aplati, et procede de conception de celle ci, application a la microfabrication par laser
US9197030B2 (en) 2012-07-31 2015-11-24 Corning Incorporated Few mode rare earth doped optical fibers for optical amplifiers, and amplifiers using such fibers
US10618131B2 (en) 2014-06-05 2020-04-14 Nlight, Inc. Laser patterning skew correction
US9995875B2 (en) 2015-07-28 2018-06-12 The Penn State Research Foundation Method and apparatus for producing crystalline cladding and crystalline core optical fibers
EP3978184A1 (de) 2015-11-23 2022-04-06 NLIGHT, Inc. Verfahren und vorrichtung zur feinstufigen zeitsteuerung für eine laserstrahlmaterialbearbeitung
US11179807B2 (en) 2015-11-23 2021-11-23 Nlight, Inc. Fine-scale temporal control for laser material processing
US10574021B2 (en) * 2016-05-13 2020-02-25 Corning Incorporated Optical tube waveguide lasing medium and related method
US10730785B2 (en) * 2016-09-29 2020-08-04 Nlight, Inc. Optical fiber bending mechanisms
EP3519871A1 (de) 2016-09-29 2019-08-07 NLIGHT, Inc. Einstellbare strahleigenschaften
KR102611837B1 (ko) 2017-04-04 2023-12-07 엔라이트 인크. 검류계 스캐너 보정을 위한 광학 기준 생성
US20210389524A1 (en) * 2020-06-16 2021-12-16 Corning Research & Development Corporation Laser cleaving and polishing of doped optical fibers

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Also Published As

Publication number Publication date
US7215858B2 (en) 2007-05-08
US20070206900A1 (en) 2007-09-06
EP1402295B1 (de) 2008-12-24
US20040156608A1 (en) 2004-08-12
WO2002079829A1 (en) 2002-10-10
EP1402295A1 (de) 2004-03-31
US7437041B2 (en) 2008-10-14
EP1402295A4 (de) 2005-03-30
ATE418743T1 (de) 2009-01-15
US20090041064A1 (en) 2009-02-12

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