FI20045308A - Optinen kuituvahvistin, jossa on vahvistuksen muotoerottelu - Google Patents

Optinen kuituvahvistin, jossa on vahvistuksen muotoerottelu Download PDF

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Publication number
FI20045308A
FI20045308A FI20045308A FI20045308A FI20045308A FI 20045308 A FI20045308 A FI 20045308A FI 20045308 A FI20045308 A FI 20045308A FI 20045308 A FI20045308 A FI 20045308A FI 20045308 A FI20045308 A FI 20045308A
Authority
FI
Finland
Prior art keywords
amplification
optical fiber
fiber amplifier
modal discrimination
modal
Prior art date
Application number
FI20045308A
Other languages
English (en)
Swedish (sv)
Other versions
FI20045308A0 (fi
Inventor
Kalle Ylae-Jarkko
Arto Salokatve
Original Assignee
Corelase Oy
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 Corelase Oy filed Critical Corelase Oy
Priority to FI20045308A priority Critical patent/FI20045308A/fi
Publication of FI20045308A0 publication Critical patent/FI20045308A0/fi
Priority to JP2007528894A priority patent/JP4911383B2/ja
Priority to US11/661,109 priority patent/US7760771B2/en
Priority to EP05771109A priority patent/EP1790051A1/en
Priority to PCT/FI2005/000342 priority patent/WO2006021609A1/en
Publication of FI20045308A publication Critical patent/FI20045308A/fi

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
    • G02B6/036—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
    • G02B6/03638—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 3 layers only
    • G02B6/03644—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 3 layers only arranged - + -
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
FI20045308A 2004-08-26 2004-08-26 Optinen kuituvahvistin, jossa on vahvistuksen muotoerottelu FI20045308A (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20045308A FI20045308A (fi) 2004-08-26 2004-08-26 Optinen kuituvahvistin, jossa on vahvistuksen muotoerottelu
JP2007528894A JP4911383B2 (ja) 2004-08-26 2005-07-27 アクティブなマルチモードファイバー及びその使用方法
US11/661,109 US7760771B2 (en) 2004-08-26 2005-07-27 Optical fiber gain medium with modal discrimination of amplification
EP05771109A EP1790051A1 (en) 2004-08-26 2005-07-27 Optical fiber gain medium with modal discrimination of amplification
PCT/FI2005/000342 WO2006021609A1 (en) 2004-08-26 2005-07-27 Optical fiber gain medium with modal discrimination of amplification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20045308A FI20045308A (fi) 2004-08-26 2004-08-26 Optinen kuituvahvistin, jossa on vahvistuksen muotoerottelu

Publications (2)

Publication Number Publication Date
FI20045308A0 FI20045308A0 (fi) 2004-08-26
FI20045308A true FI20045308A (fi) 2006-02-27

Family

ID=32922170

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20045308A FI20045308A (fi) 2004-08-26 2004-08-26 Optinen kuituvahvistin, jossa on vahvistuksen muotoerottelu

Country Status (5)

Country Link
US (1) US7760771B2 (fi)
EP (1) EP1790051A1 (fi)
JP (1) JP4911383B2 (fi)
FI (1) FI20045308A (fi)
WO (1) WO2006021609A1 (fi)

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US7450813B2 (en) 2006-09-20 2008-11-11 Imra America, Inc. Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers
JP4975476B2 (ja) * 2007-02-20 2012-07-11 株式会社フジクラ ファイバレーザ
JP5220502B2 (ja) * 2007-07-19 2013-06-26 フルカワ エレクトリック ノース アメリカ インコーポレーテッド 曲げ補償型光ファイバにおける共振結合による高次モードの抑制
US8797642B2 (en) * 2007-07-20 2014-08-05 Corning Incorporated Large mode area optical fiber
US7876495B1 (en) * 2007-07-31 2011-01-25 Lockheed Martin Corporation Apparatus and method for compensating for and using mode-profile distortions caused by bending optical fibers
DE102007045488B4 (de) * 2007-09-14 2010-07-22 Heraeus Quarzglas Gmbh & Co. Kg Seitengepumpter Laser
CA2712123C (en) * 2008-01-17 2014-12-23 Institut National D'optique Multi-cladding optical fiber with mode filtering through differential bending losses
US8934749B2 (en) * 2008-06-30 2015-01-13 Liekki Corporation Fiber structure and a method for discriminating high order modes in the fiber structure
CN102239434B (zh) * 2008-12-04 2014-11-26 Imra美国公司 用于光纤激光器和放大器的高度稀土掺杂的光纤
CN102317825A (zh) * 2008-12-18 2012-01-11 手性光子公司 光纤衍射光栅
US8665514B2 (en) 2009-03-11 2014-03-04 Panasonic Corporation Multi-core optical amplification fiber wound with decreasing radius of curvature
US8372667B2 (en) * 2009-04-20 2013-02-12 Applied Materials, Inc. Fiber laser substrate processing
GB0919902D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Improvements in fibre optic cables for distributed sensing
US7865050B1 (en) * 2010-02-16 2011-01-04 Ofs Fitel, Llc Equalizing modal delay of high order modes in bend insensitive multimode fiber
JP2014509412A (ja) * 2011-02-24 2014-04-17 オーエフエス ファイテル，エルエルシー 空間多重化のためのマルチコア・ファイバ設計
US8737777B2 (en) * 2012-01-03 2014-05-27 Xyratex Technology Limited Optical waveguide and a method for making an optical waveguide
CN103560381A (zh) * 2013-09-29 2014-02-05 中国科学院上海光学精密机械研究所 单模光纤激光器
CN108780189B (zh) 2016-04-06 2021-11-19 特拉迪欧德公司 用于改变激光束轮廓的光纤结构和方法
FR3056306B1 (fr) * 2016-09-20 2019-11-22 Commissariat A L'energie Atomique Et Aux Energies Alternatives Guide optique presentant un virage a pseudo-gradient d'indice
EP3578108B8 (en) 2017-02-01 2020-12-30 FUJIFILM Corporation Ultrasound diagnostic device, ultrasound diagnostic device control method and ultrasound diagnostic device control program
JP6974957B2 (ja) 2017-03-31 2021-12-01 日本ケミコン株式会社 アルミ材のレーザキーホール溶接構造及びレーザキーホール溶接方法
EP3631542A4 (en) * 2017-06-02 2021-03-03 Commscope Technologies LLC CONCENTRIC FIBER FOR OPTICAL SPACE MULTIPLEX COMMUNICATIONS AND METHOD OF USE
JP7124210B2 (ja) * 2019-03-29 2022-08-23 株式会社フジクラ 活性元素添加光ファイバ、共振器、及び、ファイバレーザ装置
DK3952036T3 (da) * 2019-03-29 2024-03-25 Fujikura Ltd Optisk fiber med tilføjet aktivt element, resonator og fiberlaserindretning
JPWO2021166365A1 (fi) * 2020-02-19 2021-08-26

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US4715679A (en) * 1981-12-07 1987-12-29 Corning Glass Works Low dispersion, low-loss single-mode optical waveguide
US4549781A (en) * 1983-06-01 1985-10-29 Corning Glass Works Polarization-retaining single-mode optical waveguide
GB8519086D0 (en) 1985-07-29 1985-09-04 Gen Electric Co Plc Coaxial couplers
DE4033768C1 (en) 1990-10-24 1991-07-18 Schott Glaswerke, 6500 Mainz, De Flexible optical fibre transmitting polychromatic beams - has refractive profile such that convergence angle at input and divergence angle at output are practically independent of wavelength
US5121460A (en) * 1991-01-31 1992-06-09 The Charles Stark Draper Lab., Inc. High-power mode-selective optical fiber laser
FR2740563B1 (fr) 1995-10-31 1997-11-21 Alcatel Submarcom Fibre optique comprenant un dopant fluorescent
JPH1082918A (ja) * 1996-09-09 1998-03-31 Sumitomo Electric Ind Ltd 光ファイバグレーティング
JP3622816B2 (ja) 1996-12-27 2005-02-23 富士通株式会社 光増幅用ファイバ及びその製造方法
GB9814526D0 (en) * 1998-07-03 1998-09-02 Univ Southampton Optical fibre and optical fibre device
AU768742B2 (en) 1998-11-02 2004-01-08 Sumitomo Electric Industries, Ltd. Single-mode optical fiber and its production method
US6192179B1 (en) * 1999-01-25 2001-02-20 Corning Incorporated Distributed resonant ring fiber filter
US20020164140A1 (en) * 2000-01-12 2002-11-07 Michael Lysiansky Few-mode fiber profile
US6563995B2 (en) 2001-04-02 2003-05-13 Lightwave Electronics Optical wavelength filtering apparatus with depressed-index claddings
US7039076B2 (en) 2001-08-10 2006-05-02 Jds Uniphase Corporation Fiber amplifier system for producing visible light
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AU2003217981A1 (en) 2002-03-08 2003-09-22 Lightwave Electronics Amplifiers and light sources employing s-band erbium-doped fiber and l-band thulium-doped fiber with distributed suppression of amplified spontaneous emission (ase)
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Also Published As

Publication number Publication date
US20080025363A1 (en) 2008-01-31
JP2008511148A (ja) 2008-04-10
WO2006021609A1 (en) 2006-03-02
FI20045308A0 (fi) 2004-08-26
JP4911383B2 (ja) 2012-04-04
US7760771B2 (en) 2010-07-20
EP1790051A1 (en) 2007-05-30

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