ATE471525T1 - Verarbeitungsverfahren für faseroptische bündel - Google Patents

Verarbeitungsverfahren für faseroptische bündel

Info

Publication number
ATE471525T1
ATE471525T1 AT06708922T AT06708922T ATE471525T1 AT E471525 T1 ATE471525 T1 AT E471525T1 AT 06708922 T AT06708922 T AT 06708922T AT 06708922 T AT06708922 T AT 06708922T AT E471525 T1 ATE471525 T1 AT E471525T1
Authority
AT
Austria
Prior art keywords
optical fiber
processing methods
fiber optical
optical bundles
precursor
Prior art date
Application number
AT06708922T
Other languages
English (en)
Inventor
Simo Tammela
Kalle Ylae-Jarkko
Original Assignee
Liekki 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 Liekki Oy filed Critical Liekki Oy
Application granted granted Critical
Publication of ATE471525T1 publication Critical patent/ATE471525T1/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
    • G02B6/24—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
    • 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
    • G02B6/26—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
    • H01S3/09—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
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • G02B6/032—Optical fibres with cladding with or without a coating with non solid core or 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
    • G02B6/036—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
    • 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
    • G02B6/42—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
    • G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
    • 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
    • H01S3/09—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
    • H01S3/094007—Cladding pumping, i.e. pump light propagating in a clad surrounding the active core
    • 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
    • H01S3/094049—Guiding of the pump light
    • H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
    • 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
    • H01S3/094049—Guiding of the pump light
    • H01S3/094057—Guiding of the pump light by tapered duct or homogenized light pipe, e.g. for concentrating pump light

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
AT06708922T 2005-02-23 2006-02-23 Verarbeitungsverfahren für faseroptische bündel ATE471525T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20050215A FI120471B (fi) 2005-02-23 2005-02-23 Optisen kuidun käsittelymenetelmä
PCT/FI2006/000063 WO2006089999A1 (en) 2005-02-23 2006-02-23 Optical fibre bundle processing method

Publications (1)

Publication Number Publication Date
ATE471525T1 true ATE471525T1 (de) 2010-07-15

Family

ID=34224244

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06708922T ATE471525T1 (de) 2005-02-23 2006-02-23 Verarbeitungsverfahren für faseroptische bündel

Country Status (9)

Country Link
US (1) US7455464B2 (de)
EP (1) EP1866681B1 (de)
JP (1) JP5421536B2 (de)
CN (1) CN101160539B (de)
AT (1) ATE471525T1 (de)
DE (1) DE602006014950D1 (de)
DK (1) DK1866681T3 (de)
FI (1) FI120471B (de)
WO (1) WO2006089999A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007084209A2 (en) * 2005-11-10 2007-07-26 Optical Air Data Systems, Llc Single aperture multiple optical waveguide transceiver
US7559706B2 (en) * 2006-02-22 2009-07-14 Liekki Oy Light amplifying fiber arrangement
DE102008053728B4 (de) 2008-10-29 2015-02-26 Trumpf Laser Gmbh Optische Faseranordnung
DE102008062848A1 (de) * 2008-12-23 2010-06-24 Jt Optical Engine Gmbh + Co. Kg Spleißverbindung zwischen zwei optischen Fasern sowie Verfahren zum Herstellen einer solchen Spleißverbindung
US8228962B2 (en) * 2009-01-23 2012-07-24 Iptronics A/S Low power drive circuit
KR101339445B1 (ko) * 2010-04-23 2014-01-02 한국전자통신연구원 광섬유 커플러, 그의 제조방법 및 능동 광모듈
CN102044830B (zh) * 2010-11-05 2013-10-16 山西飞虹激光科技有限公司 一种大功率光纤激光器的侧面耦合器及制作方法
EP2671106B1 (de) * 2011-02-03 2017-12-13 3SAE Technologies, Inc. Seiten-gepumpte faser, herstellungsverfahren dafür und optische vorrichtungen damit
US8666212B1 (en) * 2011-04-28 2014-03-04 Google Inc. Head mounted display using a fused fiber bundle
US9366821B2 (en) * 2012-03-02 2016-06-14 Tyco Electronics Corporation Method of forming fused coupler
JP5584280B2 (ja) * 2012-12-21 2014-09-03 株式会社フジクラ ブリッジファイバ、コンバイナ及びファイバレーザ装置
CN104577652B (zh) * 2013-10-16 2018-07-17 福州高意通讯有限公司 阵列光纤激光器、放大器及多芯式光纤的制作方法
WO2017015216A1 (en) * 2015-07-17 2017-01-26 Incom, Inc. Wave guiding element and method of manufacture
GB201513902D0 (en) * 2015-08-06 2015-09-23 Spi Lasers Uk Ltd An amplifying optical device
CN105281186B (zh) * 2015-11-19 2018-06-22 北京工业大学 侧面双向泵浦熔融型耦合器及其制作方法
JP6998311B2 (ja) * 2016-02-05 2022-02-04 ニューファーン 光ファイバシステム
JP2021530105A (ja) * 2018-06-29 2021-11-04 アイピージー フォトニクス コーポレーション 高パワー高効率ｅｃｏレーザ用の能動導波路
CN109061801B (zh) * 2018-10-12 2024-02-20 广东国志激光技术有限公司 一种高功率信号合束器及其制作方法
CN115718372A (zh) * 2018-12-20 2023-02-28 江苏睿赛光电科技有限公司 实现平顶光束的侧泵信号合束器及其制备方法
CN110133797B (zh) * 2019-05-30 2020-07-28 山东光韵智能科技有限公司 一种可见光三层波浪内衬多彩光纤及其制造方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291940A (en) * 1977-06-13 1981-09-29 Canadian Patents & Development Ltd. Low loss access coupler for multimode optical fiber distribution systems
US4720160A (en) * 1981-12-16 1988-01-19 Polaroid Corporation Optical resonant cavity filters
US4553238A (en) * 1983-09-30 1985-11-12 The Board Of Trustees Of The Leland Stanford University Fiber optic amplifier
US4673243A (en) * 1984-04-10 1987-06-16 Director-General Of Agency Of Industrial Science & Technology Branch structures for rod-type optical transmission lines
US4815079A (en) * 1987-12-17 1989-03-21 Polaroid Corporation Optical fiber lasers and amplifiers
DE8804518U1 (de) 1988-04-06 1988-05-19 Giese, Willi, 2390 Flensburg Lichtleiterkoppler
CA2209127C (en) 1994-12-28 2003-04-15 Valentin P. Gapontsev A coupling arrangement between a multi-mode light source and an optical fiber through an intermediate optical fiber length
JP3298799B2 (ja) * 1995-11-22 2002-07-08 ルーセント テクノロジーズ インコーポレイテッド クラッディングポンプファイバとその製造方法
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
US5818630A (en) * 1997-06-25 1998-10-06 Imra America, Inc. Single-mode amplifiers and compressors based on multi-mode fibers
US5864644A (en) * 1997-07-21 1999-01-26 Lucent Technologies Inc. Tapered fiber bundles for coupling light into and out of cladding-pumped fiber devices
ES2154251T1 (es) * 1997-12-09 2001-04-01 Scientific Atlanta Fibras opticas de doble revestimiento reforzadas con tierras raras.
WO1999045419A1 (en) * 1998-03-04 1999-09-10 Sdl, Inc. Optical couplers for multimode fibers
EP1016887A1 (de) * 1998-12-31 2000-07-05 Daewoo Telecom Ltd. Dichtes-gedämpftes Faseroptischesbündel und hieraus aufgebautes optisches Faserkabel
US6434295B1 (en) * 1999-01-14 2002-08-13 Jds Uniphase Corporation Side coupled pumping of double clad fiber gain media
GB9903918D0 (en) 1999-02-19 1999-04-14 Univ Bath Improvements in and relating to photonic crystal fibres
US6370297B1 (en) * 1999-03-31 2002-04-09 Massachusetts Institute Of Technology Side pumped optical amplifiers and lasers
WO2000060388A1 (en) 1999-04-01 2000-10-12 Qinetiq Limited A photonic crystal fibre and a method for its production
WO2000067350A1 (en) * 1999-04-30 2000-11-09 University Of Southampton An optical fibre arrangement
US6397636B1 (en) * 1999-05-20 2002-06-04 Lucent Technologies Inc. Method of applying a precursor to an assembled fiber bundle and fusing the bundle together
DE19940849B4 (de) * 1999-08-27 2013-01-03 Lisa Dräxlmaier GmbH Lichtwellenleiter
WO2002039159A1 (en) * 2000-11-10 2002-05-16 Crystal Fibre A/S Optical fibres with special bending and dispersion properties
AU2002223515A1 (en) * 2000-11-20 2002-05-27 Crystal Fibre A/S A micro-structured optical fibre
FR2822242B1 (fr) 2001-03-16 2003-08-15 Cit Alcatel Fibre optique photonique a forte surface effective
WO2003017440A2 (en) * 2001-08-13 2003-02-27 Ram Oron Optical amplification system
FR2834347B1 (fr) * 2002-01-03 2004-04-09 Cit Alcatel Coupleur optique pour pompe multimode
EP1741546B1 (de) * 2002-04-16 2009-03-25 Prysmian S.p.A. Verfahren zur Herstellung von einer mikrostrukturierten optischen Faser
FI20030403A0 (fi) * 2003-03-18 2003-03-18 Optoelectronics Res Ct Optinon kuitu ja menetelmä pumppausvoiman johtamiseksi kuituun sekä valmistusmenetelmä
FI125571B (en) * 2005-02-23 2015-11-30 Liekki Oy A bundle of optical fibers and a process for making it

Also Published As

Publication number Publication date
US7455464B2 (en) 2008-11-25
WO2006089999A1 (en) 2006-08-31
EP1866681B1 (de) 2010-06-16
FI20050215A (fi) 2006-11-08
FI20050215A0 (fi) 2005-02-23
DK1866681T3 (da) 2010-10-18
JP5421536B2 (ja) 2014-02-19
US20060204186A1 (en) 2006-09-14
FI120471B (fi) 2009-10-30
JP2008532072A (ja) 2008-08-14
CN101160539A (zh) 2008-04-09
EP1866681A1 (de) 2007-12-19
CN101160539B (zh) 2010-05-26
DE602006014950D1 (de) 2010-07-29

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