IN2010KN00199A - - Google Patents

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Publication number
IN2010KN00199A
IN2010KN00199A IN199KON2010A IN2010KN00199A IN 2010KN00199 A IN2010KN00199 A IN 2010KN00199A IN 199KON2010 A IN199KON2010 A IN 199KON2010A IN 2010KN00199 A IN2010KN00199 A IN 2010KN00199A
Authority
IN
India
Prior art keywords
optical waveguide
gain medium
phosphosilicate glass
cladding
core
Prior art date
Application number
Other languages
English (en)
Inventor
Bertrand Morasse
Sandro Jean-Philippe De
Eric Gagnon
STéPHANE CHATIGNY
Original Assignee
Coractive High Tech Inc
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 Coractive High Tech Inc filed Critical Coractive High Tech Inc
Publication of IN2010KN00199A publication Critical patent/IN2010KN00199A/en

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616Optical 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06716Fibre compositions or doping with active elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16Solid materials
    • H01S3/1601Solid materials characterised by an active (lasing) ion
    • H01S3/1603Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1618Solid materials characterised by an active (lasing) ion rare earth ytterbium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16Solid materials
    • H01S3/17Solid materials amorphous, e.g. glass
    • H01S3/175Solid materials amorphous, e.g. glass phosphate glass
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616Optical 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
    • G02B6/03622Optical 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
    • G02B6/03633Optical 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 - -
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616Optical 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
    • G02B6/03638Optical 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729Peculiar transverse fibre profile
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729Peculiar transverse fibre profile
    • H01S3/06733Fibre having more than one cladding
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06745Tapering of the fibre, core or active region
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/0675Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06754Fibre amplifiers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16Solid materials
    • H01S3/17Solid materials amorphous, e.g. glass
    • H01S3/176Solid materials amorphous, e.g. glass silica or silicate glass

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
  • Glass Compositions (AREA)
IN199KON2010 2007-07-16 2008-07-15 IN2010KN00199A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92986407P 2007-07-16 2007-07-16
PCT/CA2008/001296 WO2009009888A1 (en) 2007-07-16 2008-07-15 Light emitting devices with phosphosilicate glass

Publications (1)

Publication Number Publication Date
IN2010KN00199A true IN2010KN00199A (enExample) 2015-08-28

Family

ID=40259254

Family Applications (1)

Application Number Title Priority Date Filing Date
IN199KON2010 IN2010KN00199A (enExample) 2007-07-16 2008-07-15

Country Status (9)

Country Link
US (1) US8270445B2 (enExample)
EP (1) EP2179480B1 (enExample)
JP (1) JP5563978B2 (enExample)
KR (1) KR101464583B1 (enExample)
CN (2) CN105305211A (enExample)
CA (1) CA2693854C (enExample)
IL (1) IL203357A (enExample)
IN (1) IN2010KN00199A (enExample)
WO (1) WO2009009888A1 (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2952243B1 (fr) * 2009-11-03 2012-05-11 Univ Bordeaux 1 Source optique mettant en oeuvre une fibre dopee, fibre pour une telle source optique et procede de fabrication d'une telle fibre
CN102135641B (zh) * 2011-03-29 2012-07-04 华中科技大学 一种抗光子暗化的有源光纤及其制备方法
US9842665B2 (en) 2013-02-21 2017-12-12 Nlight, Inc. Optimization of high resolution digitally encoded laser scanners for fine feature marking
CN103951267B (zh) * 2013-11-19 2018-01-30 山东海富光子科技股份有限公司 用于高功率光纤激光器的硅酸盐全玻璃光纤
CN103645538A (zh) * 2013-12-16 2014-03-19 中国人民解放军国防科学技术大学 一种双包层拉曼光纤
US10069271B2 (en) 2014-06-02 2018-09-04 Nlight, Inc. Scalable high power fiber laser
US10310201B2 (en) 2014-08-01 2019-06-04 Nlight, Inc. Back-reflection protection and monitoring in fiber and fiber-delivered lasers
US9634461B1 (en) * 2014-08-08 2017-04-25 Bae Systems Information And Electronic Systems Integration Inc. Geometric isolator providing isolation between resonantly pumped cascaded laser
US9837783B2 (en) 2015-01-26 2017-12-05 Nlight, Inc. High-power, single-mode fiber sources
US10050404B2 (en) 2015-03-26 2018-08-14 Nlight, Inc. Fiber source with cascaded gain stages and/or multimode delivery fiber with low splice loss
CN104865634B (zh) * 2015-06-11 2018-09-07 长飞光纤光缆股份有限公司 一种掺镱光纤及其制备方法
CN104993369B (zh) * 2015-06-24 2018-03-09 华中科技大学 一种基于光纤激光器暗化维护的暗化漂白装置和方法
WO2017008022A1 (en) 2015-07-08 2017-01-12 Nlight, Inc. Fiber with depressed central index for increased beam parameter product
EP3353584B1 (en) 2015-09-24 2020-06-10 NLIGHT, Inc. Beam parameter product (bpp) control by varying fiber-to-fiber angle
US11179807B2 (en) 2015-11-23 2021-11-23 Nlight, Inc. Fine-scale temporal control for laser material processing
CN108367389B (zh) 2015-11-23 2020-07-28 恩耐公司 激光加工方法和装置
WO2018075111A2 (en) * 2016-07-20 2018-04-26 University Of Rochester Lma fibers for suppression of thermal mode instability
US10673197B2 (en) 2016-09-29 2020-06-02 Nlight, Inc. Fiber-based optical modulator
US10730785B2 (en) 2016-09-29 2020-08-04 Nlight, Inc. Optical fiber bending mechanisms
EP3519871B1 (en) 2016-09-29 2025-02-26 NLIGHT, Inc. Adjustable beam characteristics
US10732439B2 (en) 2016-09-29 2020-08-04 Nlight, Inc. Fiber-coupled device for varying beam characteristics
US10673199B2 (en) 2016-09-29 2020-06-02 Nlight, Inc. Fiber-based saturable absorber
US10673198B2 (en) 2016-09-29 2020-06-02 Nlight, Inc. Fiber-coupled laser with time varying beam characteristics
US10211591B2 (en) 2016-10-13 2019-02-19 Nlight, Inc. Tandem pumped fiber amplifier
US11211765B2 (en) 2016-10-13 2021-12-28 Nlight, Inc. Tandem pumped fiber amplifier
CN106495470A (zh) * 2016-10-17 2017-03-15 中国科学院上海光学精密机械研究所 钕镱共掺杂石英激光玻璃及其制备方法
WO2018186920A2 (en) 2017-01-12 2018-10-11 Nlight, Inc. Tandem pumped fiber laser or fiber amplifier
JP6668272B2 (ja) * 2017-01-27 2020-03-18 株式会社フジクラ 増幅用光ファイバ
KR102133050B1 (ko) * 2018-11-15 2020-07-10 주식회사 하이로닉 레이저 시스템
CN109975922B (zh) * 2019-03-29 2020-11-24 华中科技大学 一种改善有源光纤光子暗化性能的光加固方法及系统
WO2020247673A1 (en) * 2019-06-05 2020-12-10 Nlight, Inc. Fiber laser insensitive aiming laser
CN111668688A (zh) * 2020-07-07 2020-09-15 中国人民解放军国防科技大学 一种三包层掺磷光纤以及基于掺磷光纤的拉曼光纤激光器
CN112068243B (zh) * 2020-08-13 2022-11-18 创昇光电科技(苏州)有限公司 大模场三包层光纤、其制备方法及光纤激光器
CN117410808A (zh) * 2023-11-28 2024-01-16 华南理工大学 高功率蓝光单频激光器

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808549A (en) * 1972-03-30 1974-04-30 Corning Glass Works Optical waveguide light source
US4033667A (en) * 1975-09-12 1977-07-05 Bell Telephone Laboratories, Incorporated Multimode optical fiber
JPS6011245A (ja) * 1983-06-28 1985-01-21 Agency Of Ind Science & Technol レ−ザ用ガラス
DE197943T1 (de) * 1984-10-01 1987-02-05 Polaroid Corp., Cambridge, Mass. Verst(gamma)rker frr optischen wellenleiter und laser.
JPS61151034A (ja) * 1984-12-26 1986-07-09 Nippon Sekiei Glass Kk 赤外光増幅用石英レ−ザ−ガラス
US4815079A (en) * 1987-12-17 1989-03-21 Polaroid Corporation Optical fiber lasers and amplifiers
US5173456A (en) * 1990-12-20 1992-12-22 Schott Glass Technologies, Inc. Phosphate glass useful in high energy lasers
US5225925A (en) * 1991-01-23 1993-07-06 Amoco Corporation Sensitized erbium fiber optical amplifier and source
JPH07507035A (ja) * 1992-06-03 1995-08-03 ザ ユニヴァーシティ オヴ シドニー 光伝送デバイスおよびその製造方法
JP2637891B2 (ja) * 1993-03-26 1997-08-06 日本電気株式会社 光導波路の製造方法
GB9409033D0 (en) * 1994-05-06 1994-06-29 Univ Southampton Optical fibre laser
JP3609519B2 (ja) * 1996-01-10 2005-01-12 独立行政法人科学技術振興機構 レーザ用中空微小球ガラス
US5818630A (en) * 1997-06-25 1998-10-06 Imra America, Inc. Single-mode amplifiers and compressors based on multi-mode fibers
US6154598A (en) * 1997-12-22 2000-11-28 Polaroid Corporation Laser composition for preventing photo-induced damage
US6321016B1 (en) * 1998-06-19 2001-11-20 Pirelli Cavi E Sistemi S.P.A. Optical fiber having low non-linearity for WDM transmission
FR2793241B1 (fr) * 1999-05-06 2002-03-08 Corning Inc Composition de verre borate dope a l erbium
US7068900B2 (en) * 1999-12-24 2006-06-27 Croteau Andre Multi-clad doped optical fiber
CA2293132C (en) * 1999-12-24 2007-03-06 Jocelyn Lauzon Triple-clad rare-earth doped optical fiber and applications
RU2158458C1 (ru) * 2000-02-08 2000-10-27 Научный центр волоконной оптики при Институте общей физики РАН Рамановский волоконный лазер
US6611372B1 (en) * 2000-06-09 2003-08-26 The Arizona Board Of Regents On Behalf Of The University Of Arizona Erbium and ytterbium co-doped phosphate glass optical fiber amplifiers using short active fiber length
US6636347B1 (en) 2000-11-08 2003-10-21 Corning Incorporated Phosphorus-silicate fibers suitable for extended band amplification
WO2003055017A1 (en) * 2001-12-21 2003-07-03 Pirelli & C. S.P.A. Raman amplification using a microstructured fiber
WO2003084007A1 (en) * 2002-03-28 2003-10-09 Fujitsu Limited Optical device having loss compensation function and optical amplifier for loss compensation
JP2004260104A (ja) 2003-02-27 2004-09-16 Fujikura Ltd 光増幅用ファイバ
WO2005013444A1 (en) * 2003-07-28 2005-02-10 Spi Lasers Uk Limited Eye safe high power fibre laser
KR20050028606A (ko) * 2003-09-19 2005-03-23 삼성전자주식회사 저손실 광섬유 및 광섬유 모재의 제조 방법
US7046902B2 (en) * 2003-09-30 2006-05-16 Coractive High-Tech Inc. Large mode field diameter optical fiber
CA2466970A1 (en) * 2004-05-12 2005-11-12 Coractive High-Tech Inc. Double-clad optical fibers
US7050686B2 (en) * 2004-08-05 2006-05-23 Nufern Fiber optic article with inner region
US7062137B2 (en) * 2004-08-05 2006-06-13 Nufern Fiber optic article including fluorine
US7477672B2 (en) * 2005-08-22 2009-01-13 The Board Of Trustees Of The Leland Stanford Junior University Mitigation of photodarkening to achieve laser oscillation and amplification with highly doped fibers
US7423803B1 (en) * 2006-01-09 2008-09-09 Np Photonics, Inc. 1-μm phosphate-glass fiber amplified spontaneous emission (ASE) source
KR101383197B1 (ko) * 2006-05-11 2014-04-09 에스피아이 레이저스 유케이 리미티드 광방사선 제공 장치
US8055115B2 (en) * 2007-07-05 2011-11-08 Coractive High-Tech Inc. Optically active glass and optical fiber with reduced photodarkening and method for reducing photodarkening

Also Published As

Publication number Publication date
US8270445B2 (en) 2012-09-18
EP2179480A4 (en) 2013-04-24
CN105305211A (zh) 2016-02-03
KR20100043207A (ko) 2010-04-28
JP2010533634A (ja) 2010-10-28
CA2693854A1 (en) 2009-01-22
CN101796697A (zh) 2010-08-04
KR101464583B1 (ko) 2014-12-23
JP5563978B2 (ja) 2014-07-30
IL203357A (en) 2016-03-31
CA2693854C (en) 2015-12-01
WO2009009888A1 (en) 2009-01-22
EP2179480B1 (en) 2015-01-21
EP2179480A1 (en) 2010-04-28
US20100202481A1 (en) 2010-08-12

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