WO2008096863A1 - ファイバレーザ - Google Patents

ファイバレーザ Download PDF

Info

Publication number
WO2008096863A1
WO2008096863A1 PCT/JP2008/052168 JP2008052168W WO2008096863A1 WO 2008096863 A1 WO2008096863 A1 WO 2008096863A1 JP 2008052168 W JP2008052168 W JP 2008052168W WO 2008096863 A1 WO2008096863 A1 WO 2008096863A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber
signal light
raman amplification
fiber laser
light source
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.)
Ceased
Application number
PCT/JP2008/052168
Other languages
English (en)
French (fr)
Inventor
Tomoharu Kitabayashi
Tetsuya Sakai
Michihiro Nakai
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.)
Fujikura Ltd
Original Assignee
Fujikura Ltd
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 Fujikura Ltd filed Critical Fujikura Ltd
Priority to EP08711047.4A priority Critical patent/EP2106628B1/en
Priority to JP2008557172A priority patent/JP5124490B2/ja
Priority to CN2008800010218A priority patent/CN101569066B/zh
Publication of WO2008096863A1 publication Critical patent/WO2008096863A1/ja
Priority to US12/496,200 priority patent/US8548013B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
    • H01S3/2333—Double-pass amplifiers
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0064—Anti-reflection devices, e.g. optical isolaters
    • 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
    • H01S3/06754—Fibre amplifiers
    • H01S3/06758—Tandem amplifiers
    • 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2375—Hybrid lasers
    • 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
    • H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
    • H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

　信号光を出力する信号光源と、前記信号光源からの前記信号光を増幅して出力する希土類元素ドープファイバと、を有するファイバレーザは、前記希土類元素ドープファイバの出力光を外部に出力するための光伝送路の一部として配設されたラマン増幅ファイバと、前記ラマン増幅ファイバから前記信号光源への光伝送路に設けられ、前記ラマン増幅ファイバにおいて発生したストークス光を透過させない波長選択素子と、を備える。
PCT/JP2008/052168 2007-02-09 2008-02-08 ファイバレーザ Ceased WO2008096863A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08711047.4A EP2106628B1 (en) 2007-02-09 2008-02-08 Fiber laser
JP2008557172A JP5124490B2 (ja) 2007-02-09 2008-02-08 ファイバレーザ
CN2008800010218A CN101569066B (zh) 2007-02-09 2008-02-08 光纤激光器
US12/496,200 US8548013B2 (en) 2007-02-09 2009-07-01 Fiber laser

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-030274 2007-02-09
JP2007030274 2007-02-09
JP2007216473 2007-08-22
JP2007-216473 2007-08-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/496,200 Continuation US8548013B2 (en) 2007-02-09 2009-07-01 Fiber laser

Publications (1)

Publication Number Publication Date
WO2008096863A1 true WO2008096863A1 (ja) 2008-08-14

Family

ID=39681764

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052168 Ceased WO2008096863A1 (ja) 2007-02-09 2008-02-08 ファイバレーザ

Country Status (5)

Country Link
US (1) US8548013B2 (ja)
EP (1) EP2106628B1 (ja)
JP (1) JP5124490B2 (ja)
CN (1) CN101569066B (ja)
WO (1) WO2008096863A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010073645A1 (ja) * 2008-12-26 2010-07-01 株式会社フジクラ ファイバレーザ装置
JP7237261B1 (ja) * 2022-08-02 2023-03-10 三菱電機株式会社 開口数可変装置、レーザ装置およびレーザ加工機

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Publication number Priority date Publication date Assignee Title
US9347271B2 (en) * 2008-10-17 2016-05-24 Foro Energy, Inc. Optical fiber cable for transmission of high power laser energy over great distances
WO2011118817A1 (ja) * 2010-03-26 2011-09-29 株式会社フジクラ レーザ装置
IL221918A (en) * 2012-09-12 2016-11-30 V-Gen Ltd Optically isolated
CN106575848B (zh) * 2014-07-04 2019-11-26 古河电气工业株式会社 光纤激光装置
JP6422454B2 (ja) * 2016-01-26 2018-11-14 株式会社フジクラ ファイバレーザシステム、製造方法、及び加工方法
JP6523511B1 (ja) * 2018-03-30 2019-06-05 株式会社フジクラ ファイバレーザ装置、ファイバレーザ装置の製造方法、及び、設定方法
CN109980494A (zh) * 2019-03-21 2019-07-05 大族激光科技产业集团股份有限公司 一种拉曼光的监控方法及光纤激光装置

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS5870140A (ja) 1981-10-21 1983-04-26 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ破断点検出装置
JP2753539B2 (ja) 1989-07-28 1998-05-20 日本電信電話株式会社 光ファイバ増幅器
JP3567233B2 (ja) 1996-01-19 2004-09-22 ジェイディーエス ユニフェイズ コーポレーション 高エネルギーレベルを有する高ピークパワーを供給する光増幅器
JP2005102107A (ja) * 2003-08-28 2005-04-14 Nippon Telegr & Teleph Corp <Ntt> 信号光反射阻止回路、遠隔励起ユニットおよび光伝送システム

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US3657554A (en) 1969-06-30 1972-04-18 Ibm Super-radiant short pulse laser
DE3919673A1 (de) * 1989-06-16 1991-01-03 Uranit Gmbh Verfahren zur konversion von laserstrahlung in einen anderen wellenlaengenbereich durch ramanstreuung und anordnung zur durchfuehrung des verfahrens
US5272717A (en) * 1992-01-17 1993-12-21 Hughes Aircraft Company Single focus backward Raman laser
JP4637306B2 (ja) 1999-03-30 2011-02-23 パナソニック株式会社 ウィンドウ表示装置
GB9907655D0 (en) * 1999-04-01 1999-05-26 Secr Defence A photonic crystal fibre and a method for its production
US6885683B1 (en) * 2000-05-23 2005-04-26 Imra America, Inc. Modular, high energy, widely-tunable ultrafast fiber source
JP2002006348A (ja) * 2000-06-21 2002-01-09 Mitsubishi Electric Corp 光増幅器
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US6556342B1 (en) * 2002-05-31 2003-04-29 Corning Incorporated Thulium doped fiber pump for pumping Raman amplifiers
JP2004163558A (ja) * 2002-11-12 2004-06-10 Mitsubishi Electric Corp 光波長変換装置
US20050078714A1 (en) * 2003-10-08 2005-04-14 Hiroshi Komine High power fiber laser with eye safe wavelengths
KR100535772B1 (ko) * 2003-12-26 2005-12-09 한국전자통신연구원 마이크로웨이브 포토닉스 시스템용 광 반송파 발생 장치및 그 방법
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Publication number Priority date Publication date Assignee Title
JPS5870140A (ja) 1981-10-21 1983-04-26 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ破断点検出装置
JP2753539B2 (ja) 1989-07-28 1998-05-20 日本電信電話株式会社 光ファイバ増幅器
JP3567233B2 (ja) 1996-01-19 2004-09-22 ジェイディーエス ユニフェイズ コーポレーション 高エネルギーレベルを有する高ピークパワーを供給する光増幅器
JP2005102107A (ja) * 2003-08-28 2005-04-14 Nippon Telegr & Teleph Corp <Ntt> 信号光反射阻止回路、遠隔励起ユニットおよび光伝送システム

Non-Patent Citations (2)

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Title
G. BOUWMANS: "Fabrication and characterization of an all solid 2D photonic bandgap fiber with a low loss region (< 20 dB/km) around 1550 nm", OPTICS EXPRESS 17, vol. 13, no. 21, 2005, pages 8, XP009168645, DOI: doi:10.1364/OPEX.13.008452
See also references of EP2106628A4

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010073645A1 (ja) * 2008-12-26 2010-07-01 株式会社フジクラ ファイバレーザ装置
CN102265473A (zh) * 2008-12-26 2011-11-30 株式会社藤仓 光纤激光装置
US8391323B2 (en) 2008-12-26 2013-03-05 Fujikura Ltd. Fiber laser device
JP5269910B2 (ja) * 2008-12-26 2013-08-21 株式会社フジクラ ファイバレーザ装置
CN102265473B (zh) * 2008-12-26 2013-11-06 株式会社藤仓 光纤激光装置
EP2381543A4 (en) * 2008-12-26 2017-10-25 Fujikura Co., Ltd. Fiber laser apparatus
JP7237261B1 (ja) * 2022-08-02 2023-03-10 三菱電機株式会社 開口数可変装置、レーザ装置およびレーザ加工機
WO2024028972A1 (ja) * 2022-08-02 2024-02-08 三菱電機株式会社 開口数可変装置、レーザ装置およびレーザ加工機
DE112022007071B4 (de) * 2022-08-02 2026-04-23 Mitsubishi Electric Corporation Vorrichtung zum Ändern der numerischen Apertur, Laservorrichtung und Laserstrahlmaschine

Also Published As

Publication number Publication date
US8548013B2 (en) 2013-10-01
JPWO2008096863A1 (ja) 2010-05-27
US20090274175A1 (en) 2009-11-05
EP2106628A1 (en) 2009-10-07
CN101569066B (zh) 2013-04-24
JP5124490B2 (ja) 2013-01-23
CN101569066A (zh) 2009-10-28
EP2106628A4 (en) 2015-07-01
EP2106628B1 (en) 2016-09-07

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