JP2010278205A - Mopa光源 - Google Patents
Mopa光源 Download PDFInfo
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- JP2010278205A JP2010278205A JP2009128989A JP2009128989A JP2010278205A JP 2010278205 A JP2010278205 A JP 2010278205A JP 2009128989 A JP2009128989 A JP 2009128989A JP 2009128989 A JP2009128989 A JP 2009128989A JP 2010278205 A JP2010278205 A JP 2010278205A
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- 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
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- 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
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- 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
- H01S3/094061—Shared pump, i.e. pump light of a single pump source is used to pump plural gain media in parallel
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- 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
- H01S3/09408—Pump redundancy
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- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
- H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
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- 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
- H01S3/14—Lasers, 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
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
-
- 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
- H01S3/2316—Cascaded amplifiers
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
【解決手段】種光源10から出力された基本波の光は、増幅用光ファイバ41〜44において光増幅される。この光増幅された基本波の光は、受動光ファイバ45の一端に入力されて、受動光ファイバ45を伝搬する。受動光ファイバ45においては、基本波の伝搬の際に誘導ラマン散乱が生じる。受動光ファイバ45の他端からは基本波の光および誘導ラマン散乱成分の光が出力される。受動光ファイバ45から出力された光は、レンズ70によりコリメートされた後に分波器80に入力される。この分波器80に入力された光は、基本波より長波長の誘導ラマン散乱成分の光と、基本波の波長以下の波長の光とに、波長分離される。
【選択図】図1
Description
Claims (7)
- 基本波のパルス光を発生させる種光源と、
前記種光源から出力された基本波を光増幅する光ファイバ増幅部と、
前記光ファイバ増幅部により光増幅されて出力された基本波を入力して伝搬させ、この基本波の伝搬の際に誘導ラマン散乱を生じさせる受動光ファイバと、
前記受動光ファイバから出力される光を入力し、この入力した光を波長分離して、主として基本波より長波長の誘導ラマン散乱成分の光を出力する出力ポートを有する分波器と、
を備えることを特徴とするMOPA光源。 - 前記種光源に対してパルス光またはCW光を出力するよう指示する制御部を備えることを特徴とする請求項1に記載のMOPA光源。
- 前記分波器の前記出力ポートにおける基本波成分の抑圧比が1/10以下であることを特徴とする請求項1に記載のMOPA光源。
- 前記分波器の光入射面が、前記光入射面に入力される光の光路に垂直な方向に対して3度以上傾斜していることを特徴とする請求項1に記載のMOPA光源。
- 前記種光源が、希土類元素が添加された光増幅性導波路を有し、前記光増幅性導波路において基本波の増幅光を発生させることを特徴とする請求項1に記載のMOPA光源。
- 前記基本波の波長が、1.06μm帯であることを特徴とする請求項1に記載のMOPA光源。
- 前記種光源が、1/1000以上1/500以下のデューティ比となるように設定されていることを特徴とする請求項1に記載のMOPA光源。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009128989A JP5405904B2 (ja) | 2009-05-28 | 2009-05-28 | Mopa光源 |
US12/790,323 US8369004B2 (en) | 2009-05-28 | 2010-05-28 | MOPA light source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009128989A JP5405904B2 (ja) | 2009-05-28 | 2009-05-28 | Mopa光源 |
Publications (2)
Publication Number | Publication Date |
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JP2010278205A true JP2010278205A (ja) | 2010-12-09 |
JP5405904B2 JP5405904B2 (ja) | 2014-02-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009128989A Expired - Fee Related JP5405904B2 (ja) | 2009-05-28 | 2009-05-28 | Mopa光源 |
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US (1) | US8369004B2 (ja) |
JP (1) | JP5405904B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012196711A (ja) * | 2011-02-09 | 2012-10-18 | Sumitomo Electric Ind Ltd | レーザ加工方法 |
JP2019197081A (ja) * | 2018-05-07 | 2019-11-14 | ファナック株式会社 | レーザ発振器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5951601B2 (ja) * | 2011-05-24 | 2016-07-13 | 株式会社メガオプト | パルス光源 |
KR101329082B1 (ko) * | 2011-11-25 | 2013-11-14 | 한국원자력연구원 | 광섬유 레이저를 이용한 탄소 및 산소 동위원소 분리 방법 및 장치 |
JP2013229553A (ja) * | 2012-03-30 | 2013-11-07 | Gigaphoton Inc | レーザ装置及び極端紫外光生成装置 |
GB2505409B (en) | 2012-08-27 | 2016-08-03 | V-Gen Ltd | Generation of narrow line width high power optical pulses |
EP2994962B1 (en) * | 2013-05-10 | 2020-12-30 | Medizinisches Laserzentrum Lübeck GmbH | A coherent dynamically controllable narrow band light source |
KR102350424B1 (ko) * | 2016-07-01 | 2022-01-11 | 아이피지 포토닉스 코포레이션 | 기생 광 손실을 유도하기 위한 기구를 갖는 섬유 레이저 시스템 |
Citations (6)
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JPH04309929A (ja) * | 1991-04-08 | 1992-11-02 | Nippon Telegr & Teleph Corp <Ntt> | 長波長光源 |
JP2001156388A (ja) * | 1999-09-13 | 2001-06-08 | Nikon Corp | 波長安定化制御方法及び光源装置、露光方法及び露光装置、並びにデバイス製造方法及びデバイス |
JP2003536266A (ja) * | 2000-06-01 | 2003-12-02 | ジェネラル スキャニング インコーポレイテッド | 増幅され波長シフトされたパルス列を使用してターゲット材料を処理するためのエネルギー効率の良い方法及びシステム |
WO2008008678A2 (en) * | 2006-07-11 | 2008-01-17 | Mobius Photonics, Inc. | Light source with precisely controlled wavelength-converted average power |
JP2008147335A (ja) * | 2006-12-08 | 2008-06-26 | Hiroshi Ogawa | 複合レーザ光出力装置 |
JP2009101400A (ja) * | 2007-10-24 | 2009-05-14 | Sumitomo Electric Ind Ltd | レーザ加工装置及びレーザ加工方法 |
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US6445724B2 (en) * | 2000-02-23 | 2002-09-03 | Sarnoff Corporation | Master oscillator vertical emission laser |
WO2002084821A2 (en) * | 2001-04-11 | 2002-10-24 | University Of Southampton | Sources of, and methods for generating, optical pulses |
GB2395353B (en) * | 2002-02-18 | 2004-10-13 | Univ Southampton | Pulsed light sources |
US8040929B2 (en) * | 2004-03-25 | 2011-10-18 | Imra America, Inc. | Optical parametric amplification, optical parametric generation, and optical pumping in optical fibers systems |
US20050280887A1 (en) * | 2004-06-02 | 2005-12-22 | Betin Alexander A | Outcoupler with bragg grating and system and method using same |
US7508853B2 (en) * | 2004-12-07 | 2009-03-24 | Imra, America, Inc. | Yb: and Nd: mode-locked oscillators and fiber systems incorporated in solid-state short pulse laser systems |
JP2006313858A (ja) * | 2005-05-09 | 2006-11-16 | Sumitomo Electric Ind Ltd | レーザ光源、レーザ発振方法およびレーザ加工方法 |
US7391561B2 (en) * | 2005-07-29 | 2008-06-24 | Aculight Corporation | Fiber- or rod-based optical source featuring a large-core, rare-earth-doped photonic-crystal device for generation of high-power pulsed radiation and method |
CN101517848B (zh) * | 2006-05-11 | 2011-05-11 | Spi激光器英国有限公司 | 用于提供光辐射的设备 |
WO2008144443A1 (en) * | 2007-05-18 | 2008-11-27 | Gsi Group Corporation | Laser processing of conductive links |
US8081376B2 (en) * | 2007-06-06 | 2011-12-20 | Sumitomo Electric Industries, Ltd. | Multi-stage fiber amplifier to suppress Raman scattered light |
JP2010186816A (ja) * | 2009-02-10 | 2010-08-26 | Sumitomo Electric Ind Ltd | レーザ光源 |
-
2009
- 2009-05-28 JP JP2009128989A patent/JP5405904B2/ja not_active Expired - Fee Related
-
2010
- 2010-05-28 US US12/790,323 patent/US8369004B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04309929A (ja) * | 1991-04-08 | 1992-11-02 | Nippon Telegr & Teleph Corp <Ntt> | 長波長光源 |
JP2001156388A (ja) * | 1999-09-13 | 2001-06-08 | Nikon Corp | 波長安定化制御方法及び光源装置、露光方法及び露光装置、並びにデバイス製造方法及びデバイス |
JP2003536266A (ja) * | 2000-06-01 | 2003-12-02 | ジェネラル スキャニング インコーポレイテッド | 増幅され波長シフトされたパルス列を使用してターゲット材料を処理するためのエネルギー効率の良い方法及びシステム |
WO2008008678A2 (en) * | 2006-07-11 | 2008-01-17 | Mobius Photonics, Inc. | Light source with precisely controlled wavelength-converted average power |
JP2008147335A (ja) * | 2006-12-08 | 2008-06-26 | Hiroshi Ogawa | 複合レーザ光出力装置 |
JP2009101400A (ja) * | 2007-10-24 | 2009-05-14 | Sumitomo Electric Ind Ltd | レーザ加工装置及びレーザ加工方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012196711A (ja) * | 2011-02-09 | 2012-10-18 | Sumitomo Electric Ind Ltd | レーザ加工方法 |
JP2019197081A (ja) * | 2018-05-07 | 2019-11-14 | ファナック株式会社 | レーザ発振器 |
US10734783B2 (en) | 2018-05-07 | 2020-08-04 | Fanuc Corporation | Laser oscillator |
Also Published As
Publication number | Publication date |
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US8369004B2 (en) | 2013-02-05 |
JP5405904B2 (ja) | 2014-02-05 |
US20100302626A1 (en) | 2010-12-02 |
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