JP5405904B2 - Mopa光源 - Google Patents
Mopa光源 Download PDFInfo
- Publication number
- JP5405904B2 JP5405904B2 JP2009128989A JP2009128989A JP5405904B2 JP 5405904 B2 JP5405904 B2 JP 5405904B2 JP 2009128989 A JP2009128989 A JP 2009128989A JP 2009128989 A JP2009128989 A JP 2009128989A JP 5405904 B2 JP5405904 B2 JP 5405904B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- optical fiber
- output
- mopa
- 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.)
- Expired - Fee Related
Links
Images
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
- H01S3/30—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
-
- 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
- H01S3/09—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
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Description
Claims (6)
- 基本波のパルス光およびCW光のうち一方を選択的に出力する種光源と、
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、この基本波のパルス光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加工対象物へ向けて出力する出力ポートを有する分波器と、
前記加工対象物の加工時に前記種光源に対してパルス光を出力するよう指示し、前記加工対象物の非加工時に前記種光源に対してCW光を出力するよう指示する制御部と、
を備え、
前記加工対象物の加工時に前記種光源からパルス光を出力させることで前記受動光ファイバにおいて誘導ラマン散乱を生じさせ、
前記加工対象物の非加工時に前記種光源からCW光を出力させることで前記受動光ファイバにおける誘導ラマン散乱の発生を抑制する、
ことを特徴とする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。
- 前記種光源から出力される基本波のパルス光が、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 |
---|---|
JP2010278205A JP2010278205A (ja) | 2010-12-09 |
JP5405904B2 true JP5405904B2 (ja) | 2014-02-05 |
Family
ID=43219909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009128989A Expired - Fee Related JP5405904B2 (ja) | 2009-05-28 | 2009-05-28 | Mopa光源 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8369004B2 (ja) |
JP (1) | JP5405904B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8933367B2 (en) * | 2011-02-09 | 2015-01-13 | Sumitomo Electric Industries, Ltd. | Laser processing method |
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 |
US9515452B2 (en) * | 2013-05-10 | 2016-12-06 | Ludwig-Maximilians-Universität München | Coherent dynamically controllable narrow band light source |
US10978848B2 (en) * | 2016-07-01 | 2021-04-13 | Ipg Photonics Corporation | Fiber laser system with mechanism for inducing parasitic light losses |
JP6744357B2 (ja) | 2018-05-07 | 2020-08-19 | ファナック株式会社 | レーザ発振器 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US6340806B1 (en) * | 1999-12-28 | 2002-01-22 | General Scanning Inc. | Energy-efficient method and system for processing target material using an amplified, wavelength-shifted pulse train |
US6445724B2 (en) * | 2000-02-23 | 2002-09-03 | Sarnoff Corporation | Master oscillator vertical emission laser |
AU2002246261A1 (en) * | 2001-04-11 | 2002-10-28 | University Of Southampton | Sources of, and methods for generating, optical pulses |
GB2385460B (en) * | 2002-02-18 | 2004-04-14 | Univ Southampton | "Pulsed light sources" |
EP1812823A4 (en) * | 2004-03-25 | 2009-08-05 | Imra America Inc | OPTICAL PARAMETRIC REINFORCEMENT, OPTICAL PARAMETRIC GENERATION AND OPTICAL PUMPING IN FIBER OPTICAL 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 |
EP2763247A3 (en) * | 2006-05-11 | 2014-09-17 | SPI Lasers UK Limited | Apparatus for providing optical radiation |
US7529281B2 (en) * | 2006-07-11 | 2009-05-05 | 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 |
US8106329B2 (en) * | 2007-05-18 | 2012-01-31 | 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 |
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 |
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
Also Published As
Publication number | Publication date |
---|---|
JP2010278205A (ja) | 2010-12-09 |
US8369004B2 (en) | 2013-02-05 |
US20100302626A1 (en) | 2010-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5405904B2 (ja) | Mopa光源 | |
JP6014579B2 (ja) | 高出力の短小光パルス供給源 | |
JP5185929B2 (ja) | ファイバレーザ | |
US8248688B2 (en) | Tandem photonic amplifier | |
US7443903B2 (en) | Laser apparatus having multiple synchronous amplifiers tied to one master oscillator | |
JP5198292B2 (ja) | 反射光耐性の優れたファイバレーザ | |
US20090010288A1 (en) | Fiber mopa system without stimulated brillouin scattering | |
JP2012527019A (ja) | 高出力カスケード型ラマン・ファイバ・レーザでの逆方向発振を抑制するためのシステムおよび技術 | |
JP2014057085A (ja) | 光増幅モジュールおよびレーザ光源装置 | |
WO2016143071A1 (ja) | 固体レーザ装置、ファイバ増幅器システム、および固体レーザシステム | |
JP2007096039A (ja) | 光源装置 | |
JP2011243832A (ja) | ファイバレーザ加工装置 | |
JP4910328B2 (ja) | 光増幅装置およびレーザ光源装置 | |
Nilsson et al. | Cladding-pumped Raman fiber amplifier | |
Romano et al. | kW class nanosecond polarization-maintaining holmium MOPA at 2050 nm and 2090 nm | |
JP2012044224A (ja) | 光増幅装置およびレーザ光源装置 | |
JP2008227341A (ja) | 高繰り返し高ピーク出力ファイバレーザ | |
JP2008198874A (ja) | パルスレーザ装置 | |
JP2008235806A (ja) | 光パルス発生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120223 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20130215 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130313 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130409 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130607 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130813 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131008 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131029 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20131031 |
|
LAPS | Cancellation because of no payment of annual fees |