DE69004005T2 - Laser. - Google Patents

Laser.

Info

Publication number
DE69004005T2
DE69004005T2 DE90305133T DE69004005T DE69004005T2 DE 69004005 T2 DE69004005 T2 DE 69004005T2 DE 90305133 T DE90305133 T DE 90305133T DE 69004005 T DE69004005 T DE 69004005T DE 69004005 T2 DE69004005 T2 DE 69004005T2
Authority
DE
Germany
Prior art keywords
laser
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
Application number
DE90305133T
Other languages
English (en)
Other versions
DE69004005D1 (de
Inventor
Graham Burrows
James Morriss Burch
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.)
Lumonics Ltd
Original Assignee
Lumonics 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 Lumonics Ltd filed Critical Lumonics Ltd
Application granted granted Critical
Publication of DE69004005D1 publication Critical patent/DE69004005D1/de
Publication of DE69004005T2 publication Critical patent/DE69004005T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • 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
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08072—Thermal lensing or thermally induced birefringence; Compensation thereof
    • 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
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
    • 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)
DE90305133T 1989-06-02 1990-05-11 Laser. Expired - Fee Related DE69004005T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898912765A GB8912765D0 (en) 1989-06-02 1989-06-02 A laser

Publications (2)

Publication Number Publication Date
DE69004005D1 DE69004005D1 (de) 1993-11-25
DE69004005T2 true DE69004005T2 (de) 1994-02-17

Family

ID=10657807

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90305133T Expired - Fee Related DE69004005T2 (de) 1989-06-02 1990-05-11 Laser.

Country Status (5)

Country Link
US (1) US5001718A (de)
EP (1) EP0400830B1 (de)
JP (1) JPH03214682A (de)
DE (1) DE69004005T2 (de)
GB (1) GB8912765D0 (de)

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DE3930495C2 (de) * 1989-09-12 1996-11-07 Rofin Sinar Laser Gmbh Einrichtung zum Einstellen von Fokusdurchmesser und Fokuslage eines Laserstrahls
FR2663793A1 (fr) * 1990-06-20 1991-12-27 Najnudel Jacques Generateur de faisceau laser.
US5132980A (en) * 1991-02-13 1992-07-21 Coherent, Inc. Method and device for preconditioning a laser having a solid state gain medium
JPH05145148A (ja) * 1991-11-25 1993-06-11 Sony Corp 固体レーザ共振器
US5383060A (en) * 1992-11-20 1995-01-17 Litton Systems, Inc. Dynamic compensating laser telescope apparatus
US5375132A (en) * 1993-05-05 1994-12-20 Coherent, Inc. Solid state laser with interleaved output
US5467214A (en) * 1993-11-12 1995-11-14 Trw Inc. Birefringence-compensated alignment-insensitive frequency doubler
US5455838A (en) * 1993-11-15 1995-10-03 Hoya Corporation Side pumping arrangement
US5386427A (en) * 1994-02-10 1995-01-31 Massachusetts Institute Of Technology Thermally controlled lenses for lasers
US5461637A (en) * 1994-03-16 1995-10-24 Micracor, Inc. High brightness, vertical cavity semiconductor lasers
GB9501412D0 (en) * 1995-01-25 1995-03-15 Lumonics Ltd Laser apparatus
GB9511688D0 (en) * 1995-06-09 1995-08-02 Lumonics Ltd Laser system
JPH09266336A (ja) * 1996-03-27 1997-10-07 Mitsubishi Electric Corp 固体レーザ発振器及びこの固体レーザ発振器を用いた加工機械
US5956354A (en) * 1996-06-06 1999-09-21 The University Of Maryland Baltimore County Dual media laser with mode locking
US5867519A (en) * 1996-08-07 1999-02-02 Lumonics Inc. Multiple element, folded beam laser
US5912912A (en) * 1997-09-05 1999-06-15 Coherent, Inc. Repetitively-pulsed solid-state laser having resonator including multiple different gain-media
US6178040B1 (en) 1998-06-25 2001-01-23 Trw Inc. Laser with two orthogonal zig-zag slab gain media for optical phase distortion compensation
US6128138A (en) * 1999-07-15 2000-10-03 W. A. Whitney Co. Reflective laser collimator
JP2001168429A (ja) * 1999-12-03 2001-06-22 Mitsubishi Electric Corp 固体レーザ発振器
FR2803697B1 (fr) * 2000-01-06 2003-05-30 Cilas Element actif pour source laser et source laser comportant un tel element actif
JP2002372506A (ja) * 2001-06-13 2002-12-26 Nippon Sheet Glass Co Ltd 光熱変換分光分析方法、及びその方法を実行する光熱変換分光分析装置
CN1295823C (zh) * 2004-06-25 2007-01-17 宁波大学 一种激光棒热透镜效应补偿装置和补偿方法
JP3998067B2 (ja) * 2004-11-29 2007-10-24 オムロンレーザーフロント株式会社 固体レーザ発振器
JP4910698B2 (ja) * 2005-09-14 2012-04-04 三菱電機株式会社 ロッド型固体レーザ装置
JP5013699B2 (ja) * 2005-10-21 2012-08-29 株式会社キーエンス ３次元加工データ設定装置、３次元加工データ設定方法、３次元加工データ設定プログラム、コンピュータで読み取り可能な記録媒体及び記録した機器並びにレーザ加工装置
US7620092B2 (en) * 2006-06-06 2009-11-17 Coherent, Inc. Multimode MOPA with thermal lens compensation
JP5132900B2 (ja) * 2006-06-28 2013-01-30 株式会社キーエンス レーザ加工条件設定装置、レーザ加工装置、レーザ加工条件設定方法、レーザ加工条件設定プログラム
JP4958489B2 (ja) * 2006-06-30 2012-06-20 株式会社キーエンス レーザ加工装置、レーザ加工条件設定装置、レーザ加工条件設定方法、レーザ加工条件設定プログラム
JP4795886B2 (ja) * 2006-07-27 2011-10-19 株式会社キーエンス レーザ加工装置、レーザ加工条件設定装置、レーザ加工条件設定方法、レーザ加工条件設定プログラム
JP4956107B2 (ja) * 2006-09-15 2012-06-20 株式会社キーエンス レーザ加工データ生成装置、レーザ加工データ生成方法、コンピュータプログラム及びレーザマーキングシステム
DE102007060344A1 (de) 2007-12-14 2009-06-18 Alpha Laser Gmbh Materialbearbeitungslaser mit Teleskop
ES2530069T3 (es) * 2011-09-05 2015-02-26 ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung Aparato de marcado con una pluralidad de láseres y un dispositivo de desviación de combinación
ES2544269T3 (es) * 2011-09-05 2015-08-28 ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung Aparato de marcado con una pluralidad de láseres de gas con tubos de resonancia y medios de deflexión ajustables individualmente
EP2564976B1 (de) 2011-09-05 2015-06-10 ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung Markierungsvorrichtung mit mindestens einem Gaslaser und einer Kühleinrichtung
ES2438751T3 (es) 2011-09-05 2014-01-20 ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung Dispositivo y procedimiento para marcar un objeto por medio de un rayo láser
EP2564972B1 (de) * 2011-09-05 2015-08-26 ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung Markierungsvorrichtung mith mehreren Lasern, Deflektionmitteln und Telescopikmitteln für jeden Laserstrahl
EP2565996B1 (de) 2011-09-05 2013-12-11 ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung Lasergerät mit Lasereinheit und Flüssigkeitsbehälter für eine Kühlvorrichtung dieser Lasereinheit
DK2564975T3 (en) * 2011-09-05 2015-01-12 Alltec Angewandte Laserlicht Technologie Ges Mit Beschränkter Haftung Selection apparatus with a plurality of lasers and sets of deflecting agents that can be individually adjusted
DK2565994T3 (en) 2011-09-05 2014-03-10 Alltec Angewandte Laserlicht Technologie Gmbh Laser device and method for marking an object
JP2013135075A (ja) * 2011-12-26 2013-07-08 Gigaphoton Inc 固体レーザ増幅器、レーザ光増幅器、固体レーザ装置、およびレーザ装置
US20160094003A1 (en) * 2014-09-30 2016-03-31 Masayuki Numata Laser device, ignition system, and internal combustion engine
KR101750821B1 (ko) * 2015-04-24 2017-07-11 학교법인 한동대학교 레이저 증폭장치
US10394042B1 (en) * 2016-01-19 2019-08-27 Lockheed Martin Coherent Technologies, Inc. Spatial filters with high power handling capabilities
JP2018091931A (ja) * 2016-11-30 2018-06-14 澁谷工業株式会社 テラヘルツ光発生装置
US11588293B2 (en) * 2017-11-21 2023-02-21 Taiwan Semiconductor Manufacturing Co., Ltd. Methods and systems for aligning master oscillator power amplifier systems
CN113432837A (zh) * 2021-06-07 2021-09-24 中国科学院上海光学精密机械研究所 晶体热透镜焦距的测量装置及其测量方法

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GB1260692A (en) * 1968-12-18 1972-01-19 Impulsphysik Gmbh Improvements in and relating to optical shutters
US3628180A (en) * 1969-05-12 1971-12-14 Joseph P Segre Two-slab laser system with compensation for lens power
US3798571A (en) * 1969-06-09 1974-03-19 American Optical Corp Slab laser system with means to overcome the positive lens effect caused by the thermal gradient in the laser rod
US3662281A (en) * 1970-02-11 1972-05-09 Union Carbide Corp Method and means for compensating birefringence in laser systems
JPS50134590A (de) * 1974-04-10 1975-10-24
US4021754A (en) * 1976-02-17 1977-05-03 Sanders Associates, Inc. Variable curvature optics for lasers
IL78936A (en) * 1986-05-27 1990-02-09 Electro Optics Ind Ltd Laser apparatus
US4949358A (en) * 1988-04-25 1990-08-14 Coherent, Inc. Ring laser with improved beam quality
US4858239A (en) * 1988-05-26 1989-08-15 Elop Electrooptics Industries Ltd. Laser system
JPH0246787A (ja) * 1988-08-09 1990-02-16 Nec Corp パルス発振固体レーザ装置
JP2666441B2 (ja) * 1988-12-09 1997-10-22 三菱電機株式会社 固体レーザ装置
US4955725A (en) * 1989-02-17 1990-09-11 Spectra Physics Laser oscillator/amplifier with compensation for stress birefringence

Also Published As

Publication number Publication date
DE69004005D1 (de) 1993-11-25
EP0400830B1 (de) 1993-10-20
GB8912765D0 (en) 1989-07-19
EP0400830A2 (de) 1990-12-05
JPH03214682A (ja) 1991-09-19
US5001718A (en) 1991-03-19
EP0400830A3 (de) 1991-10-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee