ATE483265T1 - Vorrichtung und verfahren zur materialverarbeitung mittels laser - Google Patents

Vorrichtung und verfahren zur materialverarbeitung mittels laser

Info

Publication number
ATE483265T1
ATE483265T1 AT08775901T AT08775901T ATE483265T1 AT E483265 T1 ATE483265 T1 AT E483265T1 AT 08775901 T AT08775901 T AT 08775901T AT 08775901 T AT08775901 T AT 08775901T AT E483265 T1 ATE483265 T1 AT E483265T1
Authority
AT
Austria
Prior art keywords
amplifier
pump
laser
optical
seed
Prior art date
Application number
AT08775901T
Other languages
English (en)
Inventor
Andrew Appleyard
Duncan Walker
Roland Neal
Original Assignee
Spi Lasers Uk 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 Spi Lasers Uk Ltd filed Critical Spi Lasers Uk Ltd
Application granted granted Critical
Publication of ATE483265T1 publication Critical patent/ATE483265T1/de

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
    • H01S3/09—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
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
    • B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • 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
    • H01S3/1001—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by controlling the optical pumping
    • 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
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H01S3/094007—Cladding pumping, i.e. pump light propagating in a clad surrounding the active core
    • 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
    • H01S3/094042—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser
    • 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
    • H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
    • 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
    • H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
    • H01S3/1024—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping for pulse generation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
  • Laser Beam Processing (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
AT08775901T 2007-07-09 2008-07-09 Vorrichtung und verfahren zur materialverarbeitung mittels laser ATE483265T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0713265.7A GB0713265D0 (en) 2007-07-09 2007-07-09 Apparatus and method for laser processing a material
PCT/GB2008/002357 WO2009007721A2 (en) 2007-07-09 2008-07-09 Apparatus and method for laser processing a material

Publications (1)

Publication Number Publication Date
ATE483265T1 true ATE483265T1 (de) 2010-10-15

Family

ID=38440618

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08775901T ATE483265T1 (de) 2007-07-09 2008-07-09 Vorrichtung und verfahren zur materialverarbeitung mittels laser

Country Status (11)

Country Link
US (1) US20100177797A1 (de)
EP (1) EP2165394B1 (de)
JP (1) JP2010533373A (de)
KR (1) KR101480932B1 (de)
CN (1) CN101689747B (de)
AT (1) ATE483265T1 (de)
CA (1) CA2693496C (de)
DE (1) DE602008002842D1 (de)
DK (1) DK2165394T3 (de)
GB (1) GB0713265D0 (de)
WO (1) WO2009007721A2 (de)

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GB2445771A (en) * 2007-01-19 2008-07-23 Gsi Group Ltd A diode pumped CW laser
JP5371838B2 (ja) * 2010-03-10 2013-12-18 株式会社フジクラ ファイバレーザ装置
EP2586108B1 (de) 2010-06-28 2015-01-21 Megaopto Co., Ltd. Lasergerät
DE102010044128A1 (de) * 2010-11-18 2012-05-24 Bundesdruckerei Gmbh Laservorrichtung und Verfahren zur Bearbeitung von Gegenständen mit einem in der Pulsenergie steuerbaren Laser
RU2480875C2 (ru) * 2011-01-31 2013-04-27 Ооо "Научно-Техническое Объединение "Ирэ-Полюс" Способ дифференциального контроля инверсии населенности лазерной среды и устройство его реализующее
US20120250707A1 (en) * 2011-03-31 2012-10-04 Electro Scientific Industries, Inc. Stabilization of pulsed mode seed lasers
JP5817215B2 (ja) * 2011-05-26 2015-11-18 オムロン株式会社 光増幅装置およびレーザ加工装置
RU2498468C1 (ru) * 2012-04-20 2013-11-10 Общество С Ограниченной Ответственностью "Научно-Техническое Объединение "Ирэ-Полюс" Способ дифференциального контроля инверсии населенности лазерной среды и устройство его реализующее (варианты)
US20140241387A1 (en) * 2013-02-22 2014-08-28 Raytheon Company Multiple-current-source laser diode driver system
US10305252B2 (en) 2014-10-15 2019-05-28 Lumentum Operations Llc Laser system and method of tuning the output power of the laser system
JP6473504B2 (ja) 2015-07-14 2019-02-20 ギガフォトン株式会社 エキシマレーザ装置
KR101787526B1 (ko) * 2016-02-25 2017-10-18 주식회사 이오테크닉스 레이저 장치 및 레이저 발생 방법
JP7558885B2 (ja) * 2021-05-12 2024-10-01 日本発條株式会社 レーザ溶接装置と、レーザ溶接方法
US20240278351A1 (en) * 2021-07-01 2024-08-22 Fanuc Corporation Laser machining device and numerical control device

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JP2859386B2 (ja) * 1990-07-02 1999-02-17 日本電信電話株式会社 双方向光ファイバ増幅器
JPH0653588A (ja) * 1992-07-31 1994-02-25 Nec Corp 光ファイバアンプ
US5867305A (en) * 1996-01-19 1999-02-02 Sdl, Inc. Optical amplifier with high energy levels systems providing high peak powers
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
US5998759A (en) * 1996-12-24 1999-12-07 General Scanning, Inc. Laser processing
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Also Published As

Publication number Publication date
DE602008002842D1 (de) 2010-11-11
KR20100041803A (ko) 2010-04-22
CN101689747B (zh) 2011-07-27
EP2165394B1 (de) 2010-09-29
US20100177797A1 (en) 2010-07-15
GB0713265D0 (en) 2007-08-15
WO2009007721A3 (en) 2009-07-30
KR101480932B1 (ko) 2015-01-12
CA2693496A1 (en) 2009-01-15
WO2009007721A2 (en) 2009-01-15
DK2165394T3 (da) 2011-01-03
CA2693496C (en) 2016-02-09
EP2165394A2 (de) 2010-03-24
CN101689747A (zh) 2010-03-31
JP2010533373A (ja) 2010-10-21

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