DE69812119D1 - Wiederholt gepulster festkörperlaserresonator mit mehreren verschiedenen verstärkungsmedien - Google Patents

Wiederholt gepulster festkörperlaserresonator mit mehreren verschiedenen verstärkungsmedien

Info

Publication number
DE69812119D1
DE69812119D1 DE69812119T DE69812119T DE69812119D1 DE 69812119 D1 DE69812119 D1 DE 69812119D1 DE 69812119 T DE69812119 T DE 69812119T DE 69812119 T DE69812119 T DE 69812119T DE 69812119 D1 DE69812119 D1 DE 69812119D1
Authority
DE
Germany
Prior art keywords
several different
laser resonator
solid laser
pulsed solid
different reinforcement
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
DE69812119T
Other languages
English (en)
Other versions
DE69812119T2 (de
Inventor
Andrea Caprara
A Spinelli
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.)
Coherent Inc
Original Assignee
Coherent Inc
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 Coherent Inc filed Critical Coherent Inc
Application granted granted Critical
Publication of DE69812119D1 publication Critical patent/DE69812119D1/de
Publication of DE69812119T2 publication Critical patent/DE69812119T2/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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/117—Q-switching using intracavity acousto-optic devices
    • 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
    • H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic 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
    • H01S3/005—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
    • H01S3/05—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
    • 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
    • H01S3/05—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
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/0813—Configuration of resonator
    • H01S3/0816—Configuration of resonator having 4 reflectors, e.g. Z-shaped resonators
    • 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
    • H01S3/094049—Guiding of the pump light
    • H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
    • 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
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10038—Amplitude control
    • H01S3/10046—Pulse repetition rate control
    • 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
    • H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
    • 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
    • H01S3/163—Solid materials characterised by a crystal matrix
    • H01S3/164—Solid materials characterised by a crystal matrix garnet
    • H01S3/1643—YAG
    • 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
    • H01S3/163—Solid materials characterised by a crystal matrix
    • H01S3/1645—Solid materials characterised by a crystal matrix halide
    • H01S3/1653—YLiF4(YLF, LYF)
    • 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
    • H01S3/163—Solid materials characterised by a crystal matrix
    • H01S3/1671—Solid materials characterised by a crystal matrix vanadate, niobate, tantalate
    • H01S3/1673—YVO4 [YVO]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
DE69812119T 1997-09-05 1998-08-12 Wiederholt gepulster festkörperlaserresonator mit mehreren verschiedenen verstärkungsmedien Expired - Fee Related DE69812119T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US924176 1997-09-05
US08/924,176 US5912912A (en) 1997-09-05 1997-09-05 Repetitively-pulsed solid-state laser having resonator including multiple different gain-media
PCT/US1998/016722 WO1999013540A2 (en) 1997-09-05 1998-08-12 Repetitively-pulsed solid-state laser having resonator including multiple different gain-media

Publications (2)

Publication Number Publication Date
DE69812119D1 true DE69812119D1 (de) 2003-04-17
DE69812119T2 DE69812119T2 (de) 2004-01-08

Family

ID=25449818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69812119T Expired - Fee Related DE69812119T2 (de) 1997-09-05 1998-08-12 Wiederholt gepulster festkörperlaserresonator mit mehreren verschiedenen verstärkungsmedien

Country Status (5)

Country Link
US (2) US5912912A (de)
EP (1) EP1010219B1 (de)
JP (1) JP2003524872A (de)
DE (1) DE69812119T2 (de)
WO (1) WO1999013540A2 (de)

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US6157663A (en) * 1998-04-16 2000-12-05 3D Systems, Inc. Laser with optimized coupling of pump light to a gain medium in a side-pumped geometry
JP2000214506A (ja) * 1998-11-03 2000-08-04 Toshiba Research Europe Ltd 放射光線源及び撮像システム
US7006193B2 (en) * 1999-05-10 2006-02-28 Au Optronics Corporation Method of sealing two substrates with a non-epoxy or epoxy-acrylate sealant using laser radiation
AT410732B (de) * 1999-07-07 2003-07-25 Femtolasers Produktions Gmbh Dispersiver mehrschichtiger spiegel
DE19934638B4 (de) * 1999-07-23 2004-07-08 Jenoptik Ldt Gmbh Modensynchronisierter Festkörperlaser mit mindestens einem konkaven Faltungsspiegel
US6414980B1 (en) 1999-10-12 2002-07-02 Coherent, Inc. Laser rod thermalization
JP4613272B2 (ja) * 2000-05-10 2011-01-12 独立行政法人理化学研究所 レーザー共振器およびその調整方法
AU2001276159B2 (en) * 2000-07-26 2006-09-21 Macquarie University A stable solid state raman laser and a method of operating same
AUPQ901400A0 (en) * 2000-07-26 2000-08-17 Macquarie Research Limited A stable solid state raman laser and a method of operating same
DE10043269C2 (de) * 2000-08-29 2002-10-24 Jenoptik Jena Gmbh Diodengepumpter Laserverstärker
US6683893B2 (en) 2001-10-25 2004-01-27 Coherent, Inc. Q-switching method for pulse train generation
US6690692B2 (en) 2002-01-29 2004-02-10 Hans Laser Technology Co., Ltd. Third harmonic laser system
JP4162936B2 (ja) * 2002-07-15 2008-10-08 サイバーレーザー株式会社 レーザー共振器及び調節方法
DE10241988B3 (de) * 2002-09-11 2004-04-08 Tui Laser Ag Diodengepumpter Festkörperlaser mit resonatorinterner thermischer Linse
US6931035B2 (en) * 2003-04-14 2005-08-16 Coherent, Inc. Q-switching method for pulse train generation
KR100626554B1 (ko) * 2004-05-11 2006-09-21 주식회사 탑 엔지니어링 비금속재 절단장치 및 비금속재 절단시의 절단깊이 제어방법
US7843978B2 (en) * 2005-02-04 2010-11-30 Jds Uniphase Corporation Passively Q-switched laser with adjustable pulse repetition rate
EP1763116B1 (de) * 2005-03-30 2015-04-22 Mitsubishi Denki Kabushiki Kaisha Wellenleiterlaser mit Modensteuerung
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US7430071B2 (en) * 2006-05-16 2008-09-30 Coherent, Inc. Adjustable pulse-shaper
JP5069875B2 (ja) * 2006-06-26 2012-11-07 富士フイルム株式会社 レーザ装置および光増幅装置
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FR2954610B1 (fr) * 2009-12-23 2013-11-01 Thales Sa Laser a impulsions de periode variable et a energie stabilisee.
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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
JP6050607B2 (ja) * 2012-05-15 2016-12-21 株式会社アマダミヤチ レーザ加工装置及びレーザ出力校正方法
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JP6456250B2 (ja) * 2014-08-29 2019-01-23 三菱電機株式会社 レーザ装置およびレーザ加工機
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Also Published As

Publication number Publication date
DE69812119T2 (de) 2004-01-08
JP2003524872A (ja) 2003-08-19
EP1010219A2 (de) 2000-06-21
WO1999013540A2 (en) 1999-03-18
WO1999013540A3 (en) 1999-06-24
EP1010219B1 (de) 2003-03-12
US6115402A (en) 2000-09-05
US5912912A (en) 1999-06-15

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