GB2461487A - Acousto-optically Q-switched -CO2 laser - Google Patents

Acousto-optically Q-switched -CO2 laser Download PDF

Info

Publication number
GB2461487A
GB2461487A GB0920130A GB0920130A GB2461487A GB 2461487 A GB2461487 A GB 2461487A GB 0920130 A GB0920130 A GB 0920130A GB 0920130 A GB0920130 A GB 0920130A GB 2461487 A GB2461487 A GB 2461487A
Authority
GB
United Kingdom
Prior art keywords
switched
laser
acousto
optically
co2laser
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.)
Withdrawn
Application number
GB0920130A
Other languages
English (en)
Other versions
GB0920130D0 (en
Inventor
Vernon Sequin
Peter P Chenausky
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
Publication of GB0920130D0 publication Critical patent/GB0920130D0/en
Publication of GB2461487A publication Critical patent/GB2461487A/en
Withdrawn legal-status Critical Current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
    • H01S3/14—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
    • H01S3/22—Gases
    • H01S3/223—Gases the active gas being polyatomic, i.e. containing two or more atoms
    • H01S3/2232—Carbon dioxide (CO2) or monoxide [CO]
    • 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
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/0315—Waveguide lasers
    • 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
    • H01S3/073—Gas lasers comprising separate discharge sections in one cavity, e.g. hybrid lasers
    • H01S3/076—Folded-path lasers
    • 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
    • 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
    • H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
    • H01S3/0975—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser using inductive or capacitive excitation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB0920130A 2007-05-24 2009-11-17 Acousto-optically Q-switched -CO2 laser Withdrawn GB2461487A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US93154407P 2007-05-24 2007-05-24
US12/113,315 US7903699B2 (en) 2007-05-24 2008-05-01 Acousto-optically Q-switched CO2 laser
PCT/US2008/005672 WO2008143772A1 (en) 2007-05-24 2008-05-02 Acousto-optically q-switched co2 laser

Publications (2)

Publication Number Publication Date
GB0920130D0 GB0920130D0 (en) 2009-12-30
GB2461487A true GB2461487A (en) 2010-01-06

Family

ID=39529335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0920130A Withdrawn GB2461487A (en) 2007-05-24 2009-11-17 Acousto-optically Q-switched -CO2 laser

Country Status (5)

Country Link
US (2) US7903699B2 (enExample)
JP (1) JP2010534923A (enExample)
DE (1) DE112008001338T5 (enExample)
GB (1) GB2461487A (enExample)
WO (1) WO2008143772A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903699B2 (en) * 2007-05-24 2011-03-08 Coherent, Inc. Acousto-optically Q-switched CO2 laser
JP5758569B2 (ja) * 2008-06-12 2015-08-05 ギガフォトン株式会社 スラブ型レーザ装置
WO2013084608A1 (ja) 2011-12-07 2013-06-13 三菱電機株式会社 Ｃｏ２レーザ装置およびｃｏ２レーザ加工装置
DE102012002470A1 (de) 2012-02-03 2013-08-08 Iai Industrial Systems B.V. CO2-Laser mit schneller Leistungssteuerung
US9414498B2 (en) 2013-09-20 2016-08-09 Coherent, Inc. Via-hole drilling in a printed circuit board using a carbon monoxide laser
CN104051936A (zh) * 2014-06-09 2014-09-17 中国科学院长春光学精密机械与物理研究所 主动锁模co2激光器
US9925620B2 (en) 2015-08-19 2018-03-27 Coherent, Inc. Carbon monoxide laser machining system
US10274806B2 (en) 2015-11-06 2019-04-30 Coherent, Inc. Pulse-dividing method and apparatus for a pulsed carbon monoxide laser
US10423047B2 (en) 2016-07-27 2019-09-24 Coherent, Inc. Laser machining method and apparatus
US10401704B2 (en) * 2016-11-11 2019-09-03 Asml Netherlands B.V. Compensating for a physical effect in an optical system
CN108832476B (zh) * 2018-06-27 2020-05-19 武汉市威佳激光有限责任公司 一种多通道声光复合调q光源及调q方法
DE102018221189A1 (de) 2018-12-07 2020-06-10 Carl Zeiss Smt Gmbh Verfahren zum Bilden von Nanostrukturen an einer Oberfläche und optisches Element
CN110970794B (zh) * 2019-12-20 2020-10-30 中国科学院半导体研究所 用于提高激光器功率的声光q开关、谐振腔和脉冲激光器
JP7519333B2 (ja) * 2021-07-02 2024-07-19 住友重機械工業株式会社 レーザ制御装置及びレーザパルス切出し方法
WO2023010056A2 (en) * 2021-07-27 2023-02-02 Wavegate Corporation Full-duplex epg system and electro-optical percutaneous lead
WO2025098700A1 (en) * 2023-11-06 2025-05-15 Asml Netherlands B.V. Method and system for triggering a seed laser

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499582A (en) * 1980-04-05 1985-02-12 Heinrich Karning Laser system
JPH05167164A (ja) * 1991-12-11 1993-07-02 Toshiba Corp レーザ発振装置
JPH0766483A (ja) * 1993-08-26 1995-03-10 Rikagaku Kenkyusho パルス・レーザー光の周波数シフト方法およびその装置
EP0754518A1 (de) * 1995-07-19 1997-01-22 Carl Baasel Lasertechnik GmbH Laser-Materialbearbeitungsvorrichtung mit akusto-optischem Güteschalter
US20050105581A1 (en) * 2003-11-18 2005-05-19 Vernon Seguin CO2 waveguide laser with beryllium oxide waveguides

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465358A (en) * 1966-07-21 1969-09-02 Bell Telephone Labor Inc Q-switched molecular laser
US3638137A (en) * 1969-01-10 1972-01-25 Hughes Aircraft Co Method of q-switching and mode locking a laser beam and structure
ES2013193A6 (es) * 1989-06-07 1990-04-16 Codilaser Sa Sistema para marcaje de objetos en movimiento mediante rayos laser.
US5157684A (en) * 1991-10-23 1992-10-20 United Technologies Corporation Optically pulsed laser
US6788722B1 (en) 2000-07-10 2004-09-07 Coherent, Inc. High power waveguide laser
WO2002082600A2 (en) * 2001-04-04 2002-10-17 Coherent Deos Q-switched cavity dumped co2 laser for material processing
ATE453232T1 (de) * 2001-04-04 2010-01-15 Coherent Deos Gütegeschalteter co2 laser für materialbearbeitung
US6798816B2 (en) * 2002-10-21 2004-09-28 Coherent, Inc. Folded tapered-waveguide CO2 laser
US7411989B2 (en) * 2006-12-13 2008-08-12 Coherent, Inc. Mechanically Q-switched CO2 laser
US7903699B2 (en) 2007-05-24 2011-03-08 Coherent, Inc. Acousto-optically Q-switched CO2 laser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499582A (en) * 1980-04-05 1985-02-12 Heinrich Karning Laser system
JPH05167164A (ja) * 1991-12-11 1993-07-02 Toshiba Corp レーザ発振装置
JPH0766483A (ja) * 1993-08-26 1995-03-10 Rikagaku Kenkyusho パルス・レーザー光の周波数シフト方法およびその装置
EP0754518A1 (de) * 1995-07-19 1997-01-22 Carl Baasel Lasertechnik GmbH Laser-Materialbearbeitungsvorrichtung mit akusto-optischem Güteschalter
US20050105581A1 (en) * 2003-11-18 2005-05-19 Vernon Seguin CO2 waveguide laser with beryllium oxide waveguides

Also Published As

Publication number Publication date
JP2010534923A (ja) 2010-11-11
DE112008001338T5 (de) 2010-04-15
GB0920130D0 (en) 2009-12-30
WO2008143772A1 (en) 2008-11-27
US20090232167A1 (en) 2009-09-17
US20110122897A1 (en) 2011-05-26
US7903699B2 (en) 2011-03-08
US8050306B2 (en) 2011-11-01

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)