FR2607329B1 - Laser ndyag a grande longueur d'onde et procede pour produire un faisceau laser de grande puissance - Google Patents

Laser ndyag a grande longueur d'onde et procede pour produire un faisceau laser de grande puissance

Info

Publication number
FR2607329B1
FR2607329B1 FR8707145A FR8707145A FR2607329B1 FR 2607329 B1 FR2607329 B1 FR 2607329B1 FR 8707145 A FR8707145 A FR 8707145A FR 8707145 A FR8707145 A FR 8707145A FR 2607329 B1 FR2607329 B1 FR 2607329B1
Authority
FR
France
Prior art keywords
laser beam
ndyag
wavelength
producing
large power
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
FR8707145A
Other languages
English (en)
Other versions
FR2607329A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2607329A1 publication Critical patent/FR2607329A1/fr
Application granted granted Critical
Publication of FR2607329B1 publication Critical patent/FR2607329B1/fr
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
    • H01S3/05—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
    • H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
    • 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
    • H01S2302/00—Amplification / lasing wavelength
    • 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
    • H01S3/08086—Multiple-wavelength emission
    • H01S3/0809—Two-wavelenghth emission
    • 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
    • H01S3/1611—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Laser Surgery Devices (AREA)
FR8707145A 1986-11-20 1987-05-21 Laser ndyag a grande longueur d'onde et procede pour produire un faisceau laser de grande puissance Expired - Fee Related FR2607329B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/933,103 US5048034A (en) 1986-11-20 1986-11-20 Long wavelength NdYAG laser

Publications (2)

Publication Number Publication Date
FR2607329A1 FR2607329A1 (fr) 1988-05-27
FR2607329B1 true FR2607329B1 (fr) 1994-07-08

Family

ID=25463379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8707145A Expired - Fee Related FR2607329B1 (fr) 1986-11-20 1987-05-21 Laser ndyag a grande longueur d'onde et procede pour produire un faisceau laser de grande puissance

Country Status (5)

Country Link
US (1) US5048034A (fr)
DE (1) DE3717142C2 (fr)
FR (1) FR2607329B1 (fr)
GB (1) GB2197748B (fr)
IT (1) IT1218658B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091911A (en) * 1986-11-20 1992-02-25 Carl Zeiss Stiftung Long wavelength NdYAG laser
FR2619967A1 (fr) * 1987-08-26 1989-03-03 Micro Controle Appareil a laser adaptable
DE3830361A1 (de) * 1988-09-07 1990-03-15 Messerschmitt Boelkow Blohm Lasergeraet mit gasentladungslampen
DE3833992A1 (de) * 1988-10-06 1990-04-12 Messerschmitt Boelkow Blohm Bestrahlungseinrichtung
DE3833993A1 (de) * 1988-10-06 1990-04-12 Messerschmitt Boelkow Blohm Lichtleiter- und bestrahlungseinrichtung
US4930901A (en) * 1988-12-23 1990-06-05 Electro Scientific Industries, Inc. Method of and apparatus for modulating a laser beam
FR2665987B1 (fr) * 1990-08-20 1995-02-24 Cheval Freres Sa Dispositif generateur d'un faisceau laser continu ou pulse.
DE4029530C2 (de) * 1990-09-18 1999-10-21 Erwin Steiger Modular aufgebauter, gepulster Mehrwellenlängen-Festkörperlaser für medizinische Therapieverfahren
US5249192A (en) * 1991-06-27 1993-09-28 Laserscope Multiple frequency medical laser
US5406578A (en) * 1992-08-06 1995-04-11 Carl-Zeiss-Stiftung Unstable laser resonator for generating a stable fundamental mode beam profile
US5390204A (en) * 1992-09-25 1995-02-14 Incisive Technologies, Inc. Intracavity modulated pulsed laser with a variably controllable modulation frequency
US5325393A (en) * 1992-11-06 1994-06-28 Carl Zeiss, Inc. Dual laser resonator and beam combiner
US5351251A (en) * 1993-03-30 1994-09-27 Carl Zeiss, Inc. Laser apparatus
US5426662A (en) * 1994-04-28 1995-06-20 Coherent, Inc. Laser system selectively operable at two competing wavelengths
FR2725315B1 (fr) * 1994-09-29 1996-12-27 Lokki Sa Appareil laser a emission pulsee, utilise dans le domaine medical
DE19506608C2 (de) * 1995-02-24 1999-08-05 Gsaenger Optoelektronik Gmbh & Verfahren und Anordnung zur Erzeugung der dritten Harmonischen der Grundwellenstrahlung eines optisch angeregten Neodym enthaltenden Laserkristalls
WO1996033538A1 (fr) * 1995-04-17 1996-10-24 Coherent, Inc. Erbium a taux de repetition eleve: laser yag pour l'ablation de tissus
US5662644A (en) * 1996-05-14 1997-09-02 Mdlt, Inc. Dermatological laser apparatus and method
JPH1033549A (ja) 1996-07-24 1998-02-10 Shinji Kokubu レーザプローブ
US6951627B2 (en) * 2002-04-26 2005-10-04 Matsushita Electric Industrial Co., Ltd. Method of drilling holes with precision laser micromachining
US7880117B2 (en) 2002-12-24 2011-02-01 Panasonic Corporation Method and apparatus of drilling high density submicron cavities using parallel laser beams
KR100742973B1 (ko) * 2006-02-22 2007-07-27 주식회사 루트로닉 지방에 직접 조사되는 지방제거 전용 1444㎚ 파장 발진Ｎｄ:ＹＡＧ 레이저
JP5105944B2 (ja) * 2007-04-16 2012-12-26 パナソニック株式会社 レーザ装置
US20130250984A1 (en) * 2012-03-22 2013-09-26 Ams Research Corporation Laser element having a thermally conductive jacket
US9439598B2 (en) 2012-04-12 2016-09-13 NeuroMedic, Inc. Mapping and ablation of nerves within arteries and tissues

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1042312A (en) * 1962-04-16 1966-09-14 Nat Res Dev Maser or laser apparatus comprising spherical active material
US3270290A (en) * 1962-10-19 1966-08-30 Corning Glass Works Neodymium glass laser having an output at about 9180 a.
US3582820A (en) * 1968-04-29 1971-06-01 American Optical Corp Erbium laser device
US3569859A (en) * 1969-01-13 1971-03-09 Us Navy Laser system operable operable at different wavelengths
DE2003856B2 (de) * 1970-01-28 1976-02-19 Siemens AG, 1000 Berlin und 8000 München Laser
US3675154A (en) * 1970-10-01 1972-07-04 Bell Telephone Labor Inc Dispersion compensation in lasers
BE792045A (fr) * 1971-12-10 1973-03-16 Commissariat Energie Atomique Generateur laser en mode transverse unique
US3860888A (en) * 1973-07-19 1975-01-14 Xerox Corp Time-sharing two frequency laser
DE2809007A1 (de) * 1978-03-02 1979-09-13 Messerschmitt Boelkow Blohm Einrichtung zum schneiden und/oder koagulieren von lebendem gewebe
US4233567A (en) * 1978-12-13 1980-11-11 General Electric Company Face-cooled laser device having increased energy storage and output
US4441186A (en) * 1981-12-31 1984-04-03 Gte Products Corporation Electronically switchable multiwavelength laser system
US4601036A (en) * 1982-09-30 1986-07-15 Honeywell Inc. Rapidly tunable laser

Also Published As

Publication number Publication date
DE3717142A1 (de) 1988-06-01
IT1218658B (it) 1990-04-19
IT8767490A0 (it) 1987-06-08
GB2197748B (en) 1991-04-17
GB2197748A (en) 1988-05-25
FR2607329A1 (fr) 1988-05-27
US5048034A (en) 1991-09-10
DE3717142C2 (de) 1996-07-18
GB8712070D0 (en) 1987-06-24

Similar Documents

Publication Publication Date Title
FR2607329B1 (fr) Laser ndyag a grande longueur d'onde et procede pour produire un faisceau laser de grande puissance
FR2547757B1 (fr) Procede et installation de soudage par point a faisceau laser
DE69310681T2 (de) Laserstrahlschneidverfahren
EP0437226A3 (en) Monitoring method and system for laser beam welding
NO931850D0 (no) Laser for aa frembringe en optisk baereboelge
FR2598860B1 (fr) Procede et dispositif de commande d'intensite et de longueur d'onde pour une diode laser.
FR2547756B1 (fr) Procede et installation de soudage par point a faisceau laser
EP0214018A3 (en) Laser beam scanner and its fabricating method
DE69327738D1 (de) Vorrichtung zur Wellenlängenänderung und Laserstrahlerzeugungsgerät
DE69301759T2 (de) Laserstrahltaster
FR2598862B1 (fr) Laser a semi-conducteur a reaction distribuee et a longueur d'onde continument accordable.
FR2625124B1 (fr) Procede et dispositif de soudage par faisceau laser
IT8467834A0 (it) Apparecchiatura per effettuare trattamenti su pezzi metallici mediante laser di potenza
DE4293174T1 (de) Laserstrahlbearbeitungsanlage und -Verfahren
KR920700095A (ko) 레이저 로봇에 있어서의 레이저광 오조사 방지 방법
FR2621747B1 (fr) Dispositif pour un laser de puissance
FR2689696B1 (fr) Procede et moyen de commande de la frequence et de la puissance de sortie d'une diode laser accordable.
DE69115464T2 (de) Laserstrahlbearbeitungsverfahren
KR890702304A (ko) 레이저파장의 안정화 방법 및 파장 안정화 레이저 장치
DE69402315T2 (de) Laserstrahlschneidverfahren
FR2655486B1 (fr) Dispositif laser a longueur d'onde elevee.
GB8703816D0 (en) Monitoring laser beam
IT1233073B (it) Macchina laser per l effettuazione di lavorazioni di taglio e saldatu ra
GB8707059D0 (en) Laser beam focussing apparatus
FR2625010B1 (fr) Illuminateur de forte puissance pour camera

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse