FR2742009B1 - Procede et dispositif pour produire une impulsion laser d'une duree longue ajustable - Google Patents

Procede et dispositif pour produire une impulsion laser d'une duree longue ajustable

Info

Publication number
FR2742009B1
FR2742009B1 FR9514611A FR9514611A FR2742009B1 FR 2742009 B1 FR2742009 B1 FR 2742009B1 FR 9514611 A FR9514611 A FR 9514611A FR 9514611 A FR9514611 A FR 9514611A FR 2742009 B1 FR2742009 B1 FR 2742009B1
Authority
FR
France
Prior art keywords
producing
laser pulse
adjustable duration
long adjustable
long
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
FR9514611A
Other languages
English (en)
Other versions
FR2742009A1 (fr
Inventor
Antoine Hirth
Bernd Weber
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.)
Institut Franco Allemand de Recherches de Saint Louis ISL
Original Assignee
Institut Franco Allemand de Recherches de Saint Louis ISL
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 Institut Franco Allemand de Recherches de Saint Louis ISL filed Critical Institut Franco Allemand de Recherches de Saint Louis ISL
Priority to FR9514611A priority Critical patent/FR2742009B1/fr
Priority to DE1996149903 priority patent/DE19649903A1/de
Publication of FR2742009A1 publication Critical patent/FR2742009A1/fr
Application granted granted Critical
Publication of FR2742009B1 publication Critical patent/FR2742009B1/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
    • H01S3/10—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
    • H01S3/113—Q-switching using intracavity saturable absorbers
    • 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
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • 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
    • H01S3/083—Ring 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
    • H01S3/14—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
    • H01S3/162—Solid materials characterised by an active (lasing) ion transition metal
    • H01S3/1623—Solid materials characterised by an active (lasing) ion transition metal chromium, e.g. Alexandrite
    • 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
    • H01S3/1648—Solid materials characterised by a crystal matrix halide with the formula XYZF6 (Colquiriite structure), wherein X is Li, Na, K or Rb, Y is Mg, Ca, Sr, Cd or Ba and Z is Al, Sc or Ga
    • 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)
FR9514611A 1995-12-01 1995-12-01 Procede et dispositif pour produire une impulsion laser d'une duree longue ajustable Expired - Fee Related FR2742009B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9514611A FR2742009B1 (fr) 1995-12-01 1995-12-01 Procede et dispositif pour produire une impulsion laser d'une duree longue ajustable
DE1996149903 DE19649903A1 (de) 1995-12-01 1996-12-02 Verfahren und Vorrichtung zur Erzeugung eines Laserimpulses von langer, einstellbarer Dauer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9514611A FR2742009B1 (fr) 1995-12-01 1995-12-01 Procede et dispositif pour produire une impulsion laser d'une duree longue ajustable

Publications (2)

Publication Number Publication Date
FR2742009A1 FR2742009A1 (fr) 1997-06-06
FR2742009B1 true FR2742009B1 (fr) 1998-01-02

Family

ID=9485341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9514611A Expired - Fee Related FR2742009B1 (fr) 1995-12-01 1995-12-01 Procede et dispositif pour produire une impulsion laser d'une duree longue ajustable

Country Status (2)

Country Link
DE (1) DE19649903A1 (fr)
FR (1) FR2742009B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10056384C2 (de) * 2000-11-14 2003-06-05 Leica Microsystems Vorrichtung zur Messung der Lebensdauer eines angeregten Zustandes in einer Probe und Verwendung der Vorrichtung

Also Published As

Publication number Publication date
DE19649903A1 (de) 1997-06-05
FR2742009A1 (fr) 1997-06-06

Similar Documents

Publication Publication Date Title
FR2722005B1 (fr) Appareil et procede pour attenuer les ambiguites dans les radars doppler a impulsions
FR2752111B1 (fr) Procede et dispositif de commande d'onduleurs
FR2740598B1 (fr) Dispositif d'affichage et procede d'excitation de celui-ci
DE69632657D1 (de) Impulszusammensetzungsverfahren und -gerät in einer Flüssigkeitsaufzeichnungsvorrichtung
FR2696573B1 (fr) Procede et dispositif d'examen acoustique a retournement temporel.
FR2731310B1 (fr) Dispositif et procede de reception multidebit a filtrage unique d'interpolation et d'adaptation
DE19681641T1 (de) Laserabtastverfahren und -einrichtung
FR2722123B1 (fr) Procede et dispositif pour le nettoyage d'endoscopes
FR2738441B1 (fr) Dispositif et procede de codage de signal d'image
FR2742926B1 (fr) Procede et dispositif de preparation de faces de laser
FR2729637B1 (fr) Dispositif et procede de reglage de la vitesse d'un navire
FR2735289B1 (fr) Procede et dispositif de connexion pour jeu de barres surmoulees
FR2728777B1 (fr) Dispositif pour eliminer les callosites
DK0626106T3 (da) Laserkontrolfremgangsmåde og -apparatur
FR2764092B1 (fr) Dispositif generateur d'un signal d'horloge et procede de mise en oeuvre
FR2626504B1 (fr) Procede et dispositif pour l'adressage a un destinataire
HU207457B (en) Method and device for medicine atomizing carrying out by ultrasonic sound
FR2742009B1 (fr) Procede et dispositif pour produire une impulsion laser d'une duree longue ajustable
FR2719669B1 (fr) Procédé et dispositif d'élimination des échos fixes en fréquence intermédiaire dans un radar à impulsions cohérentes.
IT1280413B1 (it) Metodo ed unita' per la saldatura di testa di involucri allungati
FR2753275B1 (fr) Procede d'ajustage d'un anemometre doppler a laser
FR2749454B1 (fr) Procede et dispositif programmable de generation d'impulsions de largeur variable
FR2730436B1 (fr) Procede et dispositif pour le dessablage d'une piece de fonderie
FR2736161B1 (fr) Procede et dispositif d'integration coherente multi-rafales pour radar doppler a impulsions
FR2752321B1 (fr) Procede et dispositif pour l'enseigement des langues

Legal Events

Date Code Title Description
ST Notification of lapse