FR2830990B1 - Dispositif de coupure de puissance d'un laser par limitation de la largeur d'impulsion - Google Patents

Dispositif de coupure de puissance d'un laser par limitation de la largeur d'impulsion

Info

Publication number
FR2830990B1
FR2830990B1 FR0210123A FR0210123A FR2830990B1 FR 2830990 B1 FR2830990 B1 FR 2830990B1 FR 0210123 A FR0210123 A FR 0210123A FR 0210123 A FR0210123 A FR 0210123A FR 2830990 B1 FR2830990 B1 FR 2830990B1
Authority
FR
France
Prior art keywords
limiting
pulse width
cutting device
laser power
power cutting
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
FR0210123A
Other languages
English (en)
Other versions
FR2830990A1 (fr
Inventor
Lothar Gernandt
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
Publication of FR2830990A1 publication Critical patent/FR2830990A1/fr
Application granted granted Critical
Publication of FR2830990B1 publication Critical patent/FR2830990B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • 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
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
FR0210123A 2001-08-14 2002-08-08 Dispositif de coupure de puissance d'un laser par limitation de la largeur d'impulsion Expired - Fee Related FR2830990B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10139929A DE10139929A1 (de) 2001-08-14 2001-08-14 Leistungsabschaltung von Lasern durch Pulsweitenbegrenzung

Publications (2)

Publication Number Publication Date
FR2830990A1 FR2830990A1 (fr) 2003-04-18
FR2830990B1 true FR2830990B1 (fr) 2006-03-03

Family

ID=7695427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0210123A Expired - Fee Related FR2830990B1 (fr) 2001-08-14 2002-08-08 Dispositif de coupure de puissance d'un laser par limitation de la largeur d'impulsion

Country Status (2)

Country Link
DE (1) DE10139929A1 (fr)
FR (1) FR2830990B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9887537B2 (en) 2015-06-30 2018-02-06 Microsoft Technology Licensing, Llc Analog limit on digitally set pulse widths

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806829A (en) * 1971-04-13 1974-04-23 Sys Inc Pulsed laser system having improved energy control with improved power supply laser emission energy sensor and adjustable repetition rate control features
US4950268A (en) * 1987-02-27 1990-08-21 Xintec Corporation Laser driver and control circuit
US5269778A (en) * 1988-11-01 1993-12-14 Rink John L Variable pulse width laser and method of use
US6080148A (en) * 1996-11-18 2000-06-27 Trimedyne, Inc. Variable pulse width lasing device
DE19734732A1 (de) * 1996-12-10 1998-06-18 Wavelight Laser Technologie Gm Vorrichtung für die Behandlung von Körpersubstanzen

Also Published As

Publication number Publication date
FR2830990A1 (fr) 2003-04-18
DE10139929A1 (de) 2003-02-27

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090430