FR2316767A1 - Commande de laser fonctionnant par impulsions - Google Patents

Commande de laser fonctionnant par impulsions

Info

Publication number
FR2316767A1
FR2316767A1 FR7620108A FR7620108A FR2316767A1 FR 2316767 A1 FR2316767 A1 FR 2316767A1 FR 7620108 A FR7620108 A FR 7620108A FR 7620108 A FR7620108 A FR 7620108A FR 2316767 A1 FR2316767 A1 FR 2316767A1
Authority
FR
France
Prior art keywords
pulse
laser control
operated laser
operated
control
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.)
Granted
Application number
FR7620108A
Other languages
English (en)
French (fr)
Other versions
FR2316767B1 (https=
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2316767A1 publication Critical patent/FR2316767A1/fr
Application granted granted Critical
Publication of FR2316767B1 publication Critical patent/FR2316767B1/fr
Granted 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
    • H01S3/1103—Cavity dumping
    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/083—Devices involving movement of the workpiece in at least one axial direction
    • B23K26/0838—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR7620108A 1975-07-02 1976-07-01 Commande de laser fonctionnant par impulsions Granted FR2316767A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/592,370 US3982202A (en) 1975-07-02 1975-07-02 Stabilization of laser output

Publications (2)

Publication Number Publication Date
FR2316767A1 true FR2316767A1 (fr) 1977-01-28
FR2316767B1 FR2316767B1 (https=) 1981-09-18

Family

ID=24370385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7620108A Granted FR2316767A1 (fr) 1975-07-02 1976-07-01 Commande de laser fonctionnant par impulsions

Country Status (7)

Country Link
US (1) US3982202A (https=)
JP (1) JPS528791A (https=)
CA (1) CA1046586A (https=)
DE (1) DE2629084C3 (https=)
FR (1) FR2316767A1 (https=)
GB (1) GB1551410A (https=)
NL (1) NL172808C (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175089A (en) * 1981-04-20 1982-10-27 Inoue Japax Res Inc Beam working device
US20060018349A1 (en) 2004-07-14 2006-01-26 High Q Laser Production Gmbh Pulse train generator and method for generating a repeating sequence of laser pulses

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586997A (en) * 1969-05-26 1971-06-22 Bell Telephone Labor Inc Stabilized mode-locked laser arrangement
US3713042A (en) * 1971-05-27 1973-01-23 Bell Telephone Labor Inc Stabilized mode-locked laser arrangement

Also Published As

Publication number Publication date
JPS528791A (en) 1977-01-22
NL172808C (nl) 1983-10-17
DE2629084B2 (de) 1979-03-15
GB1551410A (en) 1979-08-30
US3982202A (en) 1976-09-21
DE2629084A1 (de) 1977-01-27
JPS566525B2 (https=) 1981-02-12
DE2629084C3 (de) 1979-11-08
CA1046586A (en) 1979-01-16
NL7607268A (nl) 1977-01-04
NL172808B (nl) 1983-05-16
FR2316767B1 (https=) 1981-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse