JPS5375897A - Pulse laser output stabilization circuit - Google Patents

Pulse laser output stabilization circuit

Info

Publication number
JPS5375897A
JPS5375897A JP15095676A JP15095676A JPS5375897A JP S5375897 A JPS5375897 A JP S5375897A JP 15095676 A JP15095676 A JP 15095676A JP 15095676 A JP15095676 A JP 15095676A JP S5375897 A JPS5375897 A JP S5375897A
Authority
JP
Japan
Prior art keywords
pulse laser
laser output
stabilization circuit
output stabilization
detecting
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
JP15095676A
Other languages
Japanese (ja)
Other versions
JPS5714587B2 (en
Inventor
Tetsuzo Tanimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15095676A priority Critical patent/JPS5375897A/en
Publication of JPS5375897A publication Critical patent/JPS5375897A/en
Publication of JPS5714587B2 publication Critical patent/JPS5714587B2/ja
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
    • 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
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06835—Stabilising during pulse modulation or generation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

PURPOSE:To obtain the stabilization of output by detecting the peak values of a pulse laser with a photo diode of high performance, amplifying and holding these, detecting the envelope of the outputs with an amplifer including an integrating circuit and feeding a part thereof back to an output control circuit.
JP15095676A 1976-12-17 1976-12-17 Pulse laser output stabilization circuit Granted JPS5375897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15095676A JPS5375897A (en) 1976-12-17 1976-12-17 Pulse laser output stabilization circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15095676A JPS5375897A (en) 1976-12-17 1976-12-17 Pulse laser output stabilization circuit

Publications (2)

Publication Number Publication Date
JPS5375897A true JPS5375897A (en) 1978-07-05
JPS5714587B2 JPS5714587B2 (en) 1982-03-25

Family

ID=15508095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15095676A Granted JPS5375897A (en) 1976-12-17 1976-12-17 Pulse laser output stabilization circuit

Country Status (1)

Country Link
JP (1) JPS5375897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61271885A (en) * 1985-05-28 1986-12-02 Amada Co Ltd Laser-output stabilizing device of laser oscillating apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61171385U (en) * 1985-04-11 1986-10-24
JPH05232975A (en) * 1992-02-25 1993-09-10 Hitachi Plant Eng & Constr Co Ltd Electronic noise eliminating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61271885A (en) * 1985-05-28 1986-12-02 Amada Co Ltd Laser-output stabilizing device of laser oscillating apparatus

Also Published As

Publication number Publication date
JPS5714587B2 (en) 1982-03-25

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