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JPS544581A - Stabilizing control system of light output levels and light output waveforms of semiconductor laser - Google Patents

Stabilizing control system of light output levels and light output waveforms of semiconductor laser

Info

Publication number
JPS544581A
JPS544581A JP6944177A JP6944177A JPS544581A JP S544581 A JPS544581 A JP S544581A JP 6944177 A JP6944177 A JP 6944177A JP 6944177 A JP6944177 A JP 6944177A JP S544581 A JPS544581 A JP S544581A
Authority
JP
Japan
Prior art keywords
light output
control system
semiconductor laser
stabilizing control
waveforms
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
JP6944177A
Other languages
Japanese (ja)
Other versions
JPS5712551B2 (en
Inventor
Toshifumi Tamura
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP6944177A priority Critical patent/JPS544581A/en
Publication of JPS544581A publication Critical patent/JPS544581A/en
Publication of JPS5712551B2 publication Critical patent/JPS5712551B2/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)
  • Semiconductor Lasers (AREA)

Abstract

PURPOSE:To stabilize light output level and light output waveforms by controlling both of d.c. bias current and pulse current.
JP6944177A 1977-06-14 1977-06-14 Stabilizing control system of light output levels and light output waveforms of semiconductor laser Granted JPS544581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6944177A JPS544581A (en) 1977-06-14 1977-06-14 Stabilizing control system of light output levels and light output waveforms of semiconductor laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6944177A JPS544581A (en) 1977-06-14 1977-06-14 Stabilizing control system of light output levels and light output waveforms of semiconductor laser

Publications (2)

Publication Number Publication Date
JPS544581A true JPS544581A (en) 1979-01-13
JPS5712551B2 JPS5712551B2 (en) 1982-03-11

Family

ID=13402718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6944177A Granted JPS544581A (en) 1977-06-14 1977-06-14 Stabilizing control system of light output levels and light output waveforms of semiconductor laser

Country Status (1)

Country Link
JP (1) JPS544581A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150289A (en) * 1979-05-12 1980-11-22 Fujitsu Ltd Laser drive circuit
JPS5646587A (en) * 1979-09-21 1981-04-27 Nippon Telegr & Teleph Corp <Ntt> Change-over type semiconductor laser drive circuit
JPS5646586A (en) * 1979-09-21 1981-04-27 Nippon Telegr & Teleph Corp <Ntt> Change-over type semiconductor laser drive circuit
JPS59985A (en) * 1982-06-25 1984-01-06 Nec Corp Drive circuit for semiconductor laser
JPS60111057U (en) * 1983-12-28 1985-07-27 パイオニア株式会社 Semiconductor laser drive device
JPS6298786A (en) * 1985-10-25 1987-05-08 Matsushita Electric Ind Co Ltd Method of driving semiconductor laser device
US4713819A (en) * 1985-05-29 1987-12-15 Olympus Optical Co., Ltd. Semiconductor laser driver
JPH01133384A (en) * 1987-11-18 1989-05-25 Matsushita Electric Ind Co Ltd Semiconductor laser driving device
US4862466A (en) * 1986-09-25 1989-08-29 Minolta Camera Kabushiki Kaisha Laser emitting apparatus with temperature intensity control
JPH01304792A (en) * 1988-06-02 1989-12-08 Fujitsu Ltd Semiconductor laser driving circuit
JPH0344083A (en) * 1989-07-12 1991-02-25 Nec Corp Automatic laser output control circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241544A (en) * 1985-08-13 1987-02-23 Mitsubishi Electric Corp Ventilation fan
JPH01136326U (en) * 1988-02-26 1989-09-19

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043791A (en) * 1973-07-26 1975-04-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043791A (en) * 1973-07-26 1975-04-19

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150289A (en) * 1979-05-12 1980-11-22 Fujitsu Ltd Laser drive circuit
JPS5646587A (en) * 1979-09-21 1981-04-27 Nippon Telegr & Teleph Corp <Ntt> Change-over type semiconductor laser drive circuit
JPS5646586A (en) * 1979-09-21 1981-04-27 Nippon Telegr & Teleph Corp <Ntt> Change-over type semiconductor laser drive circuit
JPS59985A (en) * 1982-06-25 1984-01-06 Nec Corp Drive circuit for semiconductor laser
JPS60111057U (en) * 1983-12-28 1985-07-27 パイオニア株式会社 Semiconductor laser drive device
JPH0227571Y2 (en) * 1983-12-28 1990-07-25
US4713819A (en) * 1985-05-29 1987-12-15 Olympus Optical Co., Ltd. Semiconductor laser driver
JPS6298786A (en) * 1985-10-25 1987-05-08 Matsushita Electric Ind Co Ltd Method of driving semiconductor laser device
US4862466A (en) * 1986-09-25 1989-08-29 Minolta Camera Kabushiki Kaisha Laser emitting apparatus with temperature intensity control
JPH01133384A (en) * 1987-11-18 1989-05-25 Matsushita Electric Ind Co Ltd Semiconductor laser driving device
JPH01304792A (en) * 1988-06-02 1989-12-08 Fujitsu Ltd Semiconductor laser driving circuit
JPH0344083A (en) * 1989-07-12 1991-02-25 Nec Corp Automatic laser output control circuit

Also Published As

Publication number Publication date
JPS5712551B2 (en) 1982-03-11

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