JPS5950586A - 半導体レ−ザ駆動回路 - Google Patents

半導体レ−ザ駆動回路

Info

Publication number
JPS5950586A
JPS5950586A JP57160847A JP16084782A JPS5950586A JP S5950586 A JPS5950586 A JP S5950586A JP 57160847 A JP57160847 A JP 57160847A JP 16084782 A JP16084782 A JP 16084782A JP S5950586 A JPS5950586 A JP S5950586A
Authority
JP
Japan
Prior art keywords
transistor
input terminal
output
semiconductor laser
collector
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
JP57160847A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6410113B2 (enrdf_load_stackoverflow
Inventor
Hideaki Shimomura
下村　英明
Kiyoshi Kimoto
木本　輝代志
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.)
Nikon Corp
Original Assignee
Nikon Corp
Nippon Kogaku KK
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
Priority to JP57160847A priority Critical patent/JPS5950586A/ja
Publication of JPS5950586A publication Critical patent/JPS5950586A/ja
Publication of JPS6410113B2 publication Critical patent/JPS6410113B2/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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0428—Electrical excitation ; Circuits therefor for applying pulses to the laser

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
  • Amplifiers (AREA)
JP57160847A 1982-09-17 1982-09-17 半導体レ−ザ駆動回路 Granted JPS5950586A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57160847A JPS5950586A (ja) 1982-09-17 1982-09-17 半導体レ−ザ駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57160847A JPS5950586A (ja) 1982-09-17 1982-09-17 半導体レ−ザ駆動回路

Publications (2)

Publication Number Publication Date
JPS5950586A true JPS5950586A (ja) 1984-03-23
JPS6410113B2 JPS6410113B2 (enrdf_load_stackoverflow) 1989-02-21

Family

ID=15723683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57160847A Granted JPS5950586A (ja) 1982-09-17 1982-09-17 半導体レ−ザ駆動回路

Country Status (1)

Country Link
JP (1) JPS5950586A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61248243A (ja) * 1985-04-25 1986-11-05 Sony Corp 光学記録再生装置
EP0798828A3 (en) * 1996-03-29 1997-12-03 Fujitsu Limited Light emitting element driving circuit and light emitting device having the same
JPH1069664A (ja) * 1997-08-01 1998-03-10 Sony Corp レーザパワー調整装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61248243A (ja) * 1985-04-25 1986-11-05 Sony Corp 光学記録再生装置
EP0798828A3 (en) * 1996-03-29 1997-12-03 Fujitsu Limited Light emitting element driving circuit and light emitting device having the same
US6031855A (en) * 1996-03-29 2000-02-29 Fujitsu Limited Light emitting element driving circuit and light emitting device having the same
JPH1069664A (ja) * 1997-08-01 1998-03-10 Sony Corp レーザパワー調整装置

Also Published As

Publication number Publication date
JPS6410113B2 (enrdf_load_stackoverflow) 1989-02-21

Similar Documents

Publication Publication Date Title
US6111901A (en) Semiconductor laser driving circuit, semiconductor laser device, image recording apparatus, and optical disk apparatus
JPH034970B2 (enrdf_load_stackoverflow)
JP2671467B2 (ja) レーザ駆動回路
US4745609A (en) Stabilized laser device
US4718068A (en) Stabilized laser device of optical information recording/reproduction apparatus
JPS5950586A (ja) 半導体レ−ザ駆動回路
US5438582A (en) Laser power monitor circuit used in a magneto-optical disk device
CA1143785A (en) Analog dc motor velocity control loop
JPH079212Y2 (ja) レ−ザ−ドライブ回路
JPS6371942A (ja) 半導体レ−ザ駆動回路
JP2675701B2 (ja) 光情報記録装置
KR880000571Y1 (ko) 광학식 디스크 플레이어의 슬라이드 회로
JPH0548257Y2 (enrdf_load_stackoverflow)
JPS6087440A (ja) レ−ザ変調回路
JPH08186310A (ja) レーザダイオード駆動回路
JPS63110685A (ja) 発光素子の駆動回路
JPH0872298A (ja) レーザ書き込み装置
JP2001331960A (ja) 光ディスク装置
JP2605128B2 (ja) 検波回路
JPS62170035A (ja) 半導体レ−ザ駆動回路
JPS6364382A (ja) 半導体レ−ザ駆動回路
JPH0370390B2 (enrdf_load_stackoverflow)
JPH07129988A (ja) 半導体レーザー駆動回路
JPS6116044A (ja) 半導体レ−ザ−駆動回路
JPH01173477A (ja) 情報記録再生装置