JPS56158494A - Output control device for semiconductor laser - Google Patents

Output control device for semiconductor laser

Info

Publication number
JPS56158494A
JPS56158494A JP6265180A JP6265180A JPS56158494A JP S56158494 A JPS56158494 A JP S56158494A JP 6265180 A JP6265180 A JP 6265180A JP 6265180 A JP6265180 A JP 6265180A JP S56158494 A JPS56158494 A JP S56158494A
Authority
JP
Japan
Prior art keywords
sensor
semiconductor laser
laser
respect
light
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
JP6265180A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0159751B2 (enrdf_load_stackoverflow
Inventor
Shunji Harikae
Toshio Sato
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6265180A priority Critical patent/JPS56158494A/ja
Publication of JPS56158494A publication Critical patent/JPS56158494A/ja
Publication of JPH0159751B2 publication Critical patent/JPH0159751B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
JP6265180A 1980-05-12 1980-05-12 Output control device for semiconductor laser Granted JPS56158494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6265180A JPS56158494A (en) 1980-05-12 1980-05-12 Output control device for semiconductor laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6265180A JPS56158494A (en) 1980-05-12 1980-05-12 Output control device for semiconductor laser

Publications (2)

Publication Number Publication Date
JPS56158494A true JPS56158494A (en) 1981-12-07
JPH0159751B2 JPH0159751B2 (enrdf_load_stackoverflow) 1989-12-19

Family

ID=13206434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6265180A Granted JPS56158494A (en) 1980-05-12 1980-05-12 Output control device for semiconductor laser

Country Status (1)

Country Link
JP (1) JPS56158494A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040538A (ja) * 1983-08-15 1985-03-02 Toshiba Corp 光学的情報読取装置
JPS62124641A (ja) * 1985-11-22 1987-06-05 Mitsubishi Electric Corp 光磁気情報記録再生装置
JPH03113739A (ja) * 1990-08-30 1991-05-15 Sanyo Electric Co Ltd 光学ヘッド装置
JPH04221438A (ja) * 1990-12-21 1992-08-11 Mitsubishi Electric Corp 光ディスク装置のレーザパワー測定用治具
JPH0668518A (ja) * 1993-07-29 1994-03-11 Sharp Corp 光記録装置
JPH07262592A (ja) * 1995-03-27 1995-10-13 Mitsubishi Electric Corp 光磁気情報記録再生装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5238939A (en) * 1975-09-23 1977-03-25 Nippon Telegr & Teleph Corp <Ntt> Optical coupler
JPS55148483A (en) * 1979-05-08 1980-11-19 Canon Inc Semiconductor laser device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5238939A (en) * 1975-09-23 1977-03-25 Nippon Telegr & Teleph Corp <Ntt> Optical coupler
JPS55148483A (en) * 1979-05-08 1980-11-19 Canon Inc Semiconductor laser device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040538A (ja) * 1983-08-15 1985-03-02 Toshiba Corp 光学的情報読取装置
JPS62124641A (ja) * 1985-11-22 1987-06-05 Mitsubishi Electric Corp 光磁気情報記録再生装置
JPH03113739A (ja) * 1990-08-30 1991-05-15 Sanyo Electric Co Ltd 光学ヘッド装置
JPH04221438A (ja) * 1990-12-21 1992-08-11 Mitsubishi Electric Corp 光ディスク装置のレーザパワー測定用治具
JPH0668518A (ja) * 1993-07-29 1994-03-11 Sharp Corp 光記録装置
JPH07262592A (ja) * 1995-03-27 1995-10-13 Mitsubishi Electric Corp 光磁気情報記録再生装置

Also Published As

Publication number Publication date
JPH0159751B2 (enrdf_load_stackoverflow) 1989-12-19

Similar Documents

Publication Publication Date Title
JPS5616802A (en) Method and unit for measuring electro-optically dimension,position and form of object
JPS5449147A (en) Recorder
JPS56158494A (en) Output control device for semiconductor laser
JPS558006A (en) Semi-conductor laser output stabilizing method and device therefore
JPS6427286A (en) Semiconductor device
FR2531774B1 (enrdf_load_stackoverflow)
SU643827A2 (ru) Непрерывный привод
JPS5583030A (en) Photo exchanging device
JPS5498627A (en) Optical scanning device
JPS5550201A (en) Lens driving device
JPS54162496A (en) Driver circuit of photo semiconductor device
JPS6427289A (en) Semiconductor device
JPS5740222A (en) Light scanner
JPS57105711A (en) Lens motor driving circuit of auto focus camera
JPS56126820A (en) Light deflection device
JPS6457244A (en) Light beam deflecting device
JPS5267595A (en) Laser output stabilizing device
JPS5514581A (en) In-focus detection unit
JPS5680005A (en) Device for stabilizing quantity of light
JPS6489489A (en) Semiconductor laser control device
JPS5451578A (en) Photometer
CA2049163A1 (en) Signal processing system of optical fiber gyro
JPS54156648A (en) Position corrector of light beam scanning line
JPS533255A (en) Breakdown position detection device of optical fiber
JPS5662203A (en) Submerged light reflecting mirror apparatus