JPS56105685A - Monitoring circuit for semiconductor luminous element - Google Patents

Monitoring circuit for semiconductor luminous element

Info

Publication number
JPS56105685A
JPS56105685A JP741480A JP741480A JPS56105685A JP S56105685 A JPS56105685 A JP S56105685A JP 741480 A JP741480 A JP 741480A JP 741480 A JP741480 A JP 741480A JP S56105685 A JPS56105685 A JP S56105685A
Authority
JP
Japan
Prior art keywords
amplifier
laser
comparator
value
output
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
JP741480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6155794B2 (enrdf_load_stackoverflow
Inventor
Masaru Nakamura
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 JP741480A priority Critical patent/JPS56105685A/ja
Publication of JPS56105685A publication Critical patent/JPS56105685A/ja
Publication of JPS6155794B2 publication Critical patent/JPS6155794B2/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)
  • Led Devices (AREA)
  • Semiconductor Lasers (AREA)
JP741480A 1980-01-26 1980-01-26 Monitoring circuit for semiconductor luminous element Granted JPS56105685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP741480A JPS56105685A (en) 1980-01-26 1980-01-26 Monitoring circuit for semiconductor luminous element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP741480A JPS56105685A (en) 1980-01-26 1980-01-26 Monitoring circuit for semiconductor luminous element

Publications (2)

Publication Number Publication Date
JPS56105685A true JPS56105685A (en) 1981-08-22
JPS6155794B2 JPS6155794B2 (enrdf_load_stackoverflow) 1986-11-29

Family

ID=11665201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP741480A Granted JPS56105685A (en) 1980-01-26 1980-01-26 Monitoring circuit for semiconductor luminous element

Country Status (1)

Country Link
JP (1) JPS56105685A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58222580A (ja) * 1982-06-19 1983-12-24 Pioneer Electronic Corp 発光機能を有するダイオ−ドの光出力制御回路
JPS63115241U (enrdf_load_stackoverflow) * 1987-01-20 1988-07-25
JP2009004788A (ja) * 2007-06-21 2009-01-08 Dongbu Hitek Co Ltd 発光ダイオード駆動回路

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58222580A (ja) * 1982-06-19 1983-12-24 Pioneer Electronic Corp 発光機能を有するダイオ−ドの光出力制御回路
JPS63115241U (enrdf_load_stackoverflow) * 1987-01-20 1988-07-25
JP2009004788A (ja) * 2007-06-21 2009-01-08 Dongbu Hitek Co Ltd 発光ダイオード駆動回路
US8148903B2 (en) 2007-06-21 2012-04-03 Dongbu Hitek Co., Ltd. Light emitting diode driving circuit

Also Published As

Publication number Publication date
JPS6155794B2 (enrdf_load_stackoverflow) 1986-11-29

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