JPH0262170B2 - - Google Patents

Info

Publication number
JPH0262170B2
JPH0262170B2 JP60196757A JP19675785A JPH0262170B2 JP H0262170 B2 JPH0262170 B2 JP H0262170B2 JP 60196757 A JP60196757 A JP 60196757A JP 19675785 A JP19675785 A JP 19675785A JP H0262170 B2 JPH0262170 B2 JP H0262170B2
Authority
JP
Japan
Prior art keywords
laser diode
voltage
switch
capacitor
amplifier
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.)
Expired
Application number
JP60196757A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6256835A (ja
Inventor
Takuya Hosoda
Shoji Adachi
Atsushi Kudo
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.)
Ando Electric Co Ltd
Original Assignee
Ando Electric 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 Ando Electric Co Ltd filed Critical Ando Electric Co Ltd
Priority to JP60196757A priority Critical patent/JPS6256835A/ja
Priority to US06/904,122 priority patent/US4798950A/en
Publication of JPS6256835A publication Critical patent/JPS6256835A/ja
Publication of JPH0262170B2 publication Critical patent/JPH0262170B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Semiconductor Lasers (AREA)
JP60196757A 1985-09-05 1985-09-05 レ−ザダイオ−ドの発光特性測定装置 Granted JPS6256835A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60196757A JPS6256835A (ja) 1985-09-05 1985-09-05 レ−ザダイオ−ドの発光特性測定装置
US06/904,122 US4798950A (en) 1985-09-05 1986-09-04 Radiation characteristic measuring apparatus for laser diode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60196757A JPS6256835A (ja) 1985-09-05 1985-09-05 レ−ザダイオ−ドの発光特性測定装置

Publications (2)

Publication Number Publication Date
JPS6256835A JPS6256835A (ja) 1987-03-12
JPH0262170B2 true JPH0262170B2 (US20090163788A1-20090625-C00002.png) 1990-12-25

Family

ID=16363108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60196757A Granted JPS6256835A (ja) 1985-09-05 1985-09-05 レ−ザダイオ−ドの発光特性測定装置

Country Status (2)

Country Link
US (1) US4798950A (US20090163788A1-20090625-C00002.png)
JP (1) JPS6256835A (US20090163788A1-20090625-C00002.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146079A (en) * 1990-11-01 1992-09-08 At&T Bell Laboratories Broadband optical receiver with active bias feedback circuit
US5600128A (en) * 1995-04-20 1997-02-04 Hewlett-Packard Company Infrared receiver with variable input resistance for optical communication systems
CN104330244A (zh) * 2014-11-23 2015-02-04 保定维特瑞交通设施工程有限责任公司 交通控制显示单元光电性能参数的测试装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687558A (en) * 1971-07-16 1972-08-29 Us Air Force Laser power-energy meter
US4459475A (en) * 1982-03-29 1984-07-10 Bell & Howell Company Automatic calibration for D.C. transducers

Also Published As

Publication number Publication date
US4798950A (en) 1989-01-17
JPS6256835A (ja) 1987-03-12

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