DE69032987T2 - Elektro-optischer Abtastapparat mit rauscharmer, gepulster Laserdiode - Google Patents

Elektro-optischer Abtastapparat mit rauscharmer, gepulster Laserdiode

Info

Publication number
DE69032987T2
DE69032987T2 DE69032987T DE69032987T DE69032987T2 DE 69032987 T2 DE69032987 T2 DE 69032987T2 DE 69032987 T DE69032987 T DE 69032987T DE 69032987 T DE69032987 T DE 69032987T DE 69032987 T2 DE69032987 T2 DE 69032987T2
Authority
DE
Germany
Prior art keywords
laser diode
pulsed light
noise
electro
low
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 - Fee Related
Application number
DE69032987T
Other languages
English (en)
Other versions
DE69032987D1 (de
Inventor
Yutaka Tsuchiya
Hironori Takahashi
Takuya 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.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics 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 Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Application granted granted Critical
Publication of DE69032987D1 publication Critical patent/DE69032987D1/de
Publication of DE69032987T2 publication Critical patent/DE69032987T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246
    • 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)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Heads (AREA)
DE69032987T 1989-08-02 1990-08-02 Elektro-optischer Abtastapparat mit rauscharmer, gepulster Laserdiode Expired - Fee Related DE69032987T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20110489 1989-08-02

Publications (2)

Publication Number Publication Date
DE69032987D1 DE69032987D1 (de) 1999-04-15
DE69032987T2 true DE69032987T2 (de) 1999-07-08

Family

ID=16435470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69032987T Expired - Fee Related DE69032987T2 (de) 1989-08-02 1990-08-02 Elektro-optischer Abtastapparat mit rauscharmer, gepulster Laserdiode

Country Status (4)

Country Link
US (1) US5128950A (de)
EP (1) EP0411641B1 (de)
AT (1) ATE177568T1 (de)
DE (1) DE69032987T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2917333B2 (ja) * 1989-11-30 1999-07-12 日本電気株式会社 光送信方法及び光送信装置
US5179565A (en) * 1990-06-07 1993-01-12 Hamamatsu Photonics, K.K. Low noise pulsed light source utilizing laser diode and voltage detector device utilizing same low noise pulsed light source
JPH0777279B2 (ja) * 1990-07-27 1995-08-16 パイオニア株式会社 光パルス発生装置
JP2914586B2 (ja) * 1990-12-12 1999-07-05 株式会社アドバンテスト 発振器及びこの発振器を利用した光周波数測定装置
IT1241364B (it) * 1990-12-21 1994-01-10 Cselt Centro Studi Lab Telecom Sistema di emissione sdi segnali ottici modulati
WO1993006642A1 (en) * 1991-09-20 1993-04-01 The University Of Melbourne A self-tuned mode-locked laser
US5199037A (en) * 1991-09-24 1993-03-30 Rockwell International Corporation Extended laser life
US5293545A (en) * 1992-07-27 1994-03-08 General Instrument Corporation Optical source with reduced relative intensity noise
US5289480A (en) * 1993-02-03 1994-02-22 Gte Laboratories Incorporated Triple-function semiconductor laser amplifier
US5442510A (en) * 1993-06-23 1995-08-15 The United States Of America As Represented By The Secretary Of The Navy Control system for tracking nonlinear systems
JPH09214039A (ja) * 1996-02-07 1997-08-15 Canon Inc エネルギ量制御方法
US5706303A (en) * 1996-04-09 1998-01-06 Lawrence; Zachary Andrew Laser diode coupling and bias circuit and method
US5987045A (en) * 1997-04-02 1999-11-16 The United States Of America As Represented By The Secretary Of The Navy High power narrow pulse laser diode circuit
US6377594B1 (en) * 1999-10-15 2002-04-23 Hewlett-Packard Company Apparatus and method for analysis and control of a train of high speed, high power, multi-level laser pulses
KR100848578B1 (ko) 2007-03-29 2008-07-25 한국전기연구원 싱글포톤 카운터용 클럭 발생회로
US20120183004A1 (en) * 2010-12-13 2012-07-19 Redfern Integrated Optics, Inc. Ultra-Low Frequency-Noise Semiconductor Laser With Electronic Frequency Feedback Control and Homodyne Optical Phase Demodulation
TW201421926A (zh) * 2012-11-20 2014-06-01 Yung-Shun Wu 用於提升光接收器靈敏度之檢光裝置
BR112015023970B1 (pt) 2013-03-19 2022-03-15 The University Of Tokyo Dispositivo de medição de distribuição de potencial de superfície
JP6642154B2 (ja) 2016-03-17 2020-02-05 富士通株式会社 光送信器および光信号を送信する方法
CN110050394B (zh) * 2016-12-09 2021-01-12 古河电气工业株式会社 脉冲激光装置、加工装置及脉冲激光装置的控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005153A (nl) * 1980-09-15 1982-04-01 Philips Nv Inrichting voor het moduleren van het uitgangssignaal van een omzetter, bijvoorbeeld een electro-optische omzetter.
JPS59182637A (ja) * 1983-03-31 1984-10-17 Matsushita Electric Ind Co Ltd ビデオ信号光伝送装置
US4689795A (en) * 1984-04-27 1987-08-25 Mitsubishi Denki Kabushiki Kaisha Semiconductor laser controller
US4698817A (en) * 1985-02-28 1987-10-06 Northern Telecom Limited Peak optical power control circuit for laser driver
EP0218449B1 (de) * 1985-09-30 1992-03-04 Kabushiki Kaisha Toshiba Einrichtung zur Stabilisierung der optischen Ausgangsleistung eines Halbleiterlasers
NZ218022A (en) * 1985-10-22 1991-01-29 Fujitsu Ltd Compensated regulation of light output from semiconductor laser
US4677632A (en) * 1985-10-28 1987-06-30 American Telephone And Telegraph Company, At&T Bell Laboratories Coupled loop controller for a laser transmitter
US4819242A (en) * 1985-11-20 1989-04-04 Hitachi, Ltd. Semiconductor laser driver circuit
JPH0819604B2 (ja) * 1986-01-13 1996-02-28 津田駒工業株式会社 流体噴射式織機のよこ入れ自己診断装置
US4799069A (en) * 1986-04-18 1989-01-17 Minolta Camera Kabushiki Kaisha Laser recording apparatus
US4906922A (en) * 1987-07-13 1990-03-06 Hamamatsu Photonics K. K. Voltage mapping device having fast time resolution
JPH0758819B2 (ja) * 1987-09-25 1995-06-21 株式会社東芝 半導体レーザ駆動装置
JPH0273682A (ja) * 1988-09-08 1990-03-13 Nippon Digital Equip Kk レーザダイオード駆動方法及び装置

Also Published As

Publication number Publication date
US5128950A (en) 1992-07-07
EP0411641A3 (en) 1991-10-23
DE69032987D1 (de) 1999-04-15
EP0411641B1 (de) 1999-03-10
EP0411641A2 (de) 1991-02-06
ATE177568T1 (de) 1999-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee