DE602004002489D1 - Halbleiterlasertreiber, optische Schreibvorrichtung, Belichtungsvorrichtung und Verfahren zum Betreiben eines Halbleiterlasers - Google Patents

Halbleiterlasertreiber, optische Schreibvorrichtung, Belichtungsvorrichtung und Verfahren zum Betreiben eines Halbleiterlasers

Info

Publication number
DE602004002489D1
DE602004002489D1 DE602004002489T DE602004002489T DE602004002489D1 DE 602004002489 D1 DE602004002489 D1 DE 602004002489D1 DE 602004002489 T DE602004002489 T DE 602004002489T DE 602004002489 T DE602004002489 T DE 602004002489T DE 602004002489 D1 DE602004002489 D1 DE 602004002489D1
Authority
DE
Germany
Prior art keywords
semiconductor laser
operating
exposure apparatus
writing device
optical writing
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 - Lifetime
Application number
DE602004002489T
Other languages
English (en)
Other versions
DE602004002489T2 (de
Inventor
Kenichi Ono
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE602004002489D1 publication Critical patent/DE602004002489D1/de
Application granted granted Critical
Publication of DE602004002489T2 publication Critical patent/DE602004002489T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0912—Electronics or drivers for the pump source, i.e. details of drivers or circuitry specific for laser pumping
    • 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
    • H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser
    • 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
    • H01S5/06808—Stabilisation of laser output parameters by monitoring the electrical laser parameters, e.g. voltage or current
    • 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
DE602004002489T 2003-01-17 2004-01-15 Halbleiterlasertreiber, optische Schreibvorrichtung, Belichtungsvorrichtung und Verfahren zum Betreiben eines Halbleiterlasers Expired - Lifetime DE602004002489T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003010205A JP4217490B2 (ja) 2003-01-17 2003-01-17 半導体レーザ駆動装置、光書き込み装置、画像形成装置及び半導体レーザ駆動方法
JP2003010205 2003-01-17

Publications (2)

Publication Number Publication Date
DE602004002489D1 true DE602004002489D1 (de) 2006-11-09
DE602004002489T2 DE602004002489T2 (de) 2007-06-14

Family

ID=32588569

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004002489T Expired - Lifetime DE602004002489T2 (de) 2003-01-17 2004-01-15 Halbleiterlasertreiber, optische Schreibvorrichtung, Belichtungsvorrichtung und Verfahren zum Betreiben eines Halbleiterlasers

Country Status (5)

Country Link
US (2) US7292612B2 (de)
EP (1) EP1439619B1 (de)
JP (1) JP4217490B2 (de)
DE (1) DE602004002489T2 (de)
ES (1) ES2273100T3 (de)

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US9596724B2 (en) 2013-08-27 2017-03-14 Texas Instruments Incorporated Method and apparatus for calculating an average value of an inaccessible current from an accessible current
JP6381283B2 (ja) * 2014-05-16 2018-08-29 キヤノン株式会社 画像形成装置
CN106560743B (zh) * 2015-10-05 2019-11-19 船井电机株式会社 投射装置
US20170288369A1 (en) * 2016-04-01 2017-10-05 Macom Technology Solutions Holdings, Inc. Dual closed loop for laser power control
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US10938365B2 (en) 2018-05-18 2021-03-02 Macom Technology Solutions Holdings, Inc. Variable step size to reduce convergence time of a control loop
US11848653B2 (en) 2018-05-18 2023-12-19 Macom Technology Solutions Holdings, Inc. Method and apparatus to speed convergence and control behavior of digital control loop
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CN109283782A (zh) * 2018-11-26 2019-01-29 歌尔股份有限公司 一种激光器驱动装置、投影设备以及方法
CN114616804A (zh) 2019-09-19 2022-06-10 Macom技术解决方案控股公司 使用isi或q计算来调整均衡器设置
FR3101218B1 (fr) 2019-09-23 2022-07-01 Macom Tech Solutions Holdings Inc Adaptation d’égaliseur sur la base de mesures de dispositif de surveillance de l’œil
WO2021076800A1 (en) 2019-10-15 2021-04-22 Macom Technology Solutions Holdings, Inc. Finding the eye center with a low-power eye monitor using a 3-dimensional algorithm
US11575437B2 (en) 2020-01-10 2023-02-07 Macom Technology Solutions Holdings, Inc. Optimal equalization partitioning
EP4088394A4 (de) 2020-01-10 2024-02-07 Macom Tech Solutions Holdings Inc Optimale entzerrung der partitionierung
JP7424076B2 (ja) 2020-01-29 2024-01-30 株式会社リコー 画像処理装置、画像処理システム、撮像装置、画像処理方法およびプログラム
CN111970052B (zh) * 2020-08-07 2021-07-20 无锡市德科立光电子技术股份有限公司 基于计算的光模块光功率调试方法
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Also Published As

Publication number Publication date
US8253769B2 (en) 2012-08-28
US7292612B2 (en) 2007-11-06
US20080002747A1 (en) 2008-01-03
EP1439619B1 (de) 2006-09-27
EP1439619A3 (de) 2005-07-13
DE602004002489T2 (de) 2007-06-14
JP4217490B2 (ja) 2009-02-04
US20040188717A1 (en) 2004-09-30
JP2004216836A (ja) 2004-08-05
EP1439619A2 (de) 2004-07-21
ES2273100T3 (es) 2007-05-01

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