TW347606B - Semiconductor laser drive circuit, semiconductor laser device, image recording device and optical disk device - Google Patents
Semiconductor laser drive circuit, semiconductor laser device, image recording device and optical disk deviceInfo
- Publication number
- TW347606B TW347606B TW085111687A TW85111687A TW347606B TW 347606 B TW347606 B TW 347606B TW 085111687 A TW085111687 A TW 085111687A TW 85111687 A TW85111687 A TW 85111687A TW 347606 B TW347606 B TW 347606B
- Authority
- TW
- Taiwan
- Prior art keywords
- semiconductor laser
- driving signal
- emission
- driving
- receiving
- Prior art date
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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
-
- 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
- H01S5/06832—Stabilising during amplitude modulation
-
- 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
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
- H01S5/06213—Amplitude modulation
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Semiconductor Lasers (AREA)
- Optical Head (AREA)
- Laser Beam Printer (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21071495 | 1995-08-18 | ||
JP8196690A JP2909438B2 (ja) | 1995-08-18 | 1996-07-25 | 半導体レーザ駆動回路、半導体レーザ装置、画像記録装置並びに光ディスク装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW347606B true TW347606B (en) | 1998-12-11 |
Family
ID=26509910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW085111687A TW347606B (en) | 1995-08-18 | 1996-09-24 | Semiconductor laser drive circuit, semiconductor laser device, image recording device and optical disk device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0762574A1 (zh) |
JP (1) | JP2909438B2 (zh) |
KR (1) | KR100210982B1 (zh) |
TW (1) | TW347606B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002525856A (ja) * | 1998-09-11 | 2002-08-13 | ニュー・フォーカス・インコーポレイテッド | 波長可変レーザ |
US6516015B1 (en) * | 1998-11-19 | 2003-02-04 | Matsushita Electric Industrial Co., Ltd. | Laser driver and optical transceiver |
US6674774B1 (en) | 2000-05-10 | 2004-01-06 | Infineon Technologies North America Corp. | Chopped laser driver for low noise applications |
US20020050519A1 (en) | 2000-10-26 | 2002-05-02 | Oliva Guido M. | Laser module for reading optical codes |
EP2093694B1 (en) * | 2000-10-26 | 2011-06-22 | Datalogic S.p.A. | Receiving chamber for a laser reader |
JP4581345B2 (ja) * | 2003-08-08 | 2010-11-17 | 富士ゼロックス株式会社 | 発光素子駆動装置及び画像形成装置 |
JP4193065B2 (ja) | 2005-01-28 | 2008-12-10 | ソニー株式会社 | 光検出装置、光ピックアップおよび光ディスク装置 |
US20070127530A1 (en) * | 2005-12-05 | 2007-06-07 | Bookham Technology, Plc. | Laser control |
JP4714103B2 (ja) * | 2006-07-21 | 2011-06-29 | 株式会社東芝 | 光送信装置 |
JP4309939B2 (ja) | 2006-12-27 | 2009-08-05 | 株式会社東芝 | 半導体レーザ駆動装置,光ヘッド,および光ディスク装置 |
JP5120969B2 (ja) * | 2010-01-13 | 2013-01-16 | 日本電信電話株式会社 | 低電力レーザ駆動回路 |
KR101712210B1 (ko) * | 2011-02-18 | 2017-03-14 | 매그나칩 반도체 유한회사 | Pwm 제어 회로 및 이를 이용한 led 구동회로 |
JP6225475B2 (ja) * | 2013-05-15 | 2017-11-08 | 株式会社リコー | 半導体レーザー駆動装置及び画像形成装置 |
JP2019053137A (ja) * | 2017-09-13 | 2019-04-04 | キヤノン株式会社 | 光走査装置、画像形成装置及び管理システム |
CN114384387A (zh) * | 2021-12-17 | 2022-04-22 | 苏州联讯仪器有限公司 | 可扩展性精密源表 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5894143A (ja) * | 1981-12-01 | 1983-06-04 | Matsushita Electric Ind Co Ltd | 光学的記録再生装置 |
NL8601510A (nl) * | 1986-06-11 | 1988-01-04 | Philips Nv | Inrichting voor het aansturen van een laser. |
US4791632A (en) * | 1987-01-09 | 1988-12-13 | Sperry Corporation | Compensated laser diode transmitter |
EP0309791B1 (de) * | 1987-09-21 | 1991-09-25 | Siemens Aktiengesellschaft | Schnelle Ansteuerungsschaltung für eine Halbleiter-Laserdiode |
-
1996
- 1996-07-25 JP JP8196690A patent/JP2909438B2/ja not_active Expired - Fee Related
- 1996-08-16 KR KR1019960033843A patent/KR100210982B1/ko not_active IP Right Cessation
- 1996-08-19 EP EP96113253A patent/EP0762574A1/en not_active Withdrawn
- 1996-09-24 TW TW085111687A patent/TW347606B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH09121068A (ja) | 1997-05-06 |
JP2909438B2 (ja) | 1999-06-23 |
EP0762574A1 (en) | 1997-03-12 |
KR970013536A (ko) | 1997-03-29 |
KR100210982B1 (ko) | 1999-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW347606B (en) | Semiconductor laser drive circuit, semiconductor laser device, image recording device and optical disk device | |
EP1808854A3 (en) | Light source driving unit and optical storage apparatus | |
EP0853313A3 (en) | Optical disc system | |
ES2127964T3 (es) | Controlador de modulacion de laser que utiliza control de nivel de modulacion electrica nrz. | |
EP1439619A3 (en) | Semiconductor laser drive apparatus, optical write apparatus, imaging apparatus, and semiconductor laser drive method | |
JP2002520986A5 (zh) | ||
CA2017904A1 (en) | High frequency amplifier circuit capable of optimizing a total power consumption | |
EP0718977A3 (en) | Output driver circuitry with selectable limited output high voltage | |
CA2048237A1 (en) | Apparatus for supplying current to laser diode with automatic power control | |
DE69821182D1 (de) | Leistungsversorgungssteuersystem | |
EP0944186A3 (en) | Light emitting element driving apparatus | |
EP1058246A3 (en) | Method and apparatus of controlling power supplied to laser diode | |
EP0718739A3 (en) | Voltage reference circuit using an offset compensating current source | |
EP0519729A2 (en) | Magnetic head driving circuit | |
EP0352125A3 (en) | A semiconductor laser driving apparatus | |
JPS6471751A (en) | Control circuit for laser printer | |
US5355360A (en) | Semiconductor laser controlling apparatus | |
CA2203489A1 (en) | Circuit in cmos technology for high speed driving of optical sources | |
EP1017051A3 (en) | Gain controlling apparatus and method, information reproducing apparatus and method, and information recording apparatus and method | |
EP0377537A3 (en) | Circuit for providing fast output current control in a current mode switching power supply | |
JPS6476545A (en) | Laser power control device | |
MY125373A (en) | Optical disk apparatus, focus-value correcting method, and optical disk. | |
EP0952575A3 (en) | Output control device for optical pick-up and method for controlling output of the optical pick-up | |
JPS6410429A (en) | Laser diode driving device | |
JPS6466836A (en) | Semiconductor laser driving circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |