DE60001538T2 - Laserregelkreis mit automatischer Anpassung an die Polarität des Überwachungssignals - Google Patents

Laserregelkreis mit automatischer Anpassung an die Polarität des Überwachungssignals

Info

Publication number
DE60001538T2
DE60001538T2 DE60001538T DE60001538T DE60001538T2 DE 60001538 T2 DE60001538 T2 DE 60001538T2 DE 60001538 T DE60001538 T DE 60001538T DE 60001538 T DE60001538 T DE 60001538T DE 60001538 T2 DE60001538 T2 DE 60001538T2
Authority
DE
Germany
Prior art keywords
polarity
control loop
monitoring signal
laser control
automatic adaptation
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
DE60001538T
Other languages
English (en)
Other versions
DE60001538D1 (de
Inventor
Steffen Lehr
Ruediger Brunheim
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Priority to DE60001538T priority Critical patent/DE60001538T2/de
Publication of DE60001538D1 publication Critical patent/DE60001538D1/de
Application granted granted Critical
Publication of DE60001538T2 publication Critical patent/DE60001538T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01S5/06—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
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Head (AREA)
  • Lasers (AREA)
DE60001538T 1999-12-20 2000-12-11 Laserregelkreis mit automatischer Anpassung an die Polarität des Überwachungssignals Expired - Lifetime DE60001538T2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE60001538T DE60001538T2 (de) 1999-12-20 2000-12-11 Laserregelkreis mit automatischer Anpassung an die Polarität des Überwachungssignals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19961056A DE19961056A1 (de) 1999-12-20 1999-12-20 Laserregelkreis mit automatischer Anpassung an die Monitorsignalpolarität
DE60001538T DE60001538T2 (de) 1999-12-20 2000-12-11 Laserregelkreis mit automatischer Anpassung an die Polarität des Überwachungssignals

Publications (2)

Publication Number Publication Date
DE60001538D1 DE60001538D1 (de) 2003-04-10
DE60001538T2 true DE60001538T2 (de) 2003-09-25

Family

ID=7933143

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19961056A Withdrawn DE19961056A1 (de) 1999-12-20 1999-12-20 Laserregelkreis mit automatischer Anpassung an die Monitorsignalpolarität
DE60001538T Expired - Lifetime DE60001538T2 (de) 1999-12-20 2000-12-11 Laserregelkreis mit automatischer Anpassung an die Polarität des Überwachungssignals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19961056A Withdrawn DE19961056A1 (de) 1999-12-20 1999-12-20 Laserregelkreis mit automatischer Anpassung an die Monitorsignalpolarität

Country Status (7)

Country Link
US (1) US6539036B2 (de)
EP (1) EP1111745B1 (de)
JP (1) JP4925075B2 (de)
CN (1) CN1194454C (de)
DE (2) DE19961056A1 (de)
MX (1) MXPA00012463A (de)
TW (1) TW475305B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7079775B2 (en) 2001-02-05 2006-07-18 Finisar Corporation Integrated memory mapped controller circuit for fiber optics transceiver
JP4449260B2 (ja) * 2001-06-19 2010-04-14 ソニー株式会社 光ディスク記録再生装置のレーザダイオード駆動回路
EP1441425A1 (de) * 2003-01-21 2004-07-28 Deutsche Thomson-Brandt Gmbh Verfahren und elektronischer Schaltkreis zur Steuerung der Versorgungsspannung einer Laserdiode
EP1450455B1 (de) * 2003-01-21 2006-01-25 Thomson Licensing Verfahren und elektronischer Schaltkreis zur Steuerung der Versorgungsspannung einer Laserdiode
JP4133897B2 (ja) * 2004-03-29 2008-08-13 シャープ株式会社 光受信機
JP2006072058A (ja) * 2004-09-03 2006-03-16 Pentax Corp レーザ走査装置
US7912380B2 (en) * 2005-03-25 2011-03-22 Sumitomo Electric Industries, Ltd. Optical receiver
US8159956B2 (en) * 2008-07-01 2012-04-17 Finisar Corporation Diagnostics for serial communication busses
CN102684777A (zh) * 2012-06-14 2012-09-19 青岛海信宽带多媒体技术有限公司 光模块及其初始化方法和装置
JP5990415B2 (ja) * 2012-07-02 2016-09-14 Ｋｙｂ株式会社 ブレーキ操作検出装置
US10648909B2 (en) 2017-05-25 2020-05-12 Abbott Laboratories Methods and systems for assessing flow cell cleanliness
CN116435865B (zh) * 2023-04-24 2024-06-11 深圳市芯波微电子有限公司 激光二极管驱动控制电路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108562A1 (de) * 1982-11-05 1984-05-16 British Telecommunications Verfahren und Vorrichtung zum Steuern von Lasern
JPS61274379A (ja) 1985-05-29 1986-12-04 Olympus Optical Co Ltd 半導体レ−ザ駆動装置
EP0218449B1 (de) * 1985-09-30 1992-03-04 Kabushiki Kaisha Toshiba Einrichtung zur Stabilisierung der optischen Ausgangsleistung eines Halbleiterlasers
JPH01134982A (ja) * 1987-11-20 1989-05-26 Hitachi Ltd モニタ用受光素子内蔵光電子装置およびモニタ用受光素子
JP2687544B2 (ja) * 1989-02-01 1997-12-08 日本電気株式会社 光学的記録再生装置
DE4010054A1 (de) 1990-03-29 1991-10-02 Bandemer Adalbert Dr Ing Praezisionsregelung fuer laserdioden
US5142544A (en) * 1990-09-04 1992-08-25 Coherent, Inc Method and apparatus for controlling the power supply of a laser operating in a pulse mode
US5355082A (en) * 1992-03-27 1994-10-11 Tandy Corporation Automatic transistor checker
KR0185952B1 (ko) 1996-06-28 1999-04-15 김광호 레이저출력안정화서보
JP3780577B2 (ja) 1996-09-10 2006-05-31 日産自動車株式会社 エンジンの点火時期制御装置
EP0927888B1 (de) 1997-12-29 2004-09-29 Deutsche Thomson Brandt Photodiodendetektorschaltung zur automatischen Anpassung an Vorwärtsvorspannung oder umgekehrter Vorspannung
EP0928971A1 (de) * 1997-12-29 1999-07-14 Deutsche Thomson Brandt Photodiodendetektorschaltung zur automatischen Anpassung an Vorwärtsvorspannung oder umgekehrter Vorspannung

Also Published As

Publication number Publication date
US6539036B2 (en) 2003-03-25
EP1111745B1 (de) 2003-03-05
EP1111745A1 (de) 2001-06-27
TW475305B (en) 2002-02-01
MXPA00012463A (es) 2002-06-04
CN1301073A (zh) 2001-06-27
CN1194454C (zh) 2005-03-23
JP4925075B2 (ja) 2012-04-25
DE60001538D1 (de) 2003-04-10
DE19961056A1 (de) 2001-06-21
JP2001210906A (ja) 2001-08-03
US20010004367A1 (en) 2001-06-21

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