DE3726243A1 - Schaltungsanordnung zur regelung der leistung einer laserdiode - Google Patents

Schaltungsanordnung zur regelung der leistung einer laserdiode

Info

Publication number
DE3726243A1
DE3726243A1 DE19873726243 DE3726243A DE3726243A1 DE 3726243 A1 DE3726243 A1 DE 3726243A1 DE 19873726243 DE19873726243 DE 19873726243 DE 3726243 A DE3726243 A DE 3726243A DE 3726243 A1 DE3726243 A1 DE 3726243A1
Authority
DE
Germany
Prior art keywords
laser diode
diode
controller
circuit arrangement
power
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.)
Granted
Application number
DE19873726243
Other languages
German (de)
English (en)
Other versions
DE3726243C2 (enExample
Inventor
Hans-Juergen Dipl Ing Mundt
Ziaedin Dr Ing Chahabadi
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.)
KE Kommunikations Elektronik GmbH and Co
Original Assignee
Kabelmetal Electro 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 Kabelmetal Electro GmbH filed Critical Kabelmetal Electro GmbH
Priority to DE19873726243 priority Critical patent/DE3726243A1/de
Publication of DE3726243A1 publication Critical patent/DE3726243A1/de
Application granted granted Critical
Publication of DE3726243C2 publication Critical patent/DE3726243C2/de
Granted 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
    • H01S5/06—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
    • 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
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
DE19873726243 1987-08-07 1987-08-07 Schaltungsanordnung zur regelung der leistung einer laserdiode Granted DE3726243A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873726243 DE3726243A1 (de) 1987-08-07 1987-08-07 Schaltungsanordnung zur regelung der leistung einer laserdiode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873726243 DE3726243A1 (de) 1987-08-07 1987-08-07 Schaltungsanordnung zur regelung der leistung einer laserdiode

Publications (2)

Publication Number Publication Date
DE3726243A1 true DE3726243A1 (de) 1989-02-16
DE3726243C2 DE3726243C2 (enExample) 1992-05-21

Family

ID=6333245

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873726243 Granted DE3726243A1 (de) 1987-08-07 1987-08-07 Schaltungsanordnung zur regelung der leistung einer laserdiode

Country Status (1)

Country Link
DE (1) DE3726243A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4111802C1 (en) * 1991-04-11 1992-06-04 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De Protecting eyes from continuous wave semiconductor laser - driving laser diode followed by optical attenuator by regulating circuit at upper limit permissible for continuous operation
EP0506178A3 (en) * 1991-03-25 1993-06-09 N.V. Philips' Gloeilampenfabrieken Power supply apparatus
US6518962B2 (en) 1997-03-12 2003-02-11 Seiko Epson Corporation Pixel circuit display apparatus and electronic apparatus equipped with current driving type light-emitting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2045516A (en) * 1979-03-26 1980-10-29 Bosch Gmbh Robert Limiter circuit for a semiconductor laser

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2045516A (en) * 1979-03-26 1980-10-29 Bosch Gmbh Robert Limiter circuit for a semiconductor laser

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0506178A3 (en) * 1991-03-25 1993-06-09 N.V. Philips' Gloeilampenfabrieken Power supply apparatus
DE4111802C1 (en) * 1991-04-11 1992-06-04 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De Protecting eyes from continuous wave semiconductor laser - driving laser diode followed by optical attenuator by regulating circuit at upper limit permissible for continuous operation
US6518962B2 (en) 1997-03-12 2003-02-11 Seiko Epson Corporation Pixel circuit display apparatus and electronic apparatus equipped with current driving type light-emitting device
EP0923067B1 (en) * 1997-03-12 2004-08-04 Seiko Epson Corporation Pixel circuit, display device and electronic equipment having current-driven light-emitting device
US7362322B2 (en) 1997-03-12 2008-04-22 Seiko Epson Corporation Pixel circuit, display apparatus and electronic apparatus equipped with current driving type light-emitting device

Also Published As

Publication number Publication date
DE3726243C2 (enExample) 1992-05-21

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: KE KOMMUNIKATIONS-ELEKTRONIK GMBH & CO, 3000 HANNO

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee