CH455077A - Vorrichtung zum Abtasten von Objekten mittels der Strahlen eines Injektionslasers und Verfahren zu ihrem Betrieb - Google Patents

Vorrichtung zum Abtasten von Objekten mittels der Strahlen eines Injektionslasers und Verfahren zu ihrem Betrieb

Info

Publication number
CH455077A
CH455077A CH255566A CH255566A CH455077A CH 455077 A CH455077 A CH 455077A CH 255566 A CH255566 A CH 255566A CH 255566 A CH255566 A CH 255566A CH 455077 A CH455077 A CH 455077A
Authority
CH
Switzerland
Prior art keywords
beams
injection laser
scanning objects
scanning
objects
Prior art date
Application number
CH255566A
Other languages
English (en)
Inventor
Bradbury Williams Howard
Ramanlal Shah Bankim
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH455077A publication Critical patent/CH455077A/de

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/04Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042Electrical excitation ; Circuits therefor
    • H01S5/0425Electrodes, e.g. characterised by the structure
    • H01S5/04254Electrodes, e.g. characterised by the structure characterised by the shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/04Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042Electrical excitation ; Circuits therefor
    • H01S5/0425Electrodes, e.g. characterised by the structure
    • H01S5/04256Electrodes, e.g. characterised by the structure characterised by the configuration
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • H01S5/06251Amplitude modulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06233Controlling other output parameters than intensity or frequency
    • H01S5/06243Controlling other output parameters than intensity or frequency controlling the position or direction of the emitted beam
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/1082Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region with a special facet structure, e.g. structured, non planar, oblique

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Semiconductor Lasers (AREA)
  • Radiation-Therapy Devices (AREA)
CH255566A 1965-02-26 1966-02-22 Vorrichtung zum Abtasten von Objekten mittels der Strahlen eines Injektionslasers und Verfahren zu ihrem Betrieb CH455077A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US435476A US3402366A (en) 1965-02-26 1965-02-26 Beam scanning in injection lasers

Publications (1)

Publication Number Publication Date
CH455077A true CH455077A (de) 1968-04-30

Family

ID=23728572

Family Applications (1)

Application Number Title Priority Date Filing Date
CH255566A CH455077A (de) 1965-02-26 1966-02-22 Vorrichtung zum Abtasten von Objekten mittels der Strahlen eines Injektionslasers und Verfahren zu ihrem Betrieb

Country Status (7)

Country Link
US (1) US3402366A (de)
CH (1) CH455077A (de)
DE (1) DE1282211B (de)
FR (1) FR1462818A (de)
GB (1) GB1097023A (de)
NL (1) NL143753B (de)
SE (1) SE335893B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508111A (en) * 1966-09-21 1970-04-21 Ibm Light emitting semiconductor device with light emission from selected portion(s) of p-n junction
US3534290A (en) * 1967-02-01 1970-10-13 Gen Electric Semiconductor laser beacon for rotating an output beam
US3517337A (en) * 1967-10-26 1970-06-23 Ibm Modulation of scanning beams in injection lasers
US3543084A (en) * 1968-01-22 1970-11-24 Ppg Industries Inc Plasma arc gas heater
DE1789061A1 (de) * 1968-09-30 1971-12-23 Siemens Ag Laserdiode
US3605037A (en) * 1969-05-02 1971-09-14 Bell Telephone Labor Inc Curved junction laser devices
US3701044A (en) * 1970-06-29 1972-10-24 Bell Telephone Labor Inc Optical coupling of adjacent stripe contact geometry semiconductor lasers
NL7608561A (nl) * 1976-08-02 1978-02-06 Philips Nv Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur.
NL7801181A (nl) * 1978-02-02 1979-08-06 Philips Nv Injectielaser.
US4255717A (en) * 1978-10-30 1981-03-10 Xerox Corporation Monolithic multi-emitting laser device
HU191000B (en) * 1978-12-28 1986-12-28 Mta Koezponti Fizikai Kutato Intezete,Hu Method for making plane or spherical laser and equipment to this laser
JPS63199480A (ja) * 1987-02-16 1988-08-17 Sharp Corp 半導体レ−ザ走査装置
DE3719868A1 (de) * 1987-06-13 1988-12-22 Messerschmitt Boelkow Blohm Laserdiode
US4878222A (en) * 1988-08-05 1989-10-31 Eastman Kodak Company Diode laser with improved means for electrically modulating the emitted light beam intensity including turn-on and turn-off and electrically controlling the position of the emitted laser beam spot

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1389534A (fr) * 1962-12-31 1965-02-19 Ibm Dispositifs logiques
US3344365A (en) * 1963-06-03 1967-09-26 Rca Corp Laser system employing means with no moving parts for producing an angularly rotatable beam of coherent light
US3363195A (en) * 1963-07-01 1968-01-09 Bell Telephone Labor Inc Junction diode maser

Also Published As

Publication number Publication date
NL143753B (nl) 1974-10-15
US3402366A (en) 1968-09-17
GB1097023A (en) 1967-12-29
NL6601666A (de) 1966-08-29
FR1462818A (fr) 1966-12-16
SE335893B (de) 1971-06-14
DE1282211B (de) 1968-11-07

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