DE112020006062A5 - Laser-lichtquelle und lidar-system mit der laser-lichtquelle - Google Patents

Laser-lichtquelle und lidar-system mit der laser-lichtquelle Download PDF

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Publication number
DE112020006062A5
DE112020006062A5 DE112020006062.4T DE112020006062T DE112020006062A5 DE 112020006062 A5 DE112020006062 A5 DE 112020006062A5 DE 112020006062 T DE112020006062 T DE 112020006062T DE 112020006062 A5 DE112020006062 A5 DE 112020006062A5
Authority
DE
Germany
Prior art keywords
light source
laser light
lidar system
lidar
laser
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.)
Pending
Application number
DE112020006062.4T
Other languages
English (en)
Inventor
Hubert Halbritter
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.)
Ams Osram International GmbH
Original Assignee
Osram Opto Semiconductors 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 Osram Opto Semiconductors GmbH filed Critical Osram Opto Semiconductors GmbH
Publication of DE112020006062A5 publication Critical patent/DE112020006062A5/de
Pending 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
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/42—Arrays of surface emitting lasers
    • H01S5/423—Arrays of surface emitting lasers having a vertical cavity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • 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
    • H01S5/041—Optical 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
    • 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
    • H01S5/0622—Controlling the frequency of the radiation
    • 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
    • H01S5/10—Construction 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
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18386—Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
    • H01S5/18394—Apertures, e.g. defined by the shape of the upper electrode
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4911—Transmitters
    • 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
    • H01S5/0425—Electrodes, e.g. characterised by the structure
    • H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
    • 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
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4006—Injection locking

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Semiconductor Lasers (AREA)
DE112020006062.4T 2019-12-10 2020-12-03 Laser-lichtquelle und lidar-system mit der laser-lichtquelle Pending DE112020006062A5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102019133797.6 2019-12-10
DE102019133797.6A DE102019133797A1 (de) 2019-12-10 2019-12-10 Laser-lichtquelle und lidar-system mit der laser-lichtquelle
PCT/EP2020/084484 WO2021115922A1 (de) 2019-12-10 2020-12-03 Laser-lichtquelle und lidar-system mit der laser-lichtquelle

Publications (1)

Publication Number Publication Date
DE112020006062A5 true DE112020006062A5 (de) 2022-09-22

Family

ID=73698861

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102019133797.6A Withdrawn DE102019133797A1 (de) 2019-12-10 2019-12-10 Laser-lichtquelle und lidar-system mit der laser-lichtquelle
DE112020006062.4T Pending DE112020006062A5 (de) 2019-12-10 2020-12-03 Laser-lichtquelle und lidar-system mit der laser-lichtquelle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102019133797.6A Withdrawn DE102019133797A1 (de) 2019-12-10 2019-12-10 Laser-lichtquelle und lidar-system mit der laser-lichtquelle

Country Status (4)

Country Link
US (1) US20230016296A1 (de)
CN (1) CN114746768A (de)
DE (2) DE102019133797A1 (de)
WO (1) WO2021115922A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677629A (en) * 1985-09-30 1987-06-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Means for phase locking the outputs of a surface emitting laser diode array
US4751705A (en) * 1986-10-07 1988-06-14 The United States Of America As Represented By The United States Department Of Energy Single-element optical injection locking of diode-laser arrays
US5331654A (en) * 1993-03-05 1994-07-19 Photonics Research Incorporated Polarized surface-emitting laser
DE19948353B4 (de) * 1999-10-07 2012-08-30 Universität Stuttgart Institut für Strahlwerkzeuge Laserstrahlungsquelle und Verfahren zum Erzeugen eines kohärenten Gesamtlaserstrahlungsfeldes
US6782016B2 (en) * 2001-11-30 2004-08-24 Ut-Battelle, L.L.C. Master laser injection of broad area lasers
DE10260183A1 (de) * 2002-12-20 2004-07-15 Osram Opto Semiconductors Gmbh Vertikal emittierender, optisch gepumpter Halbleiterlaser mit externem Resonator
DE10313608A1 (de) * 2003-03-26 2004-10-14 Osram Opto Semiconductors Gmbh Optoelektronisches Bauelement mit mehreren oberflächenemittierenden, optisch gepumpten Halbleiterlasern mit externem Resonator
DE102007011804A1 (de) * 2007-01-25 2008-07-31 Osram Opto Semiconductors Gmbh Messanordnung und Messsystem

Also Published As

Publication number Publication date
US20230016296A1 (en) 2023-01-19
DE102019133797A1 (de) 2021-06-10
WO2021115922A1 (de) 2021-06-17
CN114746768A (zh) 2022-07-12

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