SE545314C2 - Method and apparatus for laser beam mudulation and beam steering - Google Patents

Method and apparatus for laser beam mudulation and beam steering

Info

Publication number
SE545314C2
SE545314C2 SE2150384A SE2150384A SE545314C2 SE 545314 C2 SE545314 C2 SE 545314C2 SE 2150384 A SE2150384 A SE 2150384A SE 2150384 A SE2150384 A SE 2150384A SE 545314 C2 SE545314 C2 SE 545314C2
Authority
SE
Sweden
Prior art keywords
laser
array
vcsel
pattern
emitters
Prior art date
Application number
SE2150384A
Other languages
English (en)
Other versions
SE2150384A1 (en
Inventor
Asmari Abdullah Shah
Arif Haider
Original Assignee
Sense Range Ab
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 Sense Range Ab filed Critical Sense Range Ab
Priority to SE2150384A priority Critical patent/SE545314C2/en
Publication of SE2150384A1 publication Critical patent/SE2150384A1/en
Publication of SE545314C2 publication Critical patent/SE545314C2/en

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
    • 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
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Laser Surgery Devices (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Claims (6)

en
1. En laseremitterande anordning (100) som omfattar, - en rumslig modulator som omfattar ett flertal individuellt adresserbara kolv- eller avböjnings pixelelement, - minst en laseremitter som är fäst på en övre yta av minst två av de flera individuellt adresserbara pixelelementen (110), där den rumsliga modulatorn är konfigurerad för att i drift fasmodulera det emitterade ljuset från laseremittenterna (100) för att styra ett förutbestämt ljusmönster till en förutbestämd position.
2. Laseremitterande anordning (100) enligt anspråk 1, där de individuellt adresserbara pixelelementen (110) är piezo- eller elektrostatiskt drivna kolvpixlar.
3. Den laseremitterande anordningen (100) enligt anspråk 1, där de individuellt adresserbara pixelelementen element (110) är elektrostatiskt styrda avböjningspixlar.
4. Laseremitterande anordning (100) enligt något av de föregående påståendena, i vilken laser är en VCSEL, en kantemitterande laserkälla, en LED, en superluminescerande emitterande diod eller liknande.
5. Laseremitterande anordning (100) enligt något av de föregående påståendena, som dessutom omfattar följande. en polarisator (600) som är placerad framför matrisen av laseremittenterna (100).
6. Laseremitterande anordning (100) enligt något av de föregående påståendena, där en eller flera en eller flera lasersändare (100) är konfigurerade för polarisationsmodulering av det utsända ljuset för att styra en för att styra ett förutbestämt ljusmönster till en förutbestämd position.
SE2150384A 2021-03-30 2021-03-30 Method and apparatus for laser beam mudulation and beam steering SE545314C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE2150384A SE545314C2 (en) 2021-03-30 2021-03-30 Method and apparatus for laser beam mudulation and beam steering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2150384A SE545314C2 (en) 2021-03-30 2021-03-30 Method and apparatus for laser beam mudulation and beam steering

Publications (2)

Publication Number Publication Date
SE2150384A1 SE2150384A1 (en) 2022-10-01
SE545314C2 true SE545314C2 (en) 2023-06-27

Family

ID=83806069

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2150384A SE545314C2 (en) 2021-03-30 2021-03-30 Method and apparatus for laser beam mudulation and beam steering

Country Status (1)

Country Link
SE (1) SE545314C2 (sv)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1060443A1 (en) * 1998-03-02 2000-12-20 Micronic Laser Systems Ab Improved modulator design for pattern generator
US20070181810A1 (en) * 2006-02-06 2007-08-09 Tan Michael R T Vertical cavity surface emitting laser (VCSEL) array laser scanner
US20100046953A1 (en) * 2008-05-02 2010-02-25 Shaw Gary A Agile-beam laser array transmitter
US20140071427A1 (en) * 2012-09-07 2014-03-13 Apple Inc. Imaging range finder fabrication
WO2018044380A1 (en) * 2016-08-30 2018-03-08 Apple Inc. Radiation source with a small-angle scanning array
US20190197928A1 (en) * 2017-12-21 2019-06-27 X Development Llc Directional light emitters and electronic displays featuring the same
US20200088859A1 (en) * 2018-09-17 2020-03-19 Waymo Llc Array of Light Detectors with Corresponding Array of Optical Elements
US20200301010A1 (en) * 2019-03-19 2020-09-24 Ricoh Company, Ltd. Distance measurement apparatus and distance measurement method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1060443A1 (en) * 1998-03-02 2000-12-20 Micronic Laser Systems Ab Improved modulator design for pattern generator
US20070181810A1 (en) * 2006-02-06 2007-08-09 Tan Michael R T Vertical cavity surface emitting laser (VCSEL) array laser scanner
US20100046953A1 (en) * 2008-05-02 2010-02-25 Shaw Gary A Agile-beam laser array transmitter
US20140071427A1 (en) * 2012-09-07 2014-03-13 Apple Inc. Imaging range finder fabrication
WO2018044380A1 (en) * 2016-08-30 2018-03-08 Apple Inc. Radiation source with a small-angle scanning array
US20190197928A1 (en) * 2017-12-21 2019-06-27 X Development Llc Directional light emitters and electronic displays featuring the same
US20200088859A1 (en) * 2018-09-17 2020-03-19 Waymo Llc Array of Light Detectors with Corresponding Array of Optical Elements
US20200301010A1 (en) * 2019-03-19 2020-09-24 Ricoh Company, Ltd. Distance measurement apparatus and distance measurement method

Also Published As

Publication number Publication date
SE2150384A1 (en) 2022-10-01

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