CN117413440A - 对激光源的控制 - Google Patents

对激光源的控制 Download PDF

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Publication number
CN117413440A
CN117413440A CN202280039432.6A CN202280039432A CN117413440A CN 117413440 A CN117413440 A CN 117413440A CN 202280039432 A CN202280039432 A CN 202280039432A CN 117413440 A CN117413440 A CN 117413440A
Authority
CN
China
Prior art keywords
laser
current
laser device
duty cycle
amplitude
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
CN202280039432.6A
Other languages
English (en)
Chinese (zh)
Inventor
K·阿鲁兰杜
M·温特
O·V·维多文
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.)
Signify Holding BV
Original Assignee
Signify Holding BV
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 Signify Holding BV filed Critical Signify Holding BV
Publication of CN117413440A publication Critical patent/CN117413440A/zh
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
    • H01S5/06—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
    • H01S5/06216—Pulse modulation or generation
    • 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
    • H01S5/0428—Electrical excitation ; Circuits therefor for applying pulses to the laser
    • 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
    • H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
    • 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
    • H01S5/06804—Stabilisation of laser output parameters by monitoring an external parameter, e.g. temperature
    • 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
    • H01S5/06808—Stabilisation of laser output parameters by monitoring the electrical laser parameters, e.g. voltage or current
    • 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]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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
    • H01S5/06835—Stabilising during pulse modulation or generation
    • 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
    • H01S5/4018—Lasers electrically in series

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
CN202280039432.6A 2021-06-01 2022-05-30 对激光源的控制 Pending CN117413440A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21177036.7 2021-06-01
EP21177036 2021-06-01
PCT/EP2022/064574 WO2022253740A1 (en) 2021-06-01 2022-05-30 Control of laser sources

Publications (1)

Publication Number Publication Date
CN117413440A true CN117413440A (zh) 2024-01-16

Family

ID=76217726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280039432.6A Pending CN117413440A (zh) 2021-06-01 2022-05-30 对激光源的控制

Country Status (5)

Country Link
US (1) US20240266800A1 (https=)
EP (1) EP4348779A1 (https=)
JP (1) JP2024521349A (https=)
CN (1) CN117413440A (https=)
WO (1) WO2022253740A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117595057A (zh) * 2024-01-18 2024-02-23 北京卓镭激光技术有限公司 一种基于晶体温度的激光器功率控制方法和装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218351894U (zh) * 2021-11-08 2023-01-20 神盾股份有限公司 激光二极管电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7894495B2 (en) * 2009-03-09 2011-02-22 Eastman Kodak Company Power stabilized laser diode array
US8605763B2 (en) * 2010-03-31 2013-12-10 Microsoft Corporation Temperature measurement and control for laser and light-emitting diodes
JP5533154B2 (ja) * 2010-04-02 2014-06-25 ソニー株式会社 半導体発光装置
JP6378901B2 (ja) * 2014-03-06 2018-08-22 オリンパス株式会社 光源装置、内視鏡装置及び光源制御方法
JP2017028147A (ja) * 2015-07-24 2017-02-02 日本精機株式会社 レーザー光源装置及びレーザー走査型表示装置
JP6728659B2 (ja) * 2015-12-07 2020-07-22 船井電機株式会社 プロジェクタ
US10461499B2 (en) * 2016-12-23 2019-10-29 Axon Enterprise, Inc. Systems and methods for calibrating, operating, and setting a laser diode in a weapon
US10361537B2 (en) * 2017-10-23 2019-07-23 Microsoft Technology Licensing, Llc Dynamic supply voltage control circuit for laser diode
JP6917566B2 (ja) * 2018-04-27 2021-08-11 日亜化学工業株式会社 駆動回路及び処理装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117595057A (zh) * 2024-01-18 2024-02-23 北京卓镭激光技术有限公司 一种基于晶体温度的激光器功率控制方法和装置
CN117595057B (zh) * 2024-01-18 2024-04-26 北京卓镭激光技术有限公司 一种基于晶体温度的激光器功率控制方法和装置

Also Published As

Publication number Publication date
JP2024521349A (ja) 2024-05-31
EP4348779A1 (en) 2024-04-10
US20240266800A1 (en) 2024-08-08
WO2022253740A1 (en) 2022-12-08

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