IT201900025132A1 - Circuito generatore di impulsi, relativo sistema laser e procedimento - Google Patents

Circuito generatore di impulsi, relativo sistema laser e procedimento

Info

Publication number
IT201900025132A1
IT201900025132A1 IT102019000025132A IT201900025132A IT201900025132A1 IT 201900025132 A1 IT201900025132 A1 IT 201900025132A1 IT 102019000025132 A IT102019000025132 A IT 102019000025132A IT 201900025132 A IT201900025132 A IT 201900025132A IT 201900025132 A1 IT201900025132 A1 IT 201900025132A1
Authority
IT
Italy
Prior art keywords
procedure
pulse generator
laser system
generator circuit
relative laser
Prior art date
Application number
IT102019000025132A
Other languages
English (en)
Inventor
Romeo Letor
Antoine Pavlin
Alfio Russo
Nadia Lecci
Original Assignee
St Microelectronics Srl
St Microelectronics Rousset
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 St Microelectronics Srl, St Microelectronics Rousset filed Critical St Microelectronics Srl
Priority to IT102019000025132A priority Critical patent/IT201900025132A1/it
Priority to EP20306464.7A priority patent/EP3855585B1/en
Priority to US17/123,712 priority patent/US20210218223A1/en
Priority to CN202011517885.4A priority patent/CN113014230B/zh
Publication of IT201900025132A1 publication Critical patent/IT201900025132A1/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • 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
    • H01S5/0428Electrical excitation ; Circuits therefor for applying pulses to the laser
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483Details of pulse systems
    • G01S7/484Transmitters
    • 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
    • H01S5/06209Arrangements 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
    • H01S5/06216Pulse modulation or generation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/6871Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
    • 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
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/026Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H01S5/0261Non-optical elements, e.g. laser driver components, heaters
    • 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
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06835Stabilising during pulse modulation or generation

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)
IT102019000025132A 2019-12-20 2019-12-20 Circuito generatore di impulsi, relativo sistema laser e procedimento IT201900025132A1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT102019000025132A IT201900025132A1 (it) 2019-12-20 2019-12-20 Circuito generatore di impulsi, relativo sistema laser e procedimento
EP20306464.7A EP3855585B1 (en) 2019-12-20 2020-11-30 Method of operating a pulse generator circuit related pulse generator circuit and laser system
US17/123,712 US20210218223A1 (en) 2019-12-20 2020-12-16 Pulse generator circuit, related laser system and method
CN202011517885.4A CN113014230B (zh) 2019-12-20 2020-12-21 脉冲发生器电路、相关的激光***和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000025132A IT201900025132A1 (it) 2019-12-20 2019-12-20 Circuito generatore di impulsi, relativo sistema laser e procedimento

Publications (1)

Publication Number Publication Date
IT201900025132A1 true IT201900025132A1 (it) 2021-06-20

Family

ID=70009315

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000025132A IT201900025132A1 (it) 2019-12-20 2019-12-20 Circuito generatore di impulsi, relativo sistema laser e procedimento

Country Status (3)

Country Link
US (1) US20210218223A1 (it)
EP (1) EP3855585B1 (it)
IT (1) IT201900025132A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11482836B2 (en) * 2020-01-28 2022-10-25 Stmicroelectronics (Grenoble 2) Sas Laser diode driver circuits and methods of operating thereof
IT202000016396A1 (it) 2020-07-07 2022-01-07 St Microelectronics Srl Circuito generatore di impulsi, sistema e procedimento corrispondenti
EP4386437A1 (en) 2022-12-14 2024-06-19 STMicroelectronics (Rousset) SAS Driver circuit, corresponding laser-driving device, laser lighting module, lidar apparatus and methods of operation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030016711A1 (en) * 2001-07-19 2003-01-23 Crawford Ian D. High-power pulsed laser diode driver
US20150002115A1 (en) * 2013-07-01 2015-01-01 Texas Instruments Incorporated Series-capacitor buck converter multiphase controller
US20180278017A1 (en) * 2017-03-23 2018-09-27 Infineon Technologies Ag Circuit and method for driving a laser diode
EP3629462A1 (en) * 2018-09-26 2020-04-01 OSRAM GmbH Electronic converter and corresponding lighting system, and method of operating an electronic converter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3226815B2 (ja) * 1996-03-08 2001-11-05 日本電気株式会社 容量性負荷の駆動回路及び駆動方法
JP5509537B2 (ja) * 2008-04-16 2014-06-04 セイコーエプソン株式会社 プロジェクタおよびその駆動方法
JP6812912B2 (ja) * 2017-06-26 2021-01-13 Tdk株式会社 Fet駆動回路
JP6816661B2 (ja) * 2017-06-26 2021-01-20 Tdk株式会社 Fet駆動回路
US10903621B2 (en) * 2018-01-22 2021-01-26 Argo AI, LLC Circuit for driving a laser and method therefor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030016711A1 (en) * 2001-07-19 2003-01-23 Crawford Ian D. High-power pulsed laser diode driver
US20150002115A1 (en) * 2013-07-01 2015-01-01 Texas Instruments Incorporated Series-capacitor buck converter multiphase controller
US20180278017A1 (en) * 2017-03-23 2018-09-27 Infineon Technologies Ag Circuit and method for driving a laser diode
EP3629462A1 (en) * 2018-09-26 2020-04-01 OSRAM GmbH Electronic converter and corresponding lighting system, and method of operating an electronic converter

Also Published As

Publication number Publication date
US20210218223A1 (en) 2021-07-15
EP3855585B1 (en) 2022-07-06
CN113014230A (zh) 2021-06-22
EP3855585A1 (en) 2021-07-28

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