KR0145348B1 - 펄스폭 변조를 사용한 다이오드 펌프식 레이저 시스템용 능동 에너지 제어 회로 및 방법 - Google Patents

펄스폭 변조를 사용한 다이오드 펌프식 레이저 시스템용 능동 에너지 제어 회로 및 방법

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Publication number
KR0145348B1
KR0145348B1 KR1019940001031A KR19940001031A KR0145348B1 KR 0145348 B1 KR0145348 B1 KR 0145348B1 KR 1019940001031 A KR1019940001031 A KR 1019940001031A KR 19940001031 A KR19940001031 A KR 19940001031A KR 0145348 B1 KR0145348 B1 KR 0145348B1
Authority
KR
South Korea
Prior art keywords
pulse
energy
output
laser
output energy
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.)
Expired - Fee Related
Application number
KR1019940001031A
Other languages
English (en)
Korean (ko)
Other versions
KR940019034A (ko
Inventor
이. 닐센 케이스
Original Assignee
완다 케이. 덴슨-로우
휴우즈 에어크라프트 캄파니
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 완다 케이. 덴슨-로우, 휴우즈 에어크라프트 캄파니 filed Critical 완다 케이. 덴슨-로우
Publication of KR940019034A publication Critical patent/KR940019034A/ko
Application granted granted Critical
Publication of KR0145348B1 publication Critical patent/KR0145348B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/1127—Q-switching using pulse transmission mode [PTM]
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • H01S3/0933—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of a semiconductor, e.g. light emitting diode
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094076—Pulsed or modulated 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10038—Amplitude control
    • H01S3/10046—Pulse repetition rate control
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/115—Q-switching using intracavity electro-optic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
KR1019940001031A 1993-01-21 1994-01-20 펄스폭 변조를 사용한 다이오드 펌프식 레이저 시스템용 능동 에너지 제어 회로 및 방법 Expired - Fee Related KR0145348B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8/006,557 1993-01-21
US08/006,557 US5291505A (en) 1993-01-21 1993-01-21 Active energy control for diode pumped laser systems using pulsewidth modulation
US08/006,557 1993-01-21

Publications (2)

Publication Number Publication Date
KR940019034A KR940019034A (ko) 1994-08-19
KR0145348B1 true KR0145348B1 (ko) 1998-08-17

Family

ID=21721453

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940001031A Expired - Fee Related KR0145348B1 (ko) 1993-01-21 1994-01-20 펄스폭 변조를 사용한 다이오드 펌프식 레이저 시스템용 능동 에너지 제어 회로 및 방법

Country Status (9)

Country Link
US (1) US5291505A (enExample)
EP (1) EP0608146B1 (enExample)
JP (1) JP2502940B2 (enExample)
KR (1) KR0145348B1 (enExample)
CA (1) CA2113846C (enExample)
DE (1) DE69400924T2 (enExample)
ES (1) ES2094620T3 (enExample)
IL (1) IL108379A (enExample)
NO (1) NO940205L (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101502770B1 (ko) * 2014-02-27 2015-03-18 주식회사 이피코 펄스레이저 구동제어 회로

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390204A (en) * 1992-09-25 1995-02-14 Incisive Technologies, Inc. Intracavity modulated pulsed laser with a variably controllable modulation frequency
CA2159842A1 (en) * 1994-12-05 1996-06-06 Joe A. Ortiz Diode drive current source
SE9603288L (sv) * 1996-02-20 1997-08-21 Geotronics Ab Stabilisering av en pumpad lasesr
US5822345A (en) * 1996-07-08 1998-10-13 Presstek, Inc. Diode-pumped laser system and method
FR2753011B1 (fr) * 1996-09-05 1998-10-09 Commissariat Energie Atomique Dispositif de regulation mixte, en energie et en gain, d'une cavite laser pompee par diodes et declenchee en impulsions a frequence fixe
US20050180095A1 (en) * 1996-11-29 2005-08-18 Ellis Frampton E. Global network computers
US7805756B2 (en) * 1996-11-29 2010-09-28 Frampton E Ellis Microchips with inner firewalls, faraday cages, and/or photovoltaic cells
US7634529B2 (en) * 1996-11-29 2009-12-15 Ellis Iii Frampton E Personal and server computers having microchips with multiple processing units and internal firewalls
US6167428A (en) 1996-11-29 2000-12-26 Ellis; Frampton E. Personal computer microprocessor firewalls for internet distributed processing
US7926097B2 (en) 1996-11-29 2011-04-12 Ellis Iii Frampton E Computer or microchip protected from the internet by internal hardware
US8312529B2 (en) 1996-11-29 2012-11-13 Ellis Frampton E Global network computers
US8225003B2 (en) 1996-11-29 2012-07-17 Ellis Iii Frampton E Computers and microchips with a portion protected by an internal hardware firewall
US7506020B2 (en) * 1996-11-29 2009-03-17 Frampton E Ellis Global network computers
US6725250B1 (en) * 1996-11-29 2004-04-20 Ellis, Iii Frampton E. Global network computers
DE19705330C1 (de) * 1997-02-12 1998-02-19 Lambda Physik Gmbh Verfahren und Festkörperlasersystem zum Erzeugen von Laserimpulsen mit variabler Impulsfolgefrequenz und konstanten Strahleigenschaften
US5854805A (en) * 1997-03-21 1998-12-29 Lumonics Inc. Laser machining of a workpiece
JP3456120B2 (ja) 1997-09-09 2003-10-14 三菱電機株式会社 レーザダイオード用電源制御装置
WO1998052257A1 (en) * 1997-05-12 1998-11-19 Dahm Jonathan S Improved laser cutting apparatus
US5848080A (en) * 1997-05-12 1998-12-08 Dahm; Jonathan S. Short pulsewidth high pulse repetition frequency laser
US5870421A (en) * 1997-05-12 1999-02-09 Dahm; Jonathan S. Short pulsewidth, high pulse repetition frequency laser system
US6090102A (en) * 1997-05-12 2000-07-18 Irvision, Inc. Short pulse mid-infrared laser source for surgery
DE19747180A1 (de) * 1997-10-24 1999-07-22 Coherent Luebeck Gmbh Pulslaser mit Erstpulssteuerung
US6009110A (en) * 1998-03-11 1999-12-28 Lightwave Electronics Corporation Pulse amplitude control in frequency-converted lasers
US6339604B1 (en) * 1998-06-12 2002-01-15 General Scanning, Inc. Pulse control in laser systems
US6151345A (en) * 1998-07-07 2000-11-21 Dtm Corporation Laser power control with stretched initial pulses
US6210864B1 (en) 1998-10-06 2001-04-03 Presstek, Inc. Method and apparatus for laser imaging with multi-mode devices and optical diffusers
US6418154B1 (en) * 1999-06-07 2002-07-09 Coherent, Inc. Pulsed diode-pumped solid-state laser
US6414980B1 (en) 1999-10-12 2002-07-02 Coherent, Inc. Laser rod thermalization
EP1184948A3 (en) * 2000-08-28 2004-10-20 Laser Alignment, Inc. Diode pumped solid state lasers
KR20020081200A (ko) * 2000-12-27 2002-10-26 미쓰비시덴키 가부시키가이샤 고체레이저장치
US6806440B2 (en) 2001-03-12 2004-10-19 Electro Scientific Industries, Inc. Quasi-CW diode pumped, solid-state UV laser system and method employing same
US6781090B2 (en) * 2001-03-12 2004-08-24 Electro Scientific Industries, Inc. Quasi-CW diode-pumped, solid-state harmonic laser system and method employing same
DE10158624A1 (de) * 2001-08-03 2003-03-13 Rofin Sinar Laser Gmbh Verfahren zum Betreiben eines diodengepumpten Festkörperlasers und nach diesem Verfahren betreibbarer diodengepumpter Festkörperlaser
US20030231678A1 (en) * 2002-06-07 2003-12-18 Martin Stuart Laser flashlamp life extension driver
WO2004036705A1 (en) * 2002-10-17 2004-04-29 Lumenis Inc. System, method, and apparatus to provide laser beams of two or more wavelengths
US6969845B2 (en) * 2002-12-20 2005-11-29 Textron Systems Corporation System and processes for causing the simultaneity of events including controlling a pulse repetition frequency of a pulsed laser for disabling a scanning imaging system
ES2384871T3 (es) * 2003-02-14 2012-07-13 Universität Heidelberg Procedimiento de generación de al menos un impulso y/o secuencia de impulsos con parámetros controlables
US6931035B2 (en) * 2003-04-14 2005-08-16 Coherent, Inc. Q-switching method for pulse train generation
JP4352871B2 (ja) * 2003-11-20 2009-10-28 オムロン株式会社 パルス駆動レーザダイオード励起ｑスイッチ固体レーザ発振器並びにその発振制御方法
US7103077B2 (en) * 2004-04-29 2006-09-05 20/10 Perfect Vision Optische Geraete Gmbh System and method for measuring and controlling an energy of an ultra-short pulse of a laser beam
US7352784B2 (en) * 2004-07-20 2008-04-01 Jds Uniphase Corporation Laser burst boosting method and apparatus
US7643583B1 (en) * 2004-08-06 2010-01-05 Marvell International Ltd. High-precision signal detection for high-speed receiver
JP4533733B2 (ja) * 2004-11-30 2010-09-01 株式会社キーエンス レーザーマーキング装置
US7250618B2 (en) * 2005-02-02 2007-07-31 Nikon Corporation Radiantly heated cathode for an electron gun and heating assembly
WO2007064298A1 (en) * 2005-11-29 2007-06-07 Agency For Science, Technology And Research Q-switched laser arrangement
US20080273559A1 (en) * 2007-05-04 2008-11-06 Ekspla Ltd. Multiple Output Repetitively Pulsed Laser
US8125796B2 (en) 2007-11-21 2012-02-28 Frampton E. Ellis Devices with faraday cages and internal flexibility sipes
US8207711B2 (en) * 2008-08-15 2012-06-26 Analog Modules, Inc. Biphase laser diode driver and method
US8729870B2 (en) 2008-08-15 2014-05-20 Analog Modules, Inc. Biphase laser diode driver and method
EA015641B1 (ru) * 2009-08-12 2011-10-31 Государственное Научное Учреждение "Институт Физики Имени Б.И. Степанова Национальной Академии Наук Беларуси" Способ управления твердотельным лазером с пассивной модуляцией добротности
CN201523155U (zh) * 2009-11-05 2010-07-07 昂纳信息技术（深圳）有限公司 一种低功耗的泵浦驱动电路装置
US12401619B2 (en) 2010-01-26 2025-08-26 Frampton E. Ellis Computer or microchip with a secure system bios having a separate private network connection to a separate private network
US8429735B2 (en) 2010-01-26 2013-04-23 Frampton E. Ellis Method of using one or more secure private networks to actively configure the hardware of a computer or microchip
CZ302947B6 (cs) * 2010-09-02 2012-01-25 CESNET, zájmové sdružení právnických osob Modulární stavebnice zarízení pro variabilní distribuci, smešování a monitoring optických signálu v Internetu a jiných sítích
CN102623879A (zh) * 2012-03-31 2012-08-01 刘世文 Ld阵列多侧面泵浦激光器
GB2539046A (en) * 2015-06-05 2016-12-07 Thales Holdings Uk Plc Controlling emission of passive Q-switched laser pulses
US10175565B1 (en) 2017-12-15 2019-01-08 Christie Digital Systems Usa, Inc. Light pulse system
JP6957113B2 (ja) * 2018-01-30 2021-11-02 住友重機械工業株式会社 レーザ制御装置
CN111837336B (zh) * 2018-03-08 2024-04-02 爱尔康公司 使用控制信号定时来检测峰值激光脉冲
US11604283B2 (en) 2020-02-03 2023-03-14 Analog Devices International Unlimited Company Light source system
US12212118B2 (en) 2020-02-03 2025-01-28 Analog Devices International Unlimited Company Light source system
US11600966B2 (en) * 2020-02-03 2023-03-07 Analog Devices International Unlimited Company Light source system
CN112711266B (zh) * 2020-12-03 2023-03-31 中国科学院光电技术研究所 一种月球轨道交会对接激光雷达的远近场切换控制方法
US20240022170A1 (en) * 2022-07-14 2024-01-18 Lumentum Operations Llc High-frequency switching dc/dc converter with different control loop and switching frequencies
CN117154507A (zh) * 2023-08-24 2023-12-01 深圳市宝辰鑫激光科技有限公司 连续激光器的首脉冲控制方法
CN118630567A (zh) * 2024-08-12 2024-09-10 深圳市安众电气有限公司 一种脉宽调节能量反馈方法
CN121238317A (zh) * 2025-11-28 2025-12-30 中聚科技股份有限公司 超脉冲掺铥光纤激光手术系统的激光控制方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761786A (en) * 1986-12-23 1988-08-02 Spectra-Physics, Inc. Miniaturized Q-switched diode pumped solid state laser
JP2542821B2 (ja) * 1986-03-26 1996-10-09 ミヤチテクノス株式会社 レ−ザ加工装置
JP2647832B2 (ja) * 1986-08-06 1997-08-27 日本電気株式会社 レーザ発振器
JPS63204682A (ja) * 1987-02-19 1988-08-24 Nec Corp レ−ザパルス制御方式
US5018152A (en) * 1989-09-07 1991-05-21 Spectra-Physics, Inc. Apparatus for controlling pulse energy in a Q-switched laser system
JPH03216363A (ja) * 1990-01-22 1991-09-24 Fuji Photo Film Co Ltd 半導体レーザの駆動装置
US5016251A (en) * 1990-03-28 1991-05-14 Spectra Physics, Lpd Q-switch driver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101502770B1 (ko) * 2014-02-27 2015-03-18 주식회사 이피코 펄스레이저 구동제어 회로

Also Published As

Publication number Publication date
CA2113846C (en) 1999-03-16
CA2113846A1 (en) 1994-07-22
JP2502940B2 (ja) 1996-05-29
NO940205D0 (enExample) 1994-01-20
IL108379A (en) 1998-03-10
KR940019034A (ko) 1994-08-19
US5291505A (en) 1994-03-01
EP0608146B1 (en) 1996-11-20
EP0608146A1 (en) 1994-07-27
DE69400924T2 (de) 1997-04-10
DE69400924D1 (de) 1997-01-02
ES2094620T3 (es) 1997-01-16
JPH077210A (ja) 1995-01-10
NO940205L (no) 1994-07-22

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