CA2113846C - Active energy control for diode pumped laser systems using pulsewidth modulation - Google Patents
Active energy control for diode pumped laser systems using pulsewidth modulationInfo
- Publication number
- CA2113846C CA2113846C CA002113846A CA2113846A CA2113846C CA 2113846 C CA2113846 C CA 2113846C CA 002113846 A CA002113846 A CA 002113846A CA 2113846 A CA2113846 A CA 2113846A CA 2113846 C CA2113846 C CA 2113846C
- Authority
- CA
- Canada
- Prior art keywords
- pulse
- energy
- laser
- output
- 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
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000010304 firing Methods 0.000 claims description 31
- 238000005070 sampling Methods 0.000 claims description 18
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000002238 attenuated effect Effects 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 241000282320 Panthera leo Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 244000228957 Ferula foetida Species 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- SYHGEUNFJIGTRX-UHFFFAOYSA-N methylenedioxypyrovalerone Chemical compound C=1C=C2OCOC2=CC=1C(=O)C(CCC)N1CCCC1 SYHGEUNFJIGTRX-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/006,557 US5291505A (en) | 1993-01-21 | 1993-01-21 | Active energy control for diode pumped laser systems using pulsewidth modulation |
| US006,557 | 1993-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2113846A1 CA2113846A1 (en) | 1994-07-22 |
| CA2113846C true CA2113846C (en) | 1999-03-16 |
Family
ID=21721453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002113846A Expired - Fee Related CA2113846C (en) | 1993-01-21 | 1994-01-20 | Active energy control for diode pumped laser systems using pulsewidth modulation |
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) |
Families Citing this family (68)
| 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 |
| KR101502770B1 (ko) * | 2014-02-27 | 2015-03-18 | 주식회사 이피코 | 펄스레이저 구동제어 회로 |
| 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)
| 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 |
-
1993
- 1993-01-21 US US08/006,557 patent/US5291505A/en not_active Expired - Lifetime
-
1994
- 1994-01-19 IL IL108379A patent/IL108379A/en not_active IP Right Cessation
- 1994-01-20 KR KR1019940001031A patent/KR0145348B1/ko not_active Expired - Fee Related
- 1994-01-20 NO NO940205A patent/NO940205L/no unknown
- 1994-01-20 CA CA002113846A patent/CA2113846C/en not_active Expired - Fee Related
- 1994-01-21 DE DE69400924T patent/DE69400924T2/de not_active Expired - Fee Related
- 1994-01-21 EP EP94300463A patent/EP0608146B1/en not_active Expired - Lifetime
- 1994-01-21 JP JP6005365A patent/JP2502940B2/ja not_active Expired - Fee Related
- 1994-01-21 ES ES94300463T patent/ES2094620T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| 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 |
| KR0145348B1 (ko) | 1998-08-17 |
| NO940205L (no) | 1994-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |