SE452224B - Sett for stabilisering av en q-pulsad lasers utsignal samt laser for settets genomforande - Google Patents

Sett for stabilisering av en q-pulsad lasers utsignal samt laser for settets genomforande

Info

Publication number: SE452224B
Authority: SE; Sweden
Prior art keywords: laser; radio frequency; gate; output; control pulses
Prior art date: 1981-04-16

Application number

SE8202353A

Other languages

English (en)

Swedish (sv)

Other versions

SE8202353L (sv

Inventor

M S Mauck

W S Neeland

Original Assignee

Electro Scient Ind Inc

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.)

1981-04-16

Filing date

1982-04-15

Publication date

1987-11-16

1982-04-15 Application filed by Electro Scient Ind Inc filed Critical Electro Scient Ind Inc

1982-10-17 Publication of SE8202353L publication Critical patent/SE8202353L/

1987-11-16 Publication of SE452224B publication Critical patent/SE452224B/sv

Links

230000000087 stabilizing effect Effects 0.000 title claims 3
238000000034 method Methods 0.000 claims description 9
230000003252 repetitive effect Effects 0.000 claims description 3
230000001360 synchronised effect Effects 0.000 claims description 2
239000012071 phase Substances 0.000 description 7
238000010586 diagram Methods 0.000 description 2
238000010276 construction Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000005284 excitation Effects 0.000 description 1
229910052743 krypton Inorganic materials 0.000 description 1
DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
239000007790 solid phase Substances 0.000 description 1
239000008399 tap water Substances 0.000 description 1
235000020679 tap water Nutrition 0.000 description 1
238000011144 upstream manufacturing Methods 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
- H01S3/117—Q-switching using intracavity acousto-optic devices
- 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
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- 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
- H01S3/1304—Stabilisation of laser output parameters, e.g. frequency or amplitude by using an active reference, e.g. second laser, klystron or other standard frequency source
- 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
- H01S3/1306—Stabilisation of the amplitude

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Optics & Photonics (AREA)
Lasers (AREA)
Glass Compositions (AREA)
Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

SE8202353A 1981-04-16 1982-04-15 Sett for stabilisering av en q-pulsad lasers utsignal samt laser for settets genomforande SE452224B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/254,895 US4412330A (en)	1981-04-16	1981-04-16	Q-Switched laser with stable output and method of making the same

Publications (2)

Publication Number	Publication Date
SE8202353L SE8202353L (sv)	1982-10-17
SE452224B true SE452224B (sv)	1987-11-16

Family

ID=22966000

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8202353A SE452224B (sv)	1981-04-16	1982-04-15	Sett for stabilisering av en q-pulsad lasers utsignal samt laser for settets genomforande

Country Status (12)

Country	Link
US (1)	US4412330A (da)
JP (1)	JPS5910079B2 (da)
CA (1)	CA1177523A (da)
CH (1)	CH647103A5 (da)
DE (1)	DE3201620C2 (da)
DK (1)	DK149677C (da)
FR (1)	FR2504321B1 (da)
GB (1)	GB2098387B (da)
HK (1)	HK22985A (da)
NO (1)	NO821214L (da)
SE (1)	SE452224B (da)
SG (1)	SG89284G (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5121245A (en) *	1989-04-06	1992-06-09	Electro Scientific Industries, Inc.	Laser system incorporating an acousto-optic device having reduced susceptibility to stress-induced birefringence
US4965805A (en) *	1989-09-05	1990-10-23	Rockwell International Corporation	Dither-free actively stabilized laser
US5016251A (en) *	1990-03-28	1991-05-14	Spectra Physics, Lpd	Q-switch driver
US5231536A (en) *	1992-05-01	1993-07-27	Xrl, Inc.	Robust, LED illumination system for OCR of indicia on a substrate
US5737122A (en) *	1992-05-01	1998-04-07	Electro Scientific Industries, Inc.	Illumination system for OCR of indicia on a substrate
US5390204A (en) *	1992-09-25	1995-02-14	Incisive Technologies, Inc.	Intracavity modulated pulsed laser with a variably controllable modulation frequency
JP3179963B2 (ja) *	1994-04-26	2001-06-25	松下電器産業株式会社	レーザ加工装置とレーザ加工方法
DE19747180A1 (de) *	1997-10-24	1999-07-22	Coherent Luebeck Gmbh	Pulslaser mit Erstpulssteuerung
US6339604B1 (en)	1998-06-12	2002-01-15	General Scanning, Inc.	Pulse control in laser systems
US6563844B1 (en)	1998-10-21	2003-05-13	Neos Technologies, Inc.	High loss modulation acousto-optic Q-switch for high power multimode laser
US6414980B1 (en)	1999-10-12	2002-07-02	Coherent, Inc.	Laser rod thermalization
DE19958566A1 (de) *	1999-12-04	2001-06-07	Zeiss Carl Jena Gmbh	Gütegeschalteter Festkörperlaser mit einstellbarer Pulslänge
DE102004047798A1 (de) *	2004-09-29	2006-04-06	Robert Bosch Gmbh	Verfahren zur Reinigung eines Resonators
DE102007017591B4 (de) *	2007-04-13	2018-11-08	Jenoptik Laser Gmbh	Laser und Verfahren zur Erzeugung gepulster Laserstrahlung
US8767291B2 (en) *	2012-03-16	2014-07-01	Kla-Tencor Corporation	Suppression of parasitic optical feedback in pulse laser systems
JP6201437B2 (ja) *	2013-06-06	2017-09-27	株式会社島津製作所	パルスレーザ装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3633124A (en) *	1970-06-10	1972-01-04	Bell Telephone Labor Inc	Laser with feedback circuit for controlling relaxation oscillation
US3747019A (en) *	1970-07-16	1973-07-17	Union Carbide Corp	Method and means for stabilizing the amplitude and repetition frequency of a repetitively q-switched laser
US3737231A (en) *	1970-11-13	1973-06-05	G Low	High pulse rate high resolution optical radar system
GB1601355A (en) *	1977-05-03	1981-10-28	Boc Ltd	Lasers
US4337442A (en) *	1980-03-28	1982-06-29	Electro Scientific Industries, Inc.	First laser pulse amplitude modulation

1981
- 1981-04-16 US US06/254,895 patent/US4412330A/en not_active Expired - Lifetime
1982
- 1982-01-20 JP JP57007374A patent/JPS5910079B2/ja not_active Expired
- 1982-01-20 DE DE3201620A patent/DE3201620C2/de not_active Expired
- 1982-03-18 CA CA000398774A patent/CA1177523A/en not_active Expired
- 1982-03-19 GB GB8208019A patent/GB2098387B/en not_active Expired
- 1982-03-26 CH CH186782A patent/CH647103A5/fr not_active IP Right Cessation
- 1982-04-14 NO NO821214A patent/NO821214L/no unknown
- 1982-04-15 FR FR8206517A patent/FR2504321B1/fr not_active Expired
- 1982-04-15 DK DK168482A patent/DK149677C/da not_active IP Right Cessation
- 1982-04-15 SE SE8202353A patent/SE452224B/sv not_active IP Right Cessation
1984
- 1984-12-15 SG SG892/84A patent/SG89284G/en unknown
1985
- 1985-03-21 HK HK229/85A patent/HK22985A/xx unknown

Also Published As

Publication number	Publication date
FR2504321B1 (fr)	1985-07-19
DE3201620A1 (de)	1982-11-04
DK149677B (da)	1986-09-01
CA1177523A (en)	1984-11-06
JPS5910079B2 (ja)	1984-03-06
DE3201620C2 (de)	1984-02-16
FR2504321A1 (fr)	1982-10-22
HK22985A (en)	1985-03-29
GB2098387A (en)	1982-11-17
US4412330A (en)	1983-10-25
SG89284G (en)	1985-06-07
DK168482A (da)	1982-10-17
JPS57178392A (en)	1982-11-02
NO821214L (no)	1982-10-18
SE8202353L (sv)	1982-10-17
GB2098387B (en)	1984-09-12
CH647103A5 (fr)	1984-12-28
DK149677C (da)	1987-07-13

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8202353-2

Effective date: 19910117

Format of ref document f/p: F

Publication	Publication Date	Title
SE452224B (sv)	1987-11-16	Sett for stabilisering av en q-pulsad lasers utsignal samt laser for settets genomforande
SE8804461L (sv)	1989-06-11	Krets foer bibehaallande av en klocksignal
CN104488147A (zh)	2015-04-01	脉冲型co2激光输出脉冲形状和功率控制
EP0308511B2 (en)	1995-04-26	Laser oscillator control circuit
JP4856850B2 (ja)	2012-01-18	受動ｑ−スイッチレーザの位相同期ループ制御
JP2002151773A (ja)	2002-05-24	レーザー及び材料処理方法
JP2005045019A (ja)	2005-02-17	Ｑスイッチレーザ装置
JP2543724B2 (ja)	1996-10-16	パルスレ―ザの電源装置
JPH01192183A (ja)	1989-08-02	パルスガスレーザ装置
JPS5879788A (ja)	1983-05-13	Ｑスイツチレ−ザ装置の駆動方法
JPS6115384A (ja)	1986-01-23	超音波ｑスイツチレ−ザ
CA1174268A (en)	1984-09-11	First laser pulse amplitude modulation
Duvillier et al.	1986	Simple numerical control loop for stabilizing Nd: YAG and Nd: YLF single-mode oscillators
RU95109352A (ru)	1997-07-20	Способ динамической широтноимпульсной модуляции
SU627573A1 (ru)	1978-10-05	Формирователь импульсов
KR0155280B1 (ko)	1998-12-15	펄스폭 변조방식을 이용한 디지탈 펄스 발생회로
JPH09230292A (ja)	1997-09-05	光変調器
DULING	1985	Analysis of the gain-coupled distributed feedback laser as a source of short optical pulses(Ph. D. Thesis)
SU1185646A1 (ru)	1985-10-15	Устройство стабилизации периода следовани импульсов строчной синхронизации
WATANABE et al.	1972	A technique for the measurement of fluorescence lifetimes with an optically chopped laser beam(Fluorescence lifetime measurement with optically chopped laser beam with variable pulse lengths)
SU767914A1 (ru)	1980-09-30	Стабилизированный конвертор напр жени
ISAEV et al.	1974	Pulsed copper vapor laser with 10 kHz pulse repetition frequency
CAIN	1992	Ultrashort-pulse laser system: Theory of operation and operating procedures(Final Report, Nov. 1989- Jul. 1992)
Harvey	1981	Synchronization of Pulses from Mode-Locked Lasers.
JPH0715070A (ja)	1995-01-17	タイミング制御装置