SG89284G - Q-switched laser with stable output and method of making the same - Google Patents
Q-switched laser with stable output and method of making the sameInfo
- Publication number
- SG89284G SG89284G SG892/84A SG89284A SG89284G SG 89284 G SG89284 G SG 89284G SG 892/84 A SG892/84 A SG 892/84A SG 89284 A SG89284 A SG 89284A SG 89284 G SG89284 G SG 89284G
- Authority
- SG
- Singapore
- Prior art keywords
- making
- same
- stable output
- switched laser
- switched
- Prior art date
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
- H01S3/117—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)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Glass Compositions (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
SG89284G true SG89284G (en) | 1985-06-07 |
Family
ID=22966000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG892/84A SG89284G (en) | 1981-04-16 | 1984-12-15 | Q-switched laser with stable output and method of making the same |
Country Status (12)
Country | Link |
---|---|
US (1) | US4412330A (de) |
JP (1) | JPS5910079B2 (de) |
CA (1) | CA1177523A (de) |
CH (1) | CH647103A5 (de) |
DE (1) | DE3201620C2 (de) |
DK (1) | DK149677C (de) |
FR (1) | FR2504321B1 (de) |
GB (1) | GB2098387B (de) |
HK (1) | HK22985A (de) |
NO (1) | NO821214L (de) |
SE (1) | SE452224B (de) |
SG (1) | SG89284G (de) |
Families Citing this family (16)
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)
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 DE DE3201620A patent/DE3201620C2/de not_active Expired
- 1982-01-20 JP JP57007374A patent/JPS5910079B2/ja 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 SE SE8202353A patent/SE452224B/sv not_active IP Right Cessation
- 1982-04-15 DK DK168482A patent/DK149677C/da not_active IP Right Cessation
- 1982-04-15 FR FR8206517A patent/FR2504321B1/fr not_active Expired
-
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 |
---|---|
GB2098387A (en) | 1982-11-17 |
DK149677C (da) | 1987-07-13 |
CH647103A5 (fr) | 1984-12-28 |
JPS57178392A (en) | 1982-11-02 |
JPS5910079B2 (ja) | 1984-03-06 |
GB2098387B (en) | 1984-09-12 |
CA1177523A (en) | 1984-11-06 |
FR2504321B1 (fr) | 1985-07-19 |
DK149677B (da) | 1986-09-01 |
SE452224B (sv) | 1987-11-16 |
SE8202353L (sv) | 1982-10-17 |
HK22985A (en) | 1985-03-29 |
FR2504321A1 (fr) | 1982-10-22 |
DK168482A (da) | 1982-10-17 |
DE3201620C2 (de) | 1984-02-16 |
NO821214L (no) | 1982-10-18 |
DE3201620A1 (de) | 1982-11-04 |
US4412330A (en) | 1983-10-25 |
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