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 same

Info

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
Application number
SG892/84A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Electro Scient Ind Inc filed Critical Electro Scient Ind Inc
Publication of SG89284G publication Critical patent/SG89284G/en

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)
SG892/84A 1981-04-16 1984-12-15 Q-switched laser with stable output and method of making the same SG89284G (en)

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)

* 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

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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