IN167151B - - Google Patents
Info
- Publication number
- IN167151B IN167151B IN156/CAL/87A IN156CA1987A IN167151B IN 167151 B IN167151 B IN 167151B IN 156CA1987 A IN156CA1987 A IN 156CA1987A IN 167151 B IN167151 B IN 167151B
- Authority
- IN
- India
- Prior art keywords
- laser
- power
- gas discharge
- resonator
- inversion
- 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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
-
- 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
- H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
-
- 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
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/1062—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a controlled passive interferometer, e.g. a Fabry-Perot etalon
-
- 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
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/22—Gases
- H01S3/223—Gases the active gas being polyatomic, i.e. containing two or more atoms
- H01S3/2232—Carbon dioxide (CO2) or monoxide [CO]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Laser Beam Processing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD86286070A DD256439A3 (de) | 1986-01-09 | 1986-01-09 | Verfahren zur steuerung der inneren und unterdrueckung der aeusseren strahlungsrueckkopplung eines co tief 2-hochleistungslasers |
Publications (1)
Publication Number | Publication Date |
---|---|
IN167151B true IN167151B (no) | 1990-09-08 |
Family
ID=5575787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN156/CAL/87A IN167151B (no) | 1986-01-09 | 1987-03-02 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4858240A (no) |
EP (1) | EP0229285B1 (no) |
JP (1) | JPS62222689A (no) |
AT (1) | ATE141720T1 (no) |
CS (1) | CS928986A1 (no) |
DD (1) | DD256439A3 (no) |
DE (1) | DE3650558D1 (no) |
IN (1) | IN167151B (no) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193099B1 (en) * | 1991-11-21 | 1995-09-12 | Quarton Inc | Diode laser collimating device |
US5434874A (en) * | 1993-10-08 | 1995-07-18 | Hewlett-Packard Company | Method and apparatus for optimizing output characteristics of a tunable external cavity laser |
IL108439A (en) * | 1994-01-26 | 1998-08-16 | Yeda Res & Dev | Optically pumped laser apparatus |
IL114120A0 (en) * | 1995-06-12 | 1995-10-31 | Optomic Lasers Ltd | Improved lasers |
US5642375A (en) * | 1995-10-26 | 1997-06-24 | Hewlett-Packard Company | Passively-locked external optical cavity |
JP3825921B2 (ja) * | 1998-07-23 | 2006-09-27 | キヤノン株式会社 | 走査露光装置およびデバイス製造方法 |
US6351482B1 (en) | 1998-12-15 | 2002-02-26 | Tera Comm Research, Inc | Variable reflectivity mirror for increasing available output power of a laser |
CN1091317C (zh) * | 1999-11-19 | 2002-09-18 | 清华大学 | 偏振双反射膜的制备方法及其双频激光器 |
US6826204B2 (en) * | 2001-04-04 | 2004-11-30 | Coherent, Inc. | Q-switched CO2 laser for material processing |
US6784399B2 (en) * | 2001-05-09 | 2004-08-31 | Electro Scientific Industries, Inc. | Micromachining with high-energy, intra-cavity Q-switched CO2 laser pulses |
US6951627B2 (en) * | 2002-04-26 | 2005-10-04 | Matsushita Electric Industrial Co., Ltd. | Method of drilling holes with precision laser micromachining |
US7880117B2 (en) | 2002-12-24 | 2011-02-01 | Panasonic Corporation | Method and apparatus of drilling high density submicron cavities using parallel laser beams |
US20050211680A1 (en) * | 2003-05-23 | 2005-09-29 | Mingwei Li | Systems and methods for laser texturing of surfaces of a substrate |
DE10340931A1 (de) * | 2003-09-05 | 2005-03-31 | Herbert Walter | Verfahren und Vorrichtung zum Bohren feinster Löcher |
JP4907865B2 (ja) * | 2004-11-09 | 2012-04-04 | 株式会社小松製作所 | 多段増幅型レーザシステム |
US7593436B2 (en) * | 2006-06-16 | 2009-09-22 | Vi Systems Gmbh | Electrooptically Bragg-reflector stopband-tunable optoelectronic device for high-speed data transfer |
DK2565673T3 (da) | 2011-09-05 | 2014-01-06 | Alltec Angewandte Laserlicht Technologie Gmbh | Indretning og fremgangsmåde til markering af et objekt ved hjælp af en laserstråle |
DK2565996T3 (da) | 2011-09-05 | 2014-01-13 | Alltec Angewandte Laserlicht Technologie Gmbh | Laserindretning med en laserenhed og en fluidbeholder til en køleindretning af laserenheden |
EP2564974B1 (en) * | 2011-09-05 | 2015-06-17 | ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung | Marking apparatus with a plurality of gas lasers with resonator tubes and individually adjustable deflection means |
EP2565994B1 (en) | 2011-09-05 | 2014-02-12 | ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung | Laser device and method for marking an object |
EP2564972B1 (en) * | 2011-09-05 | 2015-08-26 | ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung | Marking apparatus with a plurality of lasers, deflection means and telescopic means for each laser beam |
ES2530069T3 (es) * | 2011-09-05 | 2015-02-26 | ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung | Aparato de marcado con una pluralidad de láseres y un dispositivo de desviación de combinación |
DK2564975T3 (en) * | 2011-09-05 | 2015-01-12 | Alltec Angewandte Laserlicht Technologie Ges Mit Beschränkter Haftung | Selection apparatus with a plurality of lasers and sets of deflecting agents that can be individually adjusted |
ES2544034T3 (es) | 2011-09-05 | 2015-08-27 | ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung | Aparato de marcado con al menos un láser de gas y un termodisipador |
DE102012002470A1 (de) * | 2012-02-03 | 2013-08-08 | Iai Industrial Systems B.V. | CO2-Laser mit schneller Leistungssteuerung |
EP3793044B1 (en) | 2019-09-12 | 2021-11-03 | Kern Technologies, LLC | Output coupling from unstable laser resonators |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1248405A (en) * | 1968-11-04 | 1971-10-06 | Sec Dep For Defence Formerly M | Q-switched lasers |
NL172502A (no) * | 1971-04-30 | |||
CH564262A5 (no) * | 1973-04-10 | 1975-07-15 | Lasag Sa | |
DE2610652C3 (de) * | 1976-03-13 | 1980-11-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen | Gutegeschalteter Impulslaser |
DD134415A1 (de) * | 1977-07-11 | 1979-02-21 | Manfred Poehler | Gasentladungsroehre fuer stimulierbare medien,vorzugsweise fuer optische sender oder verstaerker |
DE2913270A1 (de) * | 1979-04-03 | 1980-10-23 | Krautkraemer Gmbh | Laseranordnung mit einem elektrooptischen gueteschalter und verfahren zum betrieb dieser anordnung |
US4461005A (en) * | 1980-10-27 | 1984-07-17 | Ward Ernest M | High peak power, high PRF laser system |
DD234208A3 (de) * | 1984-06-08 | 1986-03-26 | Halle Feinmech Werke Veb | Anordnung zur externen modulation von ir-laser-strahlung hoher leistung |
-
1986
- 1986-01-09 DD DD86286070A patent/DD256439A3/de not_active IP Right Cessation
- 1986-11-26 US US06/935,379 patent/US4858240A/en not_active Expired - Fee Related
- 1986-12-01 EP EP86116661A patent/EP0229285B1/de not_active Expired - Lifetime
- 1986-12-01 AT AT86116661T patent/ATE141720T1/de not_active IP Right Cessation
- 1986-12-01 DE DE3650558T patent/DE3650558D1/de not_active Expired - Fee Related
- 1986-12-15 CS CS869289A patent/CS928986A1/cs unknown
-
1987
- 1987-01-08 JP JP62001150A patent/JPS62222689A/ja active Pending
- 1987-03-02 IN IN156/CAL/87A patent/IN167151B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US4858240A (en) | 1989-08-15 |
EP0229285A3 (en) | 1989-04-12 |
EP0229285B1 (de) | 1996-08-21 |
ATE141720T1 (de) | 1996-09-15 |
JPS62222689A (ja) | 1987-09-30 |
CS928986A1 (en) | 1988-06-15 |
EP0229285A2 (de) | 1987-07-22 |
DE3650558D1 (de) | 1996-09-26 |
DD256439A3 (de) | 1988-05-11 |
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