DE4331389C2 - Festkörperlaser - Google Patents
FestkörperlaserInfo
- Publication number
- DE4331389C2 DE4331389C2 DE4331389A DE4331389A DE4331389C2 DE 4331389 C2 DE4331389 C2 DE 4331389C2 DE 4331389 A DE4331389 A DE 4331389A DE 4331389 A DE4331389 A DE 4331389A DE 4331389 C2 DE4331389 C2 DE 4331389C2
- Authority
- DE
- Germany
- Prior art keywords
- laser
- laser rod
- rod
- solid
- light
- 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
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
- H01S3/09—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
- H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
- H01S3/093—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp focusing or directing the excitation energy into the active medium
- H01S3/0931—Imaging pump cavity, e.g. elliptical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/20—Lasers with a special output beam profile or cross-section, e.g. non-Gaussian
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/20—Lasers with a special output beam profile or cross-section, e.g. non-Gaussian
- H01S2301/206—Top hat profile
-
- 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
-
- 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/061—Crystal lasers or glass lasers with elliptical or circular cross-section and elongated shape, e.g. rod
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0617—Crystal lasers or glass lasers having a varying composition or cross-section in a specific direction
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08059—Constructional details of the reflector, e.g. shape
- H01S3/08063—Graded reflectivity, e.g. variable reflectivity mirror
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08059—Constructional details of the reflector, e.g. shape
- H01S3/08068—Holes; Stepped surface; Special cross-section
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08072—Thermal lensing or thermally induced birefringence; Compensation thereof
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08081—Unstable resonators
-
- 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
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
-
- 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
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2308—Amplifier arrangements, e.g. MOPA
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Lasers (AREA)
Description
Es zeigen
Bei einem in der vorstehend beschriebenen Weise ausgebildeten Festkörperlaser sind die Lichtquelle 4 und der mit der rauhen Oberfläche versehene Laserstab 300 im Brennpunkt einer Kavität 6 angeordnet, die im Schnitt elliptisch ausgebildet ist. Die Lichtquelle 4 wird über die Stromquelle 5 zur Abgabe von Licht eingeschaltet, und der Laserstab 300 wird mit dem abgegebenen Licht angestrahlt. Somit wird der Laserstab durch das abgegebene Licht angeregt.
Claims (2)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4345404A DE4345404C2 (de) | 1992-09-16 | 1993-09-15 | Verwendung eines Festkörperlasersystems zur Erzeugung eines Laserstrahls in einer Materialbearbeitungsvorrichtung |
DE4345434A DE4345434C2 (de) | 1992-09-16 | 1993-09-15 | Verwendung eines Festkörperlasersystems zur Erzeugung eines Laserstrahls in einer Laserbearbeitungsvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27252092 | 1992-09-16 | ||
JP05191441A JP3083688B2 (ja) | 1992-09-16 | 1993-08-02 | 固体レーザ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4331389A1 DE4331389A1 (de) | 1994-03-17 |
DE4331389C2 true DE4331389C2 (de) | 1997-12-18 |
Family
ID=26506688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4331389A Expired - Fee Related DE4331389C2 (de) | 1992-09-16 | 1993-09-15 | Festkörperlaser |
Country Status (3)
Country | Link |
---|---|
US (1) | US5359616A (de) |
JP (1) | JP3083688B2 (de) |
DE (1) | DE4331389C2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10137069A1 (de) * | 2001-07-28 | 2003-02-20 | Haas Laser Gmbh & Co Kg | Vorrichtung zum optischen Pumpen eines laseraktiven Festkörpers |
DE10139753A1 (de) * | 2001-08-13 | 2003-03-13 | Med Laserzentrum Luebeck Gmbh | Longitudinal gepumpter Laser mit Pumplichtführung |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19549764B4 (de) * | 1994-12-22 | 2007-10-04 | Mitsubishi Denki K.K. | Festkörperlaser mit einem Wellenleiter zum Führen des Anregungslichts |
JP3644145B2 (ja) * | 1996-08-21 | 2005-04-27 | 三菱電機株式会社 | レーザ装置 |
JP4613272B2 (ja) * | 2000-05-10 | 2011-01-12 | 独立行政法人理化学研究所 | レーザー共振器およびその調整方法 |
JP4987199B2 (ja) * | 2001-09-05 | 2012-07-25 | 株式会社東芝 | 光伝送装置、レーザ光発生・伝送装置及びレーザ加工装置 |
US6744803B2 (en) * | 2002-01-17 | 2004-06-01 | Northrop Grumman Corporation | High brightness laser oscillator with spherical aberration |
JP4021680B2 (ja) * | 2002-02-22 | 2007-12-12 | サンクス株式会社 | レーザ加工装置 |
US6891878B2 (en) * | 2003-05-01 | 2005-05-10 | Raytheon Company | Eye-safe solid state laser system and method |
JP4069894B2 (ja) | 2004-03-30 | 2008-04-02 | 三菱電機株式会社 | 固体レーザ装置 |
RU2474022C2 (ru) * | 2011-01-18 | 2013-01-27 | ООО Научно-производственный центр "Лазеры и аппаратура ТМ" | Способ лазерной обработки материалов и устройство для его осуществления |
JP6026467B2 (ja) * | 2013-09-18 | 2016-11-16 | 富士フイルム株式会社 | 固体レーザ装置および光音響計測装置 |
US9219343B1 (en) * | 2014-10-22 | 2015-12-22 | Gooch And Housego Plc | Crystal capture housing with non-contact fluid cooling |
CN104617469B (zh) * | 2015-02-13 | 2017-06-09 | 中国工程物理研究院激光聚变研究中心 | 一种压力自动平衡激光头装置 |
JP2022013224A (ja) * | 2020-07-03 | 2022-01-18 | 住友重機械工業株式会社 | レーザ発振器 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1903946A1 (de) * | 1968-01-29 | 1969-08-07 | Eastman Kodak Co | Festkoerperlaser mit verbesserter Pumpflaeche und Verfahren zu seiner Herstellung |
US3629723A (en) * | 1969-04-21 | 1971-12-21 | American Optical Corp | Athermal laser using a one-eighth wave faraday rotator |
US3699472A (en) * | 1970-03-10 | 1972-10-17 | American Optical Corp | Athermally stable laser device |
NL172502A (de) * | 1971-04-30 | |||
JPS60131851A (ja) * | 1983-12-19 | 1985-07-13 | Hoya Corp | リン酸塩レ−ザガラスの耐熱衝撃強度を増加させる方法 |
US4713820A (en) * | 1985-08-02 | 1987-12-15 | Allied Corporation | Thermal lensing-compensated lanthanum beryllate laser |
US4751716A (en) * | 1986-05-01 | 1988-06-14 | Amada Engineering & Service Co., Inc. | Hollow cylindrical solid state laser medium and a laser system using the medium |
DE3764783D1 (de) * | 1986-12-08 | 1990-10-11 | Mitsubishi Electric Corp | Laserapparat. |
KR910008990B1 (ko) * | 1987-06-03 | 1991-10-26 | 미츠비시 덴키 가부시키가이샤 | 레이저장치 |
US4802186A (en) * | 1987-07-06 | 1989-01-31 | Hughes Aircraft Company | High reflectance laser resonator cavity |
US4937424A (en) * | 1987-07-20 | 1990-06-26 | Mitsubishi Denki Kabushiki Kaisha | Laser machining apparatus |
US4809283A (en) * | 1988-02-26 | 1989-02-28 | Allied-Signal Inc. | Method of manufacturing chromium-doped beryllium aluminate laser rod and lasers incorporating the rods therein |
US4894837A (en) * | 1988-11-18 | 1990-01-16 | Spectra-Physics | Absorbing filter in pump cavity for control of beam quality |
FR2641421A1 (fr) * | 1989-01-03 | 1990-07-06 | Comp Generale Electricite | Laser a plaque avec pompage optique par source a plage d'emission etroite |
US4899347A (en) * | 1989-05-11 | 1990-02-06 | General Electric Company | Solid state laser gain medium with diamond coating |
US4962995A (en) * | 1989-06-16 | 1990-10-16 | Gte Laboratories Incorporated | Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources |
US5005182A (en) * | 1989-10-11 | 1991-04-02 | Seton Health Care Foundation | Laser pumping apparatus |
US5243615A (en) * | 1991-11-20 | 1993-09-07 | Laserscope | High-powered intracavity non-linear optic laser |
US5287373A (en) * | 1992-08-17 | 1994-02-15 | Alliedsignal Inc. | Gradient doped solid state laser gain media |
-
1993
- 1993-08-02 JP JP05191441A patent/JP3083688B2/ja not_active Expired - Fee Related
- 1993-08-31 US US08/114,086 patent/US5359616A/en not_active Expired - Lifetime
- 1993-09-15 DE DE4331389A patent/DE4331389C2/de not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10137069A1 (de) * | 2001-07-28 | 2003-02-20 | Haas Laser Gmbh & Co Kg | Vorrichtung zum optischen Pumpen eines laseraktiven Festkörpers |
DE10139753A1 (de) * | 2001-08-13 | 2003-03-13 | Med Laserzentrum Luebeck Gmbh | Longitudinal gepumpter Laser mit Pumplichtführung |
Also Published As
Publication number | Publication date |
---|---|
JP3083688B2 (ja) | 2000-09-04 |
US5359616A (en) | 1994-10-25 |
DE4331389A1 (de) | 1994-03-17 |
JPH06152018A (ja) | 1994-05-31 |
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Effective date: 20110401 |