| Patents for H01S 3 - Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (57,482) |
|---|
| 08/24/1991 | CA2034832A1 Solid laser device |
| 08/22/1991 | WO1991012641A1 Solid state laser diode light source |
| 08/22/1991 | WO1991012640A1 Laser with beam-intensity adjustment device |
| 08/22/1991 | WO1991012544A1 Optical fibre light source |
| 08/21/1991 | WO1991013377A1 Tunable optical filters |
| 08/21/1991 | EP0442553A1 Optical amplifier having a single-mode curved active fibre |
| 08/21/1991 | EP0442518A2 A method for optical switching and an optical switch |
| 08/21/1991 | CN2083349U Laminated air-cooled field coil |
| 08/20/1991 | WO1990010327A1 A heat dissipating device for laser diodes |
| 08/20/1991 | US5042048 Target illuminators and systems employing same |
| 08/20/1991 | US5042047 Laser apparatus |
| 08/20/1991 | US5042040 Amplitude noise reduction for optically pumped modelocked lasers |
| 08/20/1991 | US5042039 Er-doped optical fiber laser device |
| 08/20/1991 | US5041238 o,o'-Bridged oligophenylene laser dyes, dyestuff lasers and methods of lasing therewith |
| 08/20/1991 | CA2027545A1 Heat dissipating device for laser diodes |
| 08/16/1991 | WO1991012499A1 Wavelength detector |
| 08/16/1991 | CA2051398A1 Wavelength detecting apparatus |
| 08/14/1991 | EP0441211A2 Active fibre optical amplifier, with double-core portions, having a wide signal wavelength band |
| 08/14/1991 | DE4004071A1 Solid state laser resonator - has laser beam releasable through partially reflective element, integral with prisms or through triple mirror |
| 08/14/1991 | DE4003841A1 Laser resonator for pulsed excimer laser - has thickness of output-coupling mirror substrate different from that of end mirror |
| 08/13/1991 | US5040185 Large volume gaseous electric discharge system |
| 08/13/1991 | US5040184 Starter circuit for an RF laser |
| 08/13/1991 | US5040182 Mode-locked laser |
| 08/13/1991 | US5039199 Lightwave transmission system having remotely pumped quasi-distributed amplifying fibers |
| 08/13/1991 | US5039190 Apparatus comprising an optical gain device, and method of producing the device |
| 08/13/1991 | CA2026546A1 Multioscillator ring laser gyro using compensated optical wedge |
| 08/08/1991 | WO1991011820A1 Optical surface polishing method |
| 08/08/1991 | WO1991011546A1 Doped crystalline compositions and a method for preparation thereof |
| 08/08/1991 | DE4002190A1 Cleaning contaminated laser gas - by chilling in heat exchanger leading to cooling trap or with liq. nitrogen |
| 08/07/1991 | EP0440379A2 Lighting device |
| 08/07/1991 | EP0440049A1 Integrated optical signal amplifier |
| 08/07/1991 | EP0440024A2 Multistage optical fibre amplifier |
| 08/07/1991 | EP0439867A1 Optical power amplifier with doped active fibre |
| 08/07/1991 | EP0439608A1 R-f discharge excited laser device |
| 08/07/1991 | CN1053714A Optical power amplifier with doped active fibre |
| 08/06/1991 | US5038360 Birefringent filter for use in a tunable pulsed laser cavity |
| 08/06/1991 | US5038359 Self-pumped, optical phase conjugation method and apparatus using pseudo-conjugator to produce retroreflected seed beam |
| 08/06/1991 | US5038358 Light amplification |
| 08/06/1991 | US5038357 Elongated |
| 08/06/1991 | US5038353 Method and apparatus for lasing |
| 08/06/1991 | US5038352 Laser system and method using a nonlinear crystal resonator |
| 08/06/1991 | US5038185 Structurally consistent surface skimming hetero-transverse junction lasers and lateral heterojunction bipolar transistors |
| 08/06/1991 | US5038082 Vacuum switch apparatus |
| 08/06/1991 | US5037578 Light source excites dyes solution to generate coherent laser radiation |
| 08/06/1991 | US5037203 Asymmetric ring laser gyroscope and method for detecting rotation with acentric photorefractive crystal |
| 08/06/1991 | US5037200 Laser-operated detector |
| 08/06/1991 | US5037181 Claddings for single crystal optical fibers and devices and methods and apparatus for making such claddings |
| 08/01/1991 | DE4103125A1 Axial flow gas laser tube - allows part of gas heated in tube to escape to prevent overheating |
| 08/01/1991 | DE4002369A1 Multistage fibre=optic amplifier - provides constant amplification over large range of wavelengths using selective directional coupler and pump light source |
| 08/01/1991 | DE4002048A1 Recombination laser producing plasma between electrodes - vapourises cathode material in explosion-like fashion by application of HV pulse |
| 07/31/1991 | EP0438405A1 Laser resonator. |
| 07/30/1991 | US5036520 Holmium laser pumped with a neodymium laser |
| 07/30/1991 | US5036517 Target illuminators and systems employing same |
| 07/30/1991 | US5036220 Nonlinear optical radiation generator and method of controlling regions of ferroelectric polarization domains in solid state bodies |
| 07/30/1991 | CA1287154C Laser apparatus |
| 07/30/1991 | CA1287096C Frequency stabilization of gas lasers |
| 07/30/1991 | CA1286906C Multicolor laser recording method and element |
| 07/25/1991 | WO1991011043A1 Laser plasma x-ray source |
| 07/25/1991 | WO1991011042A1 Unidirectional, planar ring laser with birefringence |
| 07/25/1991 | WO1991010533A1 Method of laser cutting work |
| 07/25/1991 | DE4002005A1 Inert-gas ion laser with hexagonal discharge channel - has longitudinal field strength assumes circular cross=section in combined trapezoidal grooves with rounded edges |
| 07/25/1991 | DE4002004A1 Gas ion laser - with long laser tube segment coated with resistive layer |
| 07/24/1991 | EP0438227A2 Metal vapor laser apparatus |
| 07/24/1991 | EP0437955A1 Medical laser treatment apparatus |
| 07/24/1991 | EP0437935A2 Erbium-doped fiber amplifier |
| 07/24/1991 | EP0330670B1 Laser system |
| 07/24/1991 | CN1013329B Waveform regulating method for adjustable q laser pulse |
| 07/23/1991 | US5034960 Arrangement for the input of energy into a conducting electrical gas discharge, especially for a gas laser |
| 07/23/1991 | US5034959 Gas laser and method of manufacturing the same |
| 07/23/1991 | US5034953 Laser device capable of making a temperature distribution uniform in a slab-shaped laser medium |
| 07/23/1991 | US5034952 Laser for high frequency modulated interferometry |
| 07/23/1991 | US5034951 Femtosecond ultraviolet laser using ultra-thin beta barium borate |
| 07/23/1991 | US5034950 Non-linear isolator based on stimulated Brillouin scattering for a laser apparatus |
| 07/23/1991 | US5034810 Two wavelength in-situ imaging of solitary internal waves |
| 07/23/1991 | US5034651 High-voltage electrode |
| 07/23/1991 | US5034627 Power laser generator with control of the direction of emission of the output beam |
| 07/23/1991 | CA1286711C Laser device with wavelength stabilization control and method of operating the same |
| 07/18/1991 | DE4000601A1 Optical amplifier coupling optical fibres by waveguide - in form of dye-filled capillary irradiated by pumped light |
| 07/17/1991 | EP0437183A1 Light diffuser for a photodynamic therapy of tumours in the oesophagus of a patient |
| 07/17/1991 | EP0437182A1 Fibre optic apparatus for the photodynamic treatment of tumours |
| 07/17/1991 | EP0436532A1 Torsional vibration drive |
| 07/17/1991 | CN1053148A Uniform lighting unit for plate laser set |
| 07/16/1991 | US5033061 Laser alignment servo method and apparatus |
| 07/16/1991 | US5033060 Optical device for laser coupling and coherent beam combining |
| 07/16/1991 | US5033059 Gas laser apparatus |
| 07/16/1991 | US5033058 Rod laser with optical pumping from a source having a narrow emitting area |
| 07/16/1991 | US5033056 Gas laser |
| 07/16/1991 | US5033055 Compact excimer laser |
| 07/16/1991 | US5033054 Phase conjugate laser |
| 07/16/1991 | US5033052 Optical semiconductor device and production method thereof |
| 07/16/1991 | US5033051 Method of converting laser radiation into another wavelength range by Raman scattering and apparatus for implementing the method |
| 07/16/1991 | US5032315 Phosphate glass useful in high power lasers |
| 07/12/1991 | WO1991011538A2 Improving material properties |
| 07/12/1991 | CA2072070A1 Material properties |
| 07/11/1991 | WO1991010273A1 Unidirectional, monolithic planar ring laser with birefringence |
| 07/11/1991 | WO1991010272A1 Improved optical fibre laser |
| 07/10/1991 | EP0436522A2 Source of coherent short wavelength radiation |
| 07/10/1991 | EP0436479A2 Free electron laser |
| 07/10/1991 | EP0436411A1 Device for coherently combining laser beams |
| 07/10/1991 | EP0436193A2 Folded-path waveguide laser |