| 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) |
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| 04/30/1991 | US5012477 Optoelectronic power device and fabrication method thereof |
| 04/30/1991 | US5012473 Fixed wavelength laser using multiorder halfwave plate |
| 04/30/1991 | US5012212 Open resonator for electromagnetic waves having a polarized coupling region |
| 04/30/1991 | US5012174 Method and apparatus for countering vibrations of a platform |
| 04/30/1991 | US5012087 Fiber optic safety system |
| 04/30/1991 | US5012073 Data card and mailer data match/inserter system |
| 04/30/1991 | US5012069 Power control method in a CNC laser machining system |
| 04/30/1991 | US5010640 Method for improving a wiggler |
| 04/25/1991 | DE4032488A1 Thermal control of pumped laser cooling system - uses combined cooling and insulation to prevent lens-forming in medium |
| 04/25/1991 | DE4030734A1 Dental treatment by pulsed solid state laser - using fibre-optics tool and hydroxy-apatite or tetra:calcium phosphate filler |
| 04/25/1991 | DE4027353A1 Gas laser with humidity control - by solid electrolyte-type desiccating device |
| 04/24/1991 | EP0424270A2 Electro-emissive laser stimulated test |
| 04/24/1991 | EP0424017A2 Nonlinear optical device structure with compound semiconductor having graded chemical composition |
| 04/24/1991 | EP0423528A2 Semiconductor laser with electrically tunable wavelength |
| 04/24/1991 | EP0423513A2 Method of producing a laserwafer |
| 04/24/1991 | EP0423431A2 Surgical laser |
| 04/24/1991 | EP0185050B1 Face pumped rectangular slab laser apparatus having an improved optical resonator cavity |
| 04/23/1991 | US5010587 Appartaus for transmitting a coherent frequency modulated optical signal |
| 04/23/1991 | US5010555 Non-linear intractivity optical devices for free electron lasers |
| 04/23/1991 | US5010230 Laser processor |
| 04/23/1991 | US5009963 Metal material with film passivated by fluorination and apparatus composed of the metal material |
| 04/23/1991 | US5009658 Dual frequency laser lithotripter |
| 04/23/1991 | US5009655 Hot tip device with optical diagnostic capability |
| 04/23/1991 | US5009504 Monomode optical fiber ring interferometric device with semiconductor diode as light energy emission-reception/amplification means |
| 04/21/1991 | CA2027190A1 Electro-emissive laser stimulated test |
| 04/18/1991 | WO1991005386A1 Nonlinear optical device |
| 04/18/1991 | WO1991005385A1 Broadly tunable, high repetition rate solid state and dye lasers and uses thereof |
| 04/18/1991 | WO1991005383A1 Diode assisted, optical pump switched solid state laser |
| 04/18/1991 | WO1991005382A1 Scaleable, fibre laser bundle regenerative amplifier system |
| 04/18/1991 | WO1991005381A1 Scaleable, phase-locked, single mirror looped fibre bundle laser oscillator |
| 04/18/1991 | WO1991005380A1 Folded bundle, laser fibre, phase-locked laser oscillator |
| 04/18/1991 | WO1991001193A3 Coupling mechanism for efficient conversion of axisymmetric beam profiles into profiles suitable for diffraction-free transmission in free space |
| 04/17/1991 | EP0422834A2 Simultaneous generation of laser radiation at two different frequencies |
| 04/17/1991 | EP0422468A2 Self-pumped, optical phase conjugation method and apparatus using pseudo-conjugator to produce retroreflected seed beam |
| 04/17/1991 | EP0422418A2 Integrating laser diode pumped laser apparatus |
| 04/17/1991 | EP0422384A1 Regenerative ultraviolet driven photocathode |
| 04/17/1991 | EP0422155A1 Wavelength stabilization, in particular for interferometric measurement of length. |
| 04/17/1991 | EP0422132A1 Laser harmonic generation employing low-loss external optical resonator. |
| 04/17/1991 | EP0422050A1 Aerodynamic window for gas lasers. |
| 04/17/1991 | EP0422018A1 Optical fiber tap for monitoring laser input power |
| 04/17/1991 | EP0393163A4 Face pumped, looped fibre bundle, phased-array laser oscillator |
| 04/16/1991 | US5008896 Gas laser having a discharge tube through which the gas flows in an axial direction |
| 04/16/1991 | US5008895 Packaging device for diode laser pumped assembly |
| 04/16/1991 | US5008894 Drive system for RF-excited gas lasers |
| 04/16/1991 | US5008892 Semiconductor laser diodes |
| 04/16/1991 | US5008890 Red, green, blue upconversion laser pumped by single wavelength infrared laser source |
| 04/16/1991 | US5008887 Mode-locked fiber laser |
| 04/16/1991 | US5008798 Compact high voltage power supply |
| 04/16/1991 | US5008685 Laser generator for producing modulating data therefor |
| 04/16/1991 | US5007717 Real time analyzer for pulsed laser systems |
| 04/16/1991 | US5007698 Optical fiber amplifier/multiplexer |
| 04/11/1991 | CA2026379A1 Simultaneous generation of laser radiation at two different frequencies |
| 04/10/1991 | EP0421854A1 High power laser with optical control of the beam stearing |
| 04/10/1991 | EP0421675A2 Distributed amplification for lightwave transmission system |
| 04/10/1991 | EP0421661A2 Single-frequency laser of improved amplitude stability |
| 04/10/1991 | EP0421648A2 A surface discharge plasma cathode electron beam generating assembly |
| 04/10/1991 | EP0421169A1 Catalyst for the oxidation of carbon monoxide |
| 04/10/1991 | EP0377710A4 Hybrid laser |
| 04/10/1991 | EP0335869B1 Path length control mechanization for a ring laser angular rate sensor |
| 04/09/1991 | US5007066 Semiconductor laser apparatus |
| 04/09/1991 | US5007065 Bilithic unidirectional ring laser |
| 04/09/1991 | US5007064 Gas laser |
| 04/09/1991 | US5007060 Linear laser with two-swept frequencies of controlled splitting |
| 04/09/1991 | US5007059 Optical device |
| 04/09/1991 | US5005969 Optical projection apparatus with the function of controlling laser coherency |
| 04/09/1991 | US5005933 Non-linear optical device |
| 04/09/1991 | US5005929 Apparatus including a laser scanner |
| 04/09/1991 | CA1282831C Optical signal regenerator |
| 04/09/1991 | CA1282820C Laser wavelength stabilization |
| 04/07/1991 | CA2027175A1 Surface discharge plasma cathode electron beam generating assembly |
| 04/05/1991 | WO1991005384A1 Turbo blower for laser and laser oscillator using the same |
| 04/05/1991 | CA2042401A1 Turbo blower for laser and laser oscillation device employing the turbo blower |
| 04/04/1991 | WO1991004596A1 Phase-locked multi slab array laser |
| 04/04/1991 | WO1991004594A1 Improved optical fibre superfluorescent source |
| 04/03/1991 | EP0420629A1 Light-emitting or receiving device and method for preparing the same |
| 04/03/1991 | EP0420240A2 Halide laser glass and laser device utilizing the glass |
| 04/03/1991 | EP0420029A1 Device for deflecting and focusing a light beam |
| 04/03/1991 | EP0419671A1 Laser output control system |
| 04/03/1991 | EP0409921A4 Optical feedback control in the frequency conversion of laser diode radiation |
| 04/03/1991 | EP0378598A4 Looped, phased array laser oscillator |
| 04/03/1991 | CA2026146A1 Single-frequency laser of improved amplitude stability |
| 04/02/1991 | US5005182 Laser pumping apparatus |
| 04/02/1991 | US5005181 Method for controlling gas in halogen gas laser and device therefor |
| 04/02/1991 | US5005180 Laser catheter system |
| 04/02/1991 | US5005177 Laser optics quality monitoring |
| 04/02/1991 | US5005176 Method and apparatus for Q-switching a laser |
| 04/02/1991 | US5005175 Erbium-doped fiber amplifier |
| 04/02/1991 | US5004889 Laser power controlling method |
| 04/02/1991 | US5004343 Multiple ring paths in one block |
| 03/30/1991 | CA2026375A1 Light-emitting or receiving device and method for preparing the same |
| 03/27/1991 | EP0419320A1 Automatic harmonizing device for an opto-electronic system |
| 03/27/1991 | EP0419279A2 Ring laser gyroscopes |
| 03/27/1991 | EP0419059A1 Laser source |
| 03/27/1991 | EP0418997A1 High gain semiconductor laser amplifier package |
| 03/27/1991 | EP0418890A2 Solid state laser device for lithography light source and semiconductor lithography method |
| 03/27/1991 | EP0418344A1 Light-generation device. |
| 03/26/1991 | US5003625 Optical heterodyne detection and integrated optical component suitable for use in such a device |
| 03/26/1991 | US5003547 Crystal capable of accepting chromium ions or thulium ions as dopes for lasers |
| 03/26/1991 | US5003546 Interferometric devices for reducing harmonic distortions in laser communication systems |
| 03/26/1991 | US5003545 Method and apparatus for generating both a broadband continuous wave output and a pulsed output |