| 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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| 05/26/1993 | EP0543570A2 Optical transmission system equalizer |
| 05/26/1993 | EP0543420A1 Optical element manufacturing method |
| 05/26/1993 | EP0543110A1 Extended laser life |
| 05/26/1993 | EP0543061A1 Light amplifying polarizer |
| 05/26/1993 | EP0532669A4 An improved frequency standard using an atomic stream of optically cooled atoms |
| 05/26/1993 | EP0422050B1 Aerodynamic window for gas lasers |
| 05/26/1993 | EP0371014B1 Rf excited all metal gas laser |
| 05/26/1993 | CN1072534A Multichannel laser power source |
| 05/25/1993 | US5214723 Electro-optic device including a waveguide |
| 05/25/1993 | US5214666 Solid state laser oscillator |
| 05/25/1993 | US5214664 Multiple wavelength semiconductor laser |
| 05/25/1993 | US5214659 Laser device |
| 05/25/1993 | US5214658 Mixed gas ion laser |
| 05/25/1993 | US5214344 High-power radiator |
| 05/25/1993 | US5213907 Dense, smooth, ductile, hard, reflective, corrosion resistant, heat resistant, wear resistant |
| 05/19/1993 | EP0542718A1 Discharge excitation type short pulse laser device |
| 05/19/1993 | EP0542379A1 Temperature stabilizable laser apparatus |
| 05/19/1993 | EP0542198A1 A semiconductor optical amplifier device and a method of using the same |
| 05/19/1993 | EP0541765A1 Laser dyes including water-soluble coumarin derivatives. |
| 05/19/1993 | EP0541658A1 High power light source |
| 05/19/1993 | DE4223129A1 Optical beam induced current detection appts. - comprising light emission and scanning, detecting and depicting of current |
| 05/19/1993 | DE4207825C1 Jet lamina block for gas dynamic laser - has highly accurate groves formed for positive locking in flow direction of vessels |
| 05/19/1993 | CN2133953Y Switch controlled internal modulation steady-current he-ne laser power |
| 05/19/1993 | CN1072292A Copper vapor laser equipment |
| 05/18/1993 | US5212747 Zero loss waveguide coupler |
| 05/18/1993 | US5212711 Harmonically mode-locked laser |
| 05/18/1993 | US5212710 Laser light beam synthesizing apparatus |
| 05/18/1993 | US5212708 Axial flow gas laser particularly high-power CO2 laser with DC excitation |
| 05/18/1993 | US5212704 Gallium arsenide semiconductor |
| 05/18/1993 | US5212698 Dispersion compensation for ultrashort pulse generation in tuneable lasers |
| 05/18/1993 | US5212594 Rotatable joints for communication lines |
| 05/13/1993 | WO1993009581A1 Method and apparatus to compensate for distortion in optical transmission systems |
| 05/13/1993 | WO1993009580A1 AMPLIFICATION OF ULTRASHORT PULSES WITH Nd:GLASS AMPLIFIERS PUMPED BY ALEXANDRITE FREE RUNNING LASER |
| 05/13/1993 | WO1993008877A1 Corneal surgery device and method |
| 05/13/1993 | DE4212778C1 Atomic frequency standard with resonance cell within cavity resonator - uses phase detector to control FM microwave oscillator exciting cell, laser diode as pump light source and photocell to intercept laser beam passing through cell |
| 05/12/1993 | EP0541420A1 Optical generator for microwave signal transmission |
| 05/12/1993 | EP0541304A1 Monolithically integrated Fabry-Perot saturable absorber |
| 05/12/1993 | EP0541061A2 Optical-fiber light amplifier |
| 05/12/1993 | EP0540602A1 Optical waveguide amplifier. |
| 05/11/1993 | US5210808 Unit for amplifying light signals in optical fiber transmission lines |
| 05/11/1993 | US5210768 Multi-slab solid state laser system |
| 05/11/1993 | US5210764 Method and apparatus for generating laser radiation having multiple wavelengths with synchronized and spatially overlapping beam propagation |
| 05/11/1993 | US5209291 Cooling apparatus for optical devices |
| 05/06/1993 | DE4136272A1 Simplified fluorine@ gas prodn. for excimer laser gas discharge chamber - by heating metal fluoride in temp. adjustable reactor |
| 05/05/1993 | EP0540381A1 Raman effect laser |
| 05/05/1993 | EP0539889A2 Micromechanical actuator |
| 05/05/1993 | CN1071789A Laser frequency stabiliz ation method and device |
| 05/04/1993 | US5208881 Method and apparatus for optical beam combination and cleanup using stimulated scattering |
| 05/04/1993 | US5208827 Semiconductor laser device having a transparent waveguide and a large second harmonic generation output |
| 05/04/1993 | US5208825 Random polarization gas laser tube |
| 05/04/1993 | US5208822 Semiconductor element having opposite signs of α parameter |
| 05/04/1993 | US5208819 Optical source with frequency locked to an in-fiber grating resonantor |
| 05/04/1993 | US5208699 Compensated, SBS-free optical beam amplification and delivery apparatus and method |
| 05/04/1993 | US5208653 Multioscillator ring laser gyroscope adaptive digitally controlled cavity length control system |
| 05/04/1993 | US5208455 Square optical pulse generator |
| 05/04/1993 | US5208439 Laser beam relay unit |
| 05/04/1993 | US5208183 Single mode, edge-emitting |
| 05/04/1993 | CA2005957C Semiconductor laser device |
| 05/04/1993 | CA1317364C Optical communications modulator device |
| 05/01/1993 | CA2081844A1 Optical generator, particularly for transmitting microwage signals |
| 04/29/1993 | WO1993008625A1 An internally stimulated optical parametric oscillator/laser |
| 04/29/1993 | WO1993008500A2 Optically encoded phase matched second harmonic generation, self frequency doubling laser material, and holographic optical memory using semiconductor microcrystallite doped glasses |
| 04/29/1993 | CA2119450A1 Optically encoded phase matched second harmonic generation, self frequency doubling laser material, and holographic optical memory using semiconductor microcrystallite doped glasses |
| 04/28/1993 | EP0539267A1 Link with optical fibre amplifiers |
| 04/28/1993 | EP0539247A1 Optical amplifier with erbium-doped fiber |
| 04/28/1993 | EP0539149A1 Surface discharge corona plasma cathode assembly |
| 04/28/1993 | EP0539015A1 Multiple wavelength semiconductor laser |
| 04/28/1993 | CN1071537A Controlling power supply with copper rapor laser tube |
| 04/27/1993 | US5206925 Rare earth doped core; excitation efficiency |
| 04/27/1993 | US5206922 Nonlinear optical switch utilising organic conjugated material and four wave mixing techniques |
| 04/27/1993 | US5206878 Wide strip diode laser employing a lens |
| 04/27/1993 | US5206876 Gasdynamic co laser |
| 04/27/1993 | US5206875 Gasdynamic co laser |
| 04/27/1993 | US5206874 Solid-state laser |
| 04/27/1993 | US5206873 Turbo blower for laser and laser oscillation device employing the turbo blower |
| 04/27/1993 | US5206870 Laser cathode voltage controller |
| 04/27/1993 | US5206869 Method and device for generating high quality laser beam from laser diodes |
| 04/27/1993 | US5206868 Resonant nonlinear laser beam converter |
| 04/27/1993 | US5206867 Suppression of relaxation oscillations in flashpumped, two-micron tunable solid state lasers |
| 04/27/1993 | US5206473 Nc laser device |
| 04/27/1993 | US5206280 Laser markable white pigment composition |
| 04/27/1993 | CA1316990C Power beam aligning device |
| 04/22/1993 | DE4235549A1 Light source unit, e.g. for laser printer or copier - contains multiple light emitting semiconductor laser chips arranged in mounting device to emit parallel light beams through collimator lens |
| 04/21/1993 | EP0538141A1 Laser beam formation installation adapted for isotopic separation |
| 04/21/1993 | EP0537692A1 Method of fabricating strip monomode active optical waveguides for optical telecommunications |
| 04/21/1993 | EP0394338B1 Apparatus and method for controlling a laser diode to generate a linear illuminative output |
| 04/21/1993 | EP0358769B1 Laser oscillator |
| 04/21/1993 | CN1071284A Quick connection protector of pulsive laser device |
| 04/20/1993 | US5204924 Optical fibre reflector |
| 04/20/1993 | US5204923 Unit for amplifying light signals in optical fiber transmission lines |
| 04/20/1993 | US5204867 Method and apparatus to dynamically control the resonator gain of a laser |
| 04/20/1993 | US5204523 Method for spot position control in an optical output device employing a variable wavelength light source and an optical beam deflecting element |
| 04/15/1993 | WO1993007664A1 An optical amplifier |
| 04/15/1993 | WO1993007663A1 Laser device |
| 04/15/1993 | DE4233094A1 Laser oscillator providing stabilised beam - + with setting plates for resonator mirrors and associated optical plate supported by thermal insulation components |
| 04/15/1993 | DE4133381A1 Laser operated surveyor's level with dual reference facility - has swivelling head, motorised rotating prism, and adaptor for sweeping beam in both horizontal and vertical planes |
| 04/14/1993 | EP0537032A1 Method and apparatus for supplying pulsed power to an ophthalmic laser system |
| 04/14/1993 | EP0536951A2 Apparatus for delivering a defocused laser beam having a sharp-edged cross-section |
| 04/14/1993 | EP0536945A1 A wide strip diode laser employing a lens |
| 04/14/1993 | EP0536415A1 Device for sensing abnormality in bearing of blower for gas laser |