| 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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| 04/10/1990 | CA1267715A1 Axial gas laser |
| 04/10/1990 | CA1267714A1 Gas laser device |
| 04/09/1990 | EP0302094A4 Wavelength locked laser light source. |
| 04/05/1990 | WO1990003676A1 Lasing gases and working method with co2 laser |
| 04/05/1990 | WO1990003675A1 Method of tapering reflectivity of optical elements |
| 04/05/1990 | WO1990003674A1 Very high temperature heating device |
| 04/05/1990 | DE3925417A1 Two mode internally reflective laser for length measurement - has wavelength absolute controlled by measuring mode intensities for absolute frequency valve |
| 04/04/1990 | EP0362041A1 Laser gases and CO2 laser working method |
| 04/04/1990 | EP0361936A2 Lasing compositions and methods for using the same |
| 04/04/1990 | EP0361602A2 A light emitting device |
| 04/04/1990 | EP0361508A2 Non-linear optical device |
| 04/04/1990 | EP0202265B1 Long pulse tunable dye laser |
| 04/04/1990 | CN2055646U Rectangular pipe type adjustable laser head |
| 04/04/1990 | CN1041068A Dual-isotope zeeman laser and its freq-stabilizing method |
| 04/04/1990 | CN1007483B Wide-band coupling multi-frequency tunable laser |
| 04/03/1990 | US4914671 Laser device |
| 04/03/1990 | US4914666 Random-access digitally -tuned optical frequency synthesizer |
| 04/03/1990 | US4914665 Broadband-tunable external fiber-cavity laser |
| 04/03/1990 | US4914664 Tunable dye laser with suppressed frequency shift anomalies |
| 04/03/1990 | US4914663 Generation of short high peak power pulses from an injection mode-locked Q-switched laser oscillator |
| 04/03/1990 | US4914662 Laser wavelength stabilization |
| 04/03/1990 | US4914658 Mode-locked laser |
| 04/03/1990 | US4913934 Process for making laser Q-switch |
| 04/03/1990 | US4913548 Solid state fiber optic semiconductor ring laser gyro apparatus with non-optical readout |
| 04/03/1990 | US4913525 Frequency stabilized light source |
| 04/03/1990 | US4913520 Optical fiber for pulse compression |
| 03/28/1990 | EP0360165A2 Laser arrangement with switchable frequency conversion |
| 03/28/1990 | EP0359967A2 External optical resonator for a semiconductor laser |
| 03/27/1990 | US4912720 Laser cavity material |
| 03/27/1990 | US4912719 Ion laser tube |
| 03/27/1990 | US4912718 Device for a power laser |
| 03/27/1990 | US4912716 Method and apparatus for frequency modulation stabilization of a laser |
| 03/27/1990 | US4912713 Solid state laser rod for optimizing efficiency and minimizing wave front distortion |
| 03/27/1990 | US4912526 Optical frequency synthesizer/sweeper |
| 03/27/1990 | US4912082 Platinum group metal, reducible metal oxide and compound which bind water |
| 03/27/1990 | US4911904 Catalytic oxidation of carbon monoxide |
| 03/22/1990 | WO1990003055A1 Light emitting device and method of producing the same |
| 03/22/1990 | WO1990003053A1 Laser systems |
| 03/22/1990 | WO1990003052A1 Discharge tube for a gas laser device |
| 03/22/1990 | WO1990002627A1 Laser beam bender |
| 03/22/1990 | WO1990002626A1 Laser beam relay unit |
| 03/21/1990 | EP0359588A2 Dye lasers |
| 03/21/1990 | EP0358771A1 Power control system for cnc laser-beam machine tool |
| 03/21/1990 | EP0358769A1 Laser oscillator |
| 03/20/1990 | US4910749 Laser oscillator device |
| 03/20/1990 | US4910748 Laser cathode composed of oxidized metallic particles |
| 03/20/1990 | US4910747 Ion laser |
| 03/20/1990 | US4910746 Multiple crystal pumping cavity laser with thermal and mechanical isolation |
| 03/20/1990 | US4910742 Method and apparatus for the cooling of gas lasers |
| 03/20/1990 | US4910740 Second harmonic generation |
| 03/20/1990 | US4910739 Adjustable aperture |
| 03/20/1990 | US4910738 Short optical pulse generators using mode-locked semiconductor lasers oscillating in transverse magnetic modes |
| 03/20/1990 | US4910737 Bistable optical device comprising a lightly doped optical fibre |
| 03/20/1990 | US4910438 Wide band, high efficiency simmer power supply for a laser flashlamp |
| 03/20/1990 | US4910378 Beam bender for use in a laser-beam machining apparatus |
| 03/15/1990 | DE3929130A1 Fusionsgepumpte lichtquelle Fusion Pumped light source |
| 03/15/1990 | DE3830969A1 Laser transformer |
| 03/15/1990 | DE3830361A1 Laser using gas-discharge lamps for supply of energy - feeds laser-active medium, with AC mains connected directly to lamps or via AC-DC mains unit with fixed or adjustable frequency |
| 03/15/1990 | DE3829812A1 Solid-state laser |
| 03/14/1990 | EP0358464A2 Laser devices and laser system including the laser devices |
| 03/14/1990 | EP0358410A2 Low cost/power visible light solid state laser |
| 03/14/1990 | EP0358401A1 Laser systems |
| 03/14/1990 | CN1040443A 光纤放大器 Fiber Amplifier |
| 03/13/1990 | US4908832 High efficiency mode-matched solid-state laser with transverse pumping |
| 03/13/1990 | US4908829 Laser frequency stabilization by active resonator length regulation |
| 03/13/1990 | US4908585 RF transformer and diagnostic technique therefor |
| 03/13/1990 | US4907588 Laser system with laser actuation means |
| 03/08/1990 | WO1990002354A1 Laser scanner |
| 03/08/1990 | WO1990001907A1 Dental laser assembly |
| 03/08/1990 | DE3829134A1 Discharge tube |
| 03/07/1990 | EP0356941A2 Electromagnetic wave device |
| 03/07/1990 | EP0356746A2 Phosphate glass useful in high power lasers |
| 03/06/1990 | US4907243 Laser apparatus |
| 03/06/1990 | US4907242 Gas laser apparatus having a low pressure buffer gas |
| 03/06/1990 | US4907241 Gas laser device |
| 03/06/1990 | US4907240 Device for a power laser |
| 03/06/1990 | US4907237 Optical feedback locking of semiconductor lasers |
| 03/06/1990 | US4907235 Intra-cavity beam relay for optical harmonic generation |
| 02/28/1990 | EP0356302A1 Method and device for the optical filtration and photodetection of intensity-modulated signals |
| 02/28/1990 | EP0356289A1 Laser beam delivering apparatus |
| 02/28/1990 | EP0356282A1 Laser system especially for therapeutic use |
| 02/28/1990 | EP0355758A2 Wave guide device |
| 02/28/1990 | EP0355757A2 Waveguide laser system |
| 02/28/1990 | EP0355566A2 Tunable single-frequency ring laser |
| 02/28/1990 | EP0355274A2 Multicolored laser source |
| 02/27/1990 | US4905251 Self-preionizing resistively ballasted semiconductor electrode |
| 02/27/1990 | US4905250 Pre-ionizing electrode arrangement for a gas discharge laser |
| 02/27/1990 | US4905249 Conduit with annular recess filled with platinum plated alumina pellets |
| 02/27/1990 | US4905248 Metal vapor laser apparatus |
| 02/27/1990 | US4905247 High power tunable infrared mirrorless laser |
| 02/27/1990 | US4905244 Heterodyne laser spectroscopy system |
| 02/27/1990 | US4905243 Method and apparatus for stabilizing the frequency of a laser beam |
| 02/27/1990 | US4905041 Exposure apparatus |
| 02/27/1990 | US4904310 Radiation, oscillation; high speed |
| 02/27/1990 | US4904083 For use in a multioscillator gyro |
| 02/27/1990 | US4904041 Short optical pulse generator having a looped directional coupler external cavity |
| 02/22/1990 | WO1990001820A1 Apparatus for delivering a laser beam |
| 02/22/1990 | WO1990001819A1 Nc laser apparatus |
| 02/21/1990 | EP0354985A2 Bilithic unidirectional ring laser |
| 02/21/1990 | EP0354922A1 Gas laser |