| 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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| 07/10/1991 | CN2080721U Electro-optical q switch with polarizer |
| 07/10/1991 | CN2080720U Energy-saving current regulated power supply for co2 gas laser |
| 07/09/1991 | US5031189 Laser resonator |
| 07/09/1991 | US5031188 Inline diplex lightwave transceiver |
| 07/09/1991 | US5031184 Cooling arrangement for a semiconductor pump source |
| 07/09/1991 | US5031182 Single-frequency laser of improved amplitude stability |
| 07/09/1991 | US5030851 High efficiency diode pumped compact laser |
| 07/09/1991 | US5029581 Laser therapeutic apparatus |
| 07/03/1991 | EP0435506A2 Infrared delivery system with aiming component |
| 07/03/1991 | EP0435469A2 Method for laser link blowing in integrated circuit fabrication |
| 07/03/1991 | EP0435217A2 Embedded Bragg grating pumped lasers |
| 07/03/1991 | EP0435125A2 Method and apparatus for stabilizing oscillation frequency separation among a plurality of laser devices |
| 07/03/1991 | CN2080248U Acoustooptic mould locking device |
| 07/02/1991 | USH933 Infrared coherent optical sensor |
| 07/02/1991 | US5029335 Heat dissipating device for laser diodes |
| 07/02/1991 | US5029179 Laser apparatus and method for simple conversion between standing-wave and ring resonator configurations |
| 07/02/1991 | US5029178 High repetition nitrogen laser assembly using a nitrogen-electronegative gas mixture |
| 07/02/1991 | US5029177 Compact excimer laser |
| 07/02/1991 | US5029174 Intermodulation product stabilized laser |
| 07/02/1991 | US5029173 Laser system with multiple radial discharge channels |
| 07/02/1991 | US5029172 Highly efficient free-electron laser system |
| 07/02/1991 | CA1285538C Blower for propelling a continuous gas stream |
| 06/26/1991 | EP0434048A2 Compact high voltage power supply |
| 06/26/1991 | EP0433859A1 Optical element and method for its production |
| 06/26/1991 | EP0433432A1 Solid laser with a transmission wavelength of 0.5-0.65 micrometres |
| 06/26/1991 | CN2079818U Impedance self-control co2 laser power supply |
| 06/25/1991 | US5027435 Optical communication systems using Fabry-Perot cavities |
| 06/25/1991 | US5027367 Single-frequency monolithic nonplanar ring laser and method for determining same |
| 06/25/1991 | US5027366 Compact excimer laser |
| 06/25/1991 | US5027365 Pulsed laser and method |
| 06/25/1991 | US5027364 Laser diode with buried active layer and lateral current limitation |
| 06/25/1991 | US5027361 Efficient laser harmonic generation employing a low-loss external optical resonator |
| 06/25/1991 | US5027360 High power continuous wave injection-locked solid state laser |
| 06/25/1991 | US5027359 Miniature Talbot cavity for lateral mode control of laser array |
| 06/25/1991 | US5027079 Optics |
| 06/25/1991 | US5025952 Gas resupply valve with microscopic aperture and with sealing member supported by valve body |
| 06/20/1991 | DE4037924A1 Pulse gas laser - has pre-ionisation sparking arrangement, metal laser chamber and gas outlet |
| 06/20/1991 | CA2032458A1 Infrared delivery system with aiming component |
| 06/19/1991 | EP0433266A1 Output voltage detecting device in a laser oscillator |
| 06/19/1991 | EP0433122A1 Laser device with ring resonator |
| 06/19/1991 | EP0433109A1 Device continuously tuning a coherent and linearly polarized light source |
| 06/19/1991 | EP0432963A2 Method and apparatus for evaluating ion implant dosage levels in semiconductors |
| 06/19/1991 | EP0432912A2 Injecting a beam into an optical fiber |
| 06/19/1991 | EP0432150A1 Laser diode with buried active layer and lateral current limiting and process for its manufacture. |
| 06/18/1991 | US5025449 Optical pumping-type solid-state laser apparatus with a semiconductor laser device |
| 06/18/1991 | US5025446 Intra-cavity beam relay for optical harmonic generation |
| 06/18/1991 | US5025445 System for, and method of, regulating the wavelength of a light beam |
| 06/18/1991 | CA1285058C Unitary solid-state laser |
| 06/18/1991 | CA1285056C Low cost ring laser angular rate sensor |
| 06/15/1991 | WO1991009475A1 Lossless optical component |
| 06/13/1991 | WO1991008605A1 Device for charging electrical energy storage means provided with means for controlling said charging |
| 06/13/1991 | WO1991008602A1 Variable frequency dye laser |
| 06/12/1991 | EP0432035A1 Quantum well optical device and production process |
| 06/12/1991 | EP0432009A1 Miniature optical source and producing process |
| 06/12/1991 | EP0431846A2 Semiconductor switching apparatus |
| 06/12/1991 | EP0431840A2 Ultra-short optical pulse source |
| 06/12/1991 | EP0431619A2 Laser device |
| 06/12/1991 | EP0431299A2 Two wavelength in-situ imaging of solitary internal waves |
| 06/12/1991 | EP0388455A4 Dental laser assembly |
| 06/12/1991 | CN1052234A Low-noise optical amplification unit with reflection of pumping power |
| 06/12/1991 | CN1052223A Active fiber optical amplifier having wide band signal wavelength |
| 06/12/1991 | CN1052221A Light-emitting or receiving device and method for preparing same |
| 06/11/1991 | US5023886 High power laser with focusing mirror sets |
| 06/11/1991 | US5023885 External optical resonator for a semiconductor laser |
| 06/11/1991 | US5023884 Compact excimer laser |
| 06/11/1991 | US5023883 Continuous wave chemically pumped visible ultraviolet laser based on controlled condensation |
| 06/11/1991 | US5023878 Apparatus comprising a quantum well device and method of operating the apparatus |
| 06/11/1991 | US5023877 Miniature, optically pumped narrow line solid state laser |
| 06/11/1991 | US5023818 Laser scanner safety apparatus and method |
| 06/11/1991 | US5023563 Upshifted free electron laser amplifier |
| 06/11/1991 | US5022761 Ring laser gyroscope with a tube assembly |
| 06/11/1991 | US5022760 Compound resonator for improving optic gyro scale factor |
| 06/11/1991 | US5022759 Ring laser gyroscope arranged for maintaining ionized gas discharge transverse to the optical axis of the gyroscope |
| 06/11/1991 | US5022324 Piezoelectric crystal powered ignition device |
| 06/08/1991 | CA2028885A1 Two wavelength in-situ imaging of solitary internal waves |
| 06/07/1991 | CA2031445A1 Laser device |
| 06/06/1991 | DE3939904A1 Ring laser gyro with null crossing counting |
| 06/05/1991 | EP0430783A1 Long wavelength laser device |
| 06/05/1991 | EP0430765A1 Pulsating electric power supply system for a load, with means of diverting the electric energy reflected by the load |
| 06/05/1991 | EP0430747A1 Fiber optic measuring device, gyroscope and system for navigation and stabilisation |
| 06/05/1991 | EP0430691A2 Semiconductor heterostructures |
| 06/05/1991 | EP0430515A2 Erbium-doped fiber amplifier |
| 06/05/1991 | EP0430411A2 Apparatus for controlling the composition of a laser gas or gas mixture |
| 06/05/1991 | EP0429706A1 Laser processing method and apparatus |
| 06/05/1991 | EP0429652A1 High-frequency discharge-excited laser |
| 06/05/1991 | CN1052013A Amplifier for optical fiber telecommunication lines and optical fiber telecommunication lines incorporating said amplifier |
| 06/04/1991 | US5022043 High power diode-pumped solid state laser with unstable resonator |
| 06/04/1991 | US5022042 High power laser array with stable wavelength |
| 06/04/1991 | US5022041 Near resonant Nd3+, solid state laser system |
| 06/04/1991 | US5022040 Upconversion pumped lasers |
| 06/04/1991 | US5022039 Electric discharge |
| 06/04/1991 | US5022038 Optical signal |
| 06/04/1991 | US5022035 Semiconductor laser device |
| 06/04/1991 | US5022034 Laser device, including control of polarization mode |
| 06/04/1991 | US5022033 Ring laser having an output at a single frequency |
| 06/04/1991 | US5022032 Phased coupled waveguide laser |
| 06/04/1991 | US5021742 Laser amplifier |
| 06/04/1991 | US5021631 System for marking moving objects by laser beams |
| 06/04/1991 | US5021630 Laser soldering method and apparatus |
| 06/04/1991 | US5021362 Laser link blowing in integrateed circuit fabrication |