| 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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| 01/13/1994 | DE4222270A1 Optical fibre amplifier circuit, e.g. for radio and television distribution network - reduces output power to safe level if fibre is broken and detects when fibre is reinstalled |
| 01/13/1994 | DE4220933A1 Solid state laser with birefringent laser crystal - cut to emit radiation simultaneously along two perpendicular crystallographic axes. |
| 01/12/1994 | EP0578499A2 Laser diode module |
| 01/12/1994 | EP0578407A1 Erbium doped optical devices |
| 01/12/1994 | EP0578226A1 Ion laser tube |
| 01/12/1994 | EP0577870A1 Discharge excitation pulsed laser oscillation device |
| 01/12/1994 | EP0577655A1 Infrared laser system |
| 01/11/1994 | US5278869 Optical wavelength converting apparatus |
| 01/11/1994 | US5278860 Modular construction of face-pumped laser head components |
| 01/11/1994 | US5278859 Stripline laser |
| 01/11/1994 | US5278855 Laser system |
| 01/11/1994 | US5278852 Intra-cavity high order harmonic laser |
| 01/11/1994 | US5278851 Solid-state laser |
| 01/11/1994 | US5278850 Wave-guiding structure with lasing properties |
| 01/11/1994 | US5278107 Optical parts and equipment using infrared athermal glasses |
| 01/11/1994 | US5277040 Circulation type gas purification apparatus and method of operating the same |
| 01/11/1994 | CA2019253C Optical fiber amplifier |
| 01/06/1994 | WO1994000928A1 Optical source for communications system |
| 01/06/1994 | WO1994000084A1 Testicle support garment |
| 01/06/1994 | CA2138944A1 Testicle support garment |
| 01/05/1994 | EP0577259A1 Optical fibre amplifier |
| 01/05/1994 | EP0325640B1 Raman cavity dump laser |
| 01/05/1994 | DE4220705A1 Light beam dividing apparatus forming homogeneous part-beams - has multiple lenses with convex input side and prism-shaped output side followed by collecting lens |
| 01/05/1994 | CN2152326Y Small laser direction pointing instrument |
| 01/05/1994 | CN1023428C Circular laser polariscope |
| 01/04/1994 | US5276746 Polarization independent optical tap |
| 01/04/1994 | US5276701 Ring laser employing unidirectional attenuator |
| 01/04/1994 | US5276695 Multifrequency, rapidly sequenced or simultaneous tunable laser |
| 01/04/1994 | US5276694 Laser oscillator |
| 01/04/1994 | US5276549 Optical transmitter including rare earth-doped fiber |
| 01/04/1994 | CA1325827C Light transmitting device utilizing indirect reflection |
| 12/29/1993 | EP0576197A2 Short wavelength coherent light generating apparatus |
| 12/29/1993 | EP0575750A2 Laser with longitudinal mode selection |
| 12/29/1993 | EP0575324A1 Mixed gas ion laser |
| 12/29/1993 | EP0428748B1 Method of preventing erroneous projection of laser beam in a laser robot |
| 12/29/1993 | CN2151553Y Stepped carbon dioxide laser |
| 12/29/1993 | CN2151552Y Heat banlancing laser discharge tube with composite electrodes |
| 12/29/1993 | CN2151479Y Optical radiation regulator for large power laser processing system |
| 12/29/1993 | CN1023348C Active fibre optical amplifier, with double-core portions, having wide signal wavelength band |
| 12/28/1993 | USRE34490 Compact, integral, 6-mirror, triaxial, laser rate gyro |
| 12/28/1993 | US5274734 Article comprising a rare earth or transition metal doped optical fiber |
| 12/28/1993 | US5274661 Thin film dielectric coating for laser resonator |
| 12/28/1993 | US5274659 Harmonically mode-locked laser |
| 12/28/1993 | US5274658 Population inversion by excited energy level absorption |
| 12/28/1993 | US5274654 Laser beam generating apparatus |
| 12/28/1993 | US5274651 Optical modulator with nonlinear medium disposed interiorly of laser resonator |
| 12/28/1993 | US5274650 Solid state laser |
| 12/28/1993 | US5274496 Optical amplifying repeater with monitor and control function |
| 12/23/1993 | WO1993026067A1 Raman device |
| 12/23/1993 | WO1993026066A1 Nonlinear optical frequency converter |
| 12/22/1993 | EP0575206A1 High-power gas mixture laser apparatus |
| 12/22/1993 | EP0575128A1 Optically pumped pulsed laser |
| 12/22/1993 | EP0574921A2 Laser beam generator |
| 12/22/1993 | EP0574749A2 Polarization-independent optical isolator |
| 12/22/1993 | CN1079828A Low-light level resonant cavity for low-light level labeling machine |
| 12/22/1993 | CN1079820A Fabry-Perot with coated mirrors |
| 12/21/1993 | US5272717 Single focus backward Raman laser |
| 12/21/1993 | US5272713 High repetition rate pulsed laser |
| 12/21/1993 | US5272710 Stress-free mounting and protection of liquid-cooled solid-state laser media |
| 12/21/1993 | US5272709 Frequency doubled laser having power triggered optimization and regulation |
| 12/21/1993 | US5272708 Two-micron modelocked laser system |
| 12/21/1993 | US5272560 Variable spectral width multiple pass optical noise source |
| 12/21/1993 | US5272342 Diffused layer depth measurement apparatus |
| 12/21/1993 | US5272309 Bonding metal members with multiple laser beams |
| 12/21/1993 | US5271796 Method and apparatus for detecting defect on semiconductor substrate surface |
| 12/20/1993 | CA2098653A1 Gaseous mixture power laser |
| 12/20/1993 | CA2097140A1 Polarization-independent optical isolator |
| 12/16/1993 | CA2097216A1 Apparatus for efficient, more uniform high power excitation of a dye media optical amplifier |
| 12/15/1993 | EP0573857A1 Brillouin ring laser gyroscope |
| 12/15/1993 | EP0573737A2 An optical device using a cerium-doped KTP crystal |
| 12/15/1993 | EP0573580A1 Laser systems |
| 12/15/1993 | CN1023169C Fast connecting protector for pulse laser device |
| 12/15/1993 | CN1023168C Wide-band ultra-short pulse laser system |
| 12/15/1993 | CN1023167C Wide-band turning ultra-short pulse laser system |
| 12/14/1993 | US5271031 High efficiency mode-matched solid-state laser with transverse pumping and cascaded amplifier stages |
| 12/14/1993 | US5271029 Waveguide laser for use at high laser power |
| 12/14/1993 | US5271027 Gas discharge device current control circuit |
| 12/14/1993 | US5271026 Discharge excitation gas laser device |
| 12/14/1993 | US5271025 Mode-locked upconversion laser source |
| 12/14/1993 | US5271024 Optical fiber amplifier and laser with flattened gain slope |
| 12/14/1993 | US5269778 Variable pulse width laser and method of use |
| 12/14/1993 | CA1325121C Optical wave guides |
| 12/09/1993 | WO1993024977A1 Filter with preselected attenuation/wavelength characteristic |
| 12/09/1993 | WO1993003826A1 Gadolinium photoionization process |
| 12/09/1993 | DE4218532A1 Selecting laser transitions in monomode microcrystal resonator - controlling resonator temp. so that modes are shifted without frequency-pulling through choice of Q |
| 12/09/1993 | CA2093207A1 Gadolinium photoionization process |
| 12/08/1993 | EP0573375A1 Printing techniques using multiple diode lasers |
| 12/08/1993 | EP0572856A1 Controlling of a pulsed high frequency generator, in particular for laser excitation |
| 12/08/1993 | EP0572383A1 Coupled-cavity q-switched laser |
| 12/08/1993 | CN1079341A High-power frequency stabilized laser tube |
| 12/07/1993 | US5268978 Optical fiber laser and geometric coupler |
| 12/07/1993 | US5268923 Mirror mount for lasers |
| 12/07/1993 | US5268921 Multiple discharge gas laser apparatus |
| 12/07/1993 | US5268920 System for end-pumping a solid state laser using a large aperture laser diode bar |
| 12/07/1993 | US5268919 Gas laser oscillating device |
| 12/07/1993 | US5268915 Method and apparatus for assessing laser temperature |
| 12/07/1993 | US5268913 Frequency-doubling solid state laser |
| 12/07/1993 | US5268912 Harmonic light source capable of being optically modulated and optical information processing apparatus employing the same |
| 12/07/1993 | US5268911 X-cut crystal quartz acousto-optic modulator |
| 12/07/1993 | US5268910 Superluminescent optical source |