| 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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| 04/25/2000 | US6055259 Cartridge excimer laser system |
| 04/25/2000 | US6055249 Laser light emitting apparatus |
| 04/25/2000 | US6055093 Optical amplifying apparatus and linear relay optical amplifier transmitter |
| 04/25/2000 | US6055092 Multi-wavelength light amplifier |
| 04/25/2000 | US6055087 Photo-induced electro-optic oscillator using a multiple quantum well pin diode |
| 04/25/2000 | US6053641 Fiber pigtail for optical communication module |
| 04/25/2000 | US6053640 Composite module for optical fiber amplifier |
| 04/20/2000 | WO2000022703A1 Excimer laser |
| 04/20/2000 | WO2000022702A1 Light amplifier, light amplification apparatus, and light amplification method |
| 04/20/2000 | WO2000021898A1 Optical fiber for light amplifier |
| 04/20/2000 | WO2000021865A1 Endless belt or fabric for use in a process control loop |
| 04/20/2000 | WO2000003460A3 Fiber optic amplifier |
| 04/20/2000 | WO2000003201A3 Scale factor stabilization of a broadband fiber source used in fiber optic gyroscopes in radiation environments |
| 04/20/2000 | WO2000001101A3 Thermal tuning of optical amplifiers in wdm systems |
| 04/20/2000 | DE19942954A1 Mode-locked laser, especially a cw-mode-locked fiber laser, has a resonant Fabry-Perot structure containing a nonlinear saturable absorber |
| 04/20/2000 | DE19941175A1 Ultraviolet light detector for laser monitoring in photolithography has coating which converts incident UV radiation into light of longer wavelength |
| 04/20/2000 | DE19925223A1 Laser arrangement for laser machining has two laser resonators with common laser medium and polarization controller for changing over between oscillating laser resonator optical axes |
| 04/20/2000 | DE19846688A1 Supersonic diffuser, especially for gas dynamic carbon dioxide high-energy laser, has re mixing tube enclosing gas flow as closely as possible after cellular part of supersonic section |
| 04/19/2000 | EP0994542A1 Laser oscillator with slab-shaped solid-state laser media |
| 04/19/2000 | EP0994541A2 Gas laser chamber/optics support structure |
| 04/19/2000 | EP0993693A1 Semiconductor micro-resonator device |
| 04/19/2000 | EP0993692A1 Excimer laser with magnetic bearings supporting fan |
| 04/19/2000 | CN1250960A Discharge system of CO2 pulse laser device |
| 04/18/2000 | US6052499 Optical demultiplexer filter system to eliminate cross-talk side-lobes |
| 04/18/2000 | US6052402 Laser having an electrode assembly including arc suppression means |
| 04/18/2000 | US6052401 Electron beam irradiation of gases and light source using the same |
| 04/18/2000 | US6052396 Thermal radiation shield for laser gain module |
| 04/18/2000 | US6052395 Pulse laser |
| 04/18/2000 | US6052394 High power pumping device for optical fiber amplification |
| 04/18/2000 | US6052393 Broadband Sagnac Raman amplifiers and cascade lasers |
| 04/18/2000 | US6052392 Laser apparatus having an optical guide formed in a conglomerate form with long and continuous optical fibers |
| 04/18/2000 | US6052220 Optical amplifier and process for amplifying an optical signal propagating in a fiber optic employing an overlay waveguide and stimulated emission |
| 04/18/2000 | US6052219 Wide bandwidth Raman amplifier capable of employing pump energy spectrally overlapping the signal |
| 04/18/2000 | US6052218 High brightness optical parametric amplifier array |
| 04/18/2000 | US6050991 Pulsed-emission laser for use in the medical field |
| 04/18/2000 | CA2176310C Optical fiber amplifier having light surge preventing function |
| 04/15/2000 | CA2280496A1 Endless belt or fabric for use in a process control loop |
| 04/13/2000 | WO2000021167A1 Co2-laser comprising carbon monoxide |
| 04/13/2000 | WO2000021166A1 Optical amplifier |
| 04/13/2000 | WO2000021164A1 Ultra-wide bandwidth fiber based optical amplifier |
| 04/13/2000 | WO2000020907A1 Bidirectional optical amplifier having flat gain |
| 04/13/2000 | WO2000020904A2 Optical channel waveguide amplifier |
| 04/13/2000 | WO2000020883A1 Set of microlasers with different transmission frequencies, imaging device and image projection device using same |
| 04/13/2000 | WO2000020845A1 Contaminant identification and concentration determination by monitoring the intensity of the output of an intracavity laser |
| 04/13/2000 | WO2000020844A1 Contaminant identification and concentration determination by monitoring the wavelength of the output of an intracavity laser |
| 04/13/2000 | CA2346411A1 Ultra-wide bandwidth fiber based optical amplifier |
| 04/13/2000 | CA2346050A1 Contaminant identification and concentration determination by monitoring the intensity of the output of an intracavity laser |
| 04/13/2000 | CA2346015A1 Contaminant identification and concentration determination by monitoring the wavelength of the output of an intracavity laser |
| 04/13/2000 | CA2344361A1 Optical channel waveguide amplifier |
| 04/13/2000 | CA2313034A1 Optical amplifier |
| 04/12/2000 | EP0993089A2 Laser control apparatus, image forming apparatus and copier |
| 04/12/2000 | EP0993086A2 Laser radiation device employing a fiber laser capable of emitting a laser beam including two or more wavelength components |
| 04/12/2000 | EP0992842A1 Device for regenerating a wavelength division multiplexed signal comprising a saturable absorber |
| 04/12/2000 | EP0992824A2 Micro-optical component and method for its fabrication |
| 04/12/2000 | EP0992093A1 Wavelength system for an excimer laser |
| 04/12/2000 | EP0992092A1 Very narrow band laser with unstable resonance cavity |
| 04/12/2000 | EP0992090A2 Resonator array for solid-state lasers |
| 04/12/2000 | EP0991967A1 Single mode optical fibre |
| 04/12/2000 | EP0898800A4 ROOM TEMPERATURE STABLE COLOR CENTER LASER, LiF:F 2??+ ** MATERIAL, AND METHOD OF LASING |
| 04/12/2000 | CN2373924Y Laser diode |
| 04/11/2000 | US6049558 Optical elements for guiding laser light and laser systems comprising same |
| 04/11/2000 | US6049557 High power photolytic iodine laser |
| 04/11/2000 | US6049555 Laser-diode-pumped solid state laser |
| 04/11/2000 | US6049554 External cavity, continuously tunable wavelength source |
| 04/11/2000 | US6049418 Noise figure in optical amplifiers with a split-band architecture |
| 04/11/2000 | US6049417 Wide band optical amplifier |
| 04/11/2000 | US6049416 Erbium-doped fiber amplifiers with desired gain-bandwidth characteristics |
| 04/11/2000 | US6049415 Polarization maintaining fiber lasers and amplifiers |
| 04/11/2000 | US6049414 Temperature-compensated rare earth doped optical waveguide amplifiers |
| 04/11/2000 | US6049413 Optical amplifier having first and second stages and an attenuator controlled based on the gains of the first and second stages |
| 04/11/2000 | US6049057 Laser piercing apparatus for moving web material |
| 04/11/2000 | CA2195259C Optical signal shaping device for complex spectral shaping applications |
| 04/11/2000 | CA2001829C Laser-attenuative optical filter |
| 04/06/2000 | WO2000019569A1 Microchip laser with modulated pumping |
| 04/06/2000 | WO2000019568A1 Line narrowing apparatus with high transparency prism beam expander |
| 04/06/2000 | WO2000019249A1 High-q optical microwave processor using hybrid delay-line filters |
| 04/06/2000 | DE19942455A1 Power control method for gas discharge laser comprises comparing property of laser output beam as function of voltage applied to discharge chamber for optimal, current gas mixture states |
| 04/06/2000 | DE19935035A1 Laser system, useful for deep ultraviolet microlithography of silicon substrates, uses absolute wavelength calibration of constricted laser emission tuned to an absorption line of a photoabsorber mixed with the laser gas |
| 04/06/2000 | DE19845498A1 Cleaning surface of optical element of laser, especially window of laser tube, involves directing laser beam from laser towards surface to be cleaned by deflection |
| 04/06/2000 | CA2341862A1 High-q optical microwave processor using hybrid delay-line filters |
| 04/05/2000 | EP0991154A1 Optical semiconductor amplifier |
| 04/05/2000 | EP0991152A2 An optical filter for use in or with an optical amplifier |
| 04/05/2000 | EP0990286A1 Very narrow band laser |
| 04/05/2000 | EP0990285A1 A laser |
| 04/05/2000 | EP0990284A1 Phase-conjugation laser mirror with four-wave mixing |
| 04/05/2000 | EP0990283A4 Fiber stub end-pumped laser |
| 04/05/2000 | EP0990283A1 Fiber stub end-pumped laser |
| 04/05/2000 | CN2372806Y Lighter with laser |
| 04/05/2000 | CA2282938A1 Device for regenerating a wavelength-multiplexed signal including a saturable absorbent |
| 04/04/2000 | US6047014 Solid state laser and method of manufacturing the same |
| 04/04/2000 | US6047013 Low-phonon-frequency chalcogenide crystalline hosts for rare earth lasers operating beyond three microns |
| 04/04/2000 | US6047012 Microlaser with modulated emission frequency |
| 04/04/2000 | US6047011 Optical harmonic generator |
| 04/04/2000 | US6047010 Second harmonic generator and laser applied units |
| 04/04/2000 | US6047009 Wavelength conversion laser |
| 04/04/2000 | US6047008 Variable wavelength laser light source |
| 04/04/2000 | US6045649 Method for the manufacture of brushware, particularly brushes |
| 04/04/2000 | US6045548 Alexandrite laser system for hair removal and method therefor |
| 04/04/2000 | CA2162811C Wavelength stabilized light source |
| 04/04/2000 | CA2140802C Optical fiber system and method for overcoming the effects of polarization gain anisotropy in a fiber amplifier |