Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › 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
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)
11/1990
11/22/1990EP0398198A1 Phosphate glass useful in high power lasers
11/22/1990EP0398135A2 Optoelectronic device
11/22/1990EP0398004A1 Ring laser gyroscope frames and method for making
11/21/1990CN1047169A Sealing end of artificial sapphire electric gaseous discharging device
11/20/1990US4972429 Achromatic prism beam expander for high magnification and tunable laser using same
11/20/1990US4972428 CO2 waveguide laser
11/20/1990US4972426 Laser provided with an improved securing arrangement for its active medium
11/20/1990US4972425 Laser frequency stabilization
11/20/1990US4972424 Automatic dither stabilization of a laser cavity
11/20/1990US4972423 Method and apparatus for generating ultrashort light pulses
11/20/1990US4972421 Thin-film coated waveguide laser
11/20/1990US4972420 Free electron laser
11/20/1990US4972419 Regenerative ultraviolet driven photocathode
11/20/1990US4972156 Phase conjugate laser with a temporal square pulse
11/20/1990US4971945 Superconducting free electron laser
11/20/1990US4971417 Radiation-hardened optical repeater
11/19/1990WO1990014704A1 Narrow-band oscillation excimer laser
11/19/1990CA2064207A1 Narrow band excimer laser
11/18/1990CA2016509A1 Frequency conversion of optical radiation
11/15/1990WO1990013931A1 Bundled, phase-locked, fibre loop laser oscillator incorporating semiconductor diode arrays
11/15/1990WO1990013930A1 Solid-state laser with pump comprising laser diodes
11/15/1990DE3915151A1 Mirror system for unstable laser resonator - has cooling for laser mirror mounting that also contains a decoupling mirror
11/15/1990DE3914668A1 Argon gas laser with integrated mirrors - has damping elements and/or bracing to counteract vibrations in range 10 to 1,000 Hz
11/15/1990CA2011941A1 Ring laser gyroscope frames and method for making
11/14/1990EP0397626A2 Transverse discharge excited laser head with three electrodes
11/14/1990EP0397569A1 Method for aligning an infrared laser provided with a reflective grating
11/14/1990EP0397298A2 Solid state laser gain medium
11/14/1990EP0396888A1 Gas laser
11/14/1990EP0396675A1 Method of tapering reflectivity of optical elements
11/14/1990EP0246318B1 Amplitude-weighting adaptive laser
11/14/1990CN1010449B Polytetrafluorothylene diffuse reflection pump carity and its making method
11/13/1990US4970546 Exposure control device
11/13/1990US4970383 Laser output power measuring method and apparatus
11/13/1990US4969743 Faraday magnet for the reduction of multi-oscillator bias thermal sensitivity
11/13/1990US4969726 Ring laser gyro path-length-control mechanism
11/13/1990CA2016623A1 Optoelectronic device
11/08/1990DE3916007C1 Gas laser with electrodes extending transversely to gas stream - has stream rectifier in-front of discharge space closing cross=section of channel to form flow resistance
11/08/1990DE3914918A1 Gas laser discharge chamber - has AC electrode covered by dielectric material sleeve with pre-ionisation electrode located between anode and cathode
11/08/1990DE3912607A1 Glass-metal or metal-metal seal - using lead borate-contg. glass-solder
11/07/1990EP0396371A2 Random-access digitally-tuned optical frequency synthesizer
11/07/1990EP0396370A2 Random-access digitally-tuned coherent optical receiver
11/07/1990EP0222811B1 Frequency locking electromagnetic signals
11/07/1990EP0222016B1 High efficiency rf excited gas laser with transverse discharge excitation
11/06/1990US4969169 X-ray lithography system
11/06/1990US4969157 Ring laser gyroscope with hollow cathode having frusto-ellipsoidal surface
11/06/1990US4969156 Laser cavity having an adjustable optical path length extender
11/06/1990US4969155 Integrating laser diode pumped laser apparatus
11/06/1990US4969154 Room-temperature, flashpumped, 2 micron solid state laser with high slope efficiency
11/06/1990US4969153 Laser tube and power supply
11/06/1990US4969150 Tunable, continuous wave, thulium-doped, solid state laser
11/06/1990US4968868 Projection exposure system
11/06/1990US4968136 Ring laser gyro and magnetic mirror therefor
11/01/1990WO1990013161A1 External cavity semiconductor laser
11/01/1990WO1990013159A1 Partially transmitting laser apertures
11/01/1990WO1990013158A1 Close packed, end face, diode pumped, fibre laser bundle, phased-array laser oscillator
11/01/1990WO1990013157A1 High power nd:ylf solid state lasers
11/01/1990WO1990013151A1 Generation of a high-frequency field in a useful volume
11/01/1990WO1990012850A1 Cadmium sulfide membranes
11/01/1990WO1990012619A1 Laser surgery system
11/01/1990WO1990012544A1 Dual frequency laser lithotripter
10/1990
10/31/1990EP0395451A2 Wavelength converting device
10/31/1990EP0395277A1 Optical amplifier gain control
10/31/1990EP0394932A2 Photothermal inspection method, arrangement for its working out, and utilisation of the method
10/31/1990EP0394473A1 System for controlling the amount of substituting laser gas
10/31/1990CN1046641A External cavity semiconductor laser
10/30/1990US4967416 Thulium-doped fluorozirconate fiber laser pumped by a diode laser source
10/30/1990CA1275741C Flowing gas seal enclosure for processing workpiece surface with controlled gasenvironment and intense laser irradiation
10/28/1990WO1990013056A1 Optical beam steering device
10/28/1990CA2051372A1 Optical beam steering device
10/26/1990WO1990013163A1 High gain semiconductor laser amplifier package
10/25/1990DE4007309A1 Excimer laser discharge components - made of or coated with precious metals
10/24/1990EP0393987A2 Ring resonator gyro
10/24/1990EP0393528A1 Raman converters and raman laser systems comprising such converters
10/24/1990EP0393200A1 Nc laser apparatus
10/24/1990EP0393194A1 Laser oscillator
10/24/1990EP0393163A1 Face pumped, looped fibre bundle, phased-array laser oscillator
10/24/1990EP0393085A1 Ring laser gyro frame design resistant to thermal gradient effects.
10/24/1990CN1046414A Laser device made from aluminium-yttrium-neodymium tetraborate monocrystal
10/23/1990US4965807 Adaptable laser apparatus
10/23/1990US4965805 Dither-free actively stabilized laser
10/23/1990US4965803 Room-temperature, laser diode-pumped, q-switched, 2 micron, thulium-doped, solid state laser
10/23/1990US4964720 Exposure apparatus
10/23/1990CA1275484C Readout apparatus for a laser angular rate sensor
10/23/1990CA1275419C Second harmonic generation with schiff bases
10/21/1990WO1990013160A1 Gas laser, in particular co2 laser
10/21/1990CA2049943A1 External cavity semiconductor laser
10/18/1990WO1990012434A1 Electrode for pulsed gas laser, and process for its manufacture
10/18/1990WO1990012287A1 Ring laser gyro
10/18/1990WO1990012286A1 Ring laser gyro
10/18/1990WO1990012279A1 Wavelength stabilization, in particular for interferometric measurement of length
10/18/1990DE4010789A1 High energy laser power conductor failure optical detector
10/18/1990DE3912569A1 Verfahren und vorrichtung zur erzeugung eines elektrischen hochfrequenzfeldes in einem nutzraum Method and device for generation of an electrical high-frequency field in a useful space
10/18/1990CA2014787A1 Cadmium sulfide membranes
10/17/1990EP0392485A1 Gas laser with microwave excitation
10/17/1990EP0392027A1 Gas laser oscillator
10/16/1990US4964137 Method of refining rare gas fluoride excimer laser gas
10/16/1990US4964136 High-frequency discharge pumped laser device
10/16/1990US4964133 Lasers in alkali halides using N and R color-centers
10/16/1990US4964132 Laser arrangement with frequency stabilized and intensity stabilized laser emission
10/16/1990US4964131 Broadband optical fiber laser
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