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)
10/1990
10/16/1990US4963832 Erbium-doped fiber amplifier coupling device
10/16/1990US4963755 Method for enhancement of useful luminescence from vacancy defects in refractory oxides for tunable lasers
10/16/1990US4963026 Cavity length control apparatus for a multi-oscillator
10/16/1990US4962995 Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources
10/13/1990WO1990012435A1 Ring laser
10/13/1990CA2051416A1 Ring laser
10/13/1990CA2010154A1 Fiber optic safety system
10/11/1990DE4010581A1 Improved operating life time of pulsed gas-laser electrodes - by use of electrodes with dissimilar surface layer to have good thermal and electrical conductivity with high emission rate
10/11/1990DE3911473A1 Wellenlaengenstabilisierung Wellenlaengenstabilisierung
10/10/1990EP0390926A1 Laser beam bender
10/10/1990EP0390874A1 Hollow cathode glow discharge ring laser block and electrode structure for ring laser angular rate sensors.
10/10/1990CN2063704U Metal vapour laser
10/09/1990US4962506 Scatter symmetrization in multi-mode ring laser gyros
10/09/1990US4962505 Solid-state laser device having a high conversion efficiency between electric power and output power and a lamp device therefor
10/09/1990US4962504 Mixed lanthanide-magnesium aluminates and lasers using monocrystals of these aluminates
10/09/1990US4962503 Wavelength stabilization for a pulsed tunable laser
10/09/1990US4962067 Eye-safe wavelengths
10/04/1990WO1990011485A1 Light-generation device
10/04/1990DE4009919A1 Base module for laser gyro - has optical path provided by capillary tubes arranged in regular polygon
10/04/1990DE4009728A1 Laser gyro base body mfg. method - has two partial bodies contg. channels forming polygonal optical path with mirror recesses along longitudinal axes
10/04/1990DE3910207A1 Luminous pointer for demonstration purposes
10/04/1990DE3910137A1 Gas laser arrangement
10/03/1990EP0390663A1 Deflection unit for high power laser beams
10/03/1990EP0390662A1 High power laser with output direction control
10/03/1990EP0390614A1 Distributed feedback laser
10/03/1990EP0390534A2 Laser beam deflection apparatus
10/03/1990EP0390525A2 An optical pumping-type solid-state laser apparatus with a semiconductor laser device
10/03/1990EP0390313A2 A semiconductor laser device
10/03/1990EP0390013A2 Laser system
10/03/1990EP0389633A1 Discharge tube for a gas laser device
10/03/1990EP0298992B1 Laser beam transport apparatus
10/03/1990EP0259439B1 Efficient phase conjugate laser
10/03/1990EP0253850B1 Auto-boresight technique for self-aligning phase conjugate laser
10/02/1990US4961202 Single line laser and method
10/02/1990US4961201 Waveguide configuration
10/02/1990US4961200 Process and generator for generating atomic iodine in the fundamental state, and iodine chemical laser employing such
10/02/1990US4961199 Methods for reducing the loss of metal in a metal vapor laser
10/02/1990US4961195 Systems for controlling the intensity variations in a laser beam and for frequency conversion thereof
10/02/1990US4961001 Method for compensating for environmental parameters on the imaging characteristics of an optical system
10/02/1990CA1274753A1 Process for enhancing ti:a1.sub.20.sub.3 tunable laser crystal fluorescence by annealing
10/01/1990WO1990012436A1 Distributed feedback lasers
09/1990
09/26/1990EP0388653A2 Solid-state laser
09/26/1990EP0388455A1 Dental laser assembly.
09/26/1990EP0388402A1 Pentagonal ring laser gyro.
09/26/1990EP0232319A4 Optical communications systems
09/25/1990US4959840 Compact excimer laser including an electrode mounted in insulating relationship to wall of the laser
09/25/1990US4959838 Method and circuit for shaping laser output pulses
09/25/1990US4959837 Doped optical fiber laser amplifier
09/25/1990US4958908 Bandwidth-preserving brillouin phase conjugate mirror and method
09/25/1990US4958794 Dual purpose alignment bracket for use with laser or optical scope
09/22/1990CA2012619A1 Automatic preionization pulse laser
09/20/1990WO1990010962A1 Nc laser
09/20/1990WO1990010961A1 Nc laser
09/20/1990WO1990010889A1 Bandwidth-preserving brillouin phase conjugate mirror and method
09/20/1990WO1990010519A1 Laser output control system
09/20/1990DE4008138A1 Hochdruck-gaslaser High-pressure gas laser
09/19/1990EP0388009A1 Method for forming via holes in polymer materials
09/19/1990EP0387740A1 Optical fiber for frequency conversion
09/19/1990EP0387344A1 Very high temperature heating device.
09/19/1990EP0387248A1 Laser and process for production of a laser beam
09/18/1990US4958356 Hydrogen chloride gas generators
09/18/1990US4958354 Apparatus for stabilizing the intensity of light
09/13/1990DE3907189A1 Gas laser arrangement
09/12/1990EP0387075A1 Laser amplifier
09/12/1990EP0387014A1 Reducing aberrations in radiation beams
09/12/1990EP0386797A2 Optical apparatus using wavelength selective photocoupler
09/12/1990EP0386710A1 Vacuum switch apparatus
09/12/1990EP0252784B1 Mixed lanthanium-magnesium-gallates and lasers using these gallates
09/11/1990US4956848 Gas laser, titanium oxide coating
09/11/1990US4956847 Electrodes for a gas laser apparatus and method of making the same
09/11/1990US4956846 Gas laser device
09/11/1990US4956845 Metal vapor laser having means to extend lifetime of tube
09/11/1990US4956843 Simultaneous generation of laser radiation at two different frequencies
09/11/1990US4955725 Laser oscillator/amplifier with compensation for stress birefringence
09/11/1990US4955685 Active fiber for optical signal transmission
09/11/1990CA1274012A1 Laser with hybrid cathode
09/09/1990WO1990010964A1 Laser amplifier
09/09/1990CA2047671A1 Laser amplifier
09/07/1990WO1990010328A1 Turboblower for lasers and laser oscillator
09/05/1990EP0385697A1 Apparatus for and method of generating a comb of optical teeth of different wavelengths
09/05/1990EP0384933A1 Gas laser and method of producing same
09/05/1990CN1045200A 微片型激光器 Microchip laser
09/04/1990US4955045 Plasma X-ray tube, in particular for X-ray preionization of gas lasers and method for produicng X-radiation with such an X-ray tube
09/04/1990US4955035 Microwave-pumped, high-pressure, gas-discharge laser
09/04/1990US4955034 Planar solid state laser resonator
09/04/1990US4955033 Flow of halogen gas over metal surface producing halides
09/04/1990US4955028 Wavelength tunable composite cavity laser
09/04/1990US4955027 Wavelength locked laser light source
09/04/1990US4955026 Frequency locking radiation beam
09/04/1990US4955025 Silica resonance cavity, diode laser pump
09/04/1990US4953950 Apparatus for producing ultra-high power ultra-high density laser beam
09/03/1990WO1990010326A1 Apparatus for and method of generating a comb of optical teeth of different wavelengths
08/1990
08/30/1990DE3905549A1 Gas-discharge arrangement
08/29/1990EP0384849A2 A semiconductor light emitting system
08/29/1990EP0384738A1 High efficiency mode-matched solid state laser with transverse pumping
08/29/1990EP0384117A2 Simplified multi-cavity tunable optical filter using voltage-dependent refractive index
08/29/1990EP0383943A1 Light emitting device and method of producing the same
08/29/1990EP0383942A1 Laser beam relay unit
08/29/1990EP0383841A1 Four-pass phase conjugate optical amplifier system and method.
08/29/1990EP0214288B1 Arrangement and method for fast switching between different wavelengths in a laser
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