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)
01/1990
01/02/1990US4890923 Apparatus for superposing two light beams
01/02/1990US4890812 Temperature compensated mount for supporting a ring laser gyro
01/02/1990CA1264192A1 Optically pumped divalent metal halide lasers
01/02/1990CA1264191A1 Ring laser gyroscope curved blade flexure and support ring assembly and method
12/1989
12/28/1989WO1989012923A1 Hybrid laser
12/28/1989WO1989012922A1 Laser harmonic generation employing low-loss external optical resonator
12/28/1989WO1989012921A1 Laser oscillator
12/28/1989WO1989012920A1 Laser oscillator
12/28/1989WO1989012499A1 Directly heated ceramic catalyst support
12/28/1989DE3821580A1 Device for a power laser
12/27/1989EP0348087A2 Method and apparatus for cancelling vibrations
12/27/1989CN1038351A Amplifing optical signals
12/26/1989US4890296 Housing for the output coupler of a laser
12/26/1989US4890295 Laser apparatus
12/26/1989US4890294 Plasma apparatus
12/26/1989US4890291 Laser oscillator control circuit
12/26/1989US4890290 Laser light source with reduced sensitivity to optical feedback effects
12/26/1989US4890289 Fiber coupled diode pumped moving solid state laser
12/26/1989US4890216 High frequency power unit for generating gas lasers
12/26/1989US4890035 Discharge electrode with microstructure surface
12/26/1989US4889140 Apparatus for making perforations in articles of the tobacco processing industry
12/20/1989EP0347213A2 A grating-tuned laser
12/20/1989EP0346951A2 Fiber optic amplifier
12/20/1989EP0346794A1 Diamond laser crystal and method of manufacturing the same
12/20/1989EP0346695A1 Gas laser apparatus
12/20/1989CN2049830U Laser ac source with pre-ionized continuous gas
12/19/1989US4888786 Laser gas composition control arrangement and method
12/19/1989US4888776 Ribbon beam free electron laser
12/14/1989WO1989012244A2 Device for transfering laser irradiation on an optical fibre
12/14/1989WO1989012212A1 Apparatus reducing thermal sensitivity of multioscillator
12/14/1989DE3819836A1 High-frequency excitation in a laser
12/14/1989DE3819687A1 Gas laser arrangement with frequency stabilisation
12/13/1989EP0345957A2 Optical fibre amplifier
12/13/1989EP0345889A1 Device for optical heterodyne detection and integrated optical component suitable for use in such a device
12/13/1989EP0345603A1 Gas laser apparatus
12/13/1989EP0345296A1 Wave guides and material comprising wave guides and its application in screens
12/13/1989CN1037999A Mixed lanthanum-magnesium aluminates, their production process and lasers using these aluminates
12/12/1989US4887275 High-energy laser system
12/12/1989US4887272 Laser oscillator device
12/12/1989US4887270 Continuous wave, frequency doubled solid state laser systems with stabilized output
12/12/1989US4886333 Fiber laser sensor
12/06/1989EP0344210A1 Getter assembly.
12/05/1989US4885754 High frequency discharge excitation laser device
12/05/1989US4885753 Semiconductor laser device of variable wavelength type
12/05/1989US4885752 Crystal modulated laser with improved resonator
12/05/1989CA1263733A1 Frequency stabilized pulse laser
12/05/1989CA1263732A1 Recessed helical electrode structure in a gas laser
12/05/1989CA1263730A1 Frequency locking electromagnetic signals
11/1989
11/30/1989WO1989011744A1 Laser
11/30/1989WO1989011743A1 Optical fiber tap for monitoring laser input power
11/30/1989WO1989011742A1 Butt-coupled single transverse mode diode pumped laser
11/30/1989WO1989011632A1 Skewed axis inertial sensor assembly
11/30/1989DE3818129A1 Device for limiting laser beams
11/29/1989EP0344027A1 Device for generating, starting from a single short duration light pulse, a train of synchronous light pulses and apparatus for measuring the temporal shape of a single light pulse using such a device
11/29/1989EP0343795A1 Metal vapour laser device
11/29/1989EP0343174A1 Method and apparatus for laser processing of materials.
11/29/1989CN1037550A Neutral sputtered films of metal alloy oxides
11/28/1989US4884283 Ring laser gyroscope mirror orientation system and method
11/28/1989US4884282 Coupled waveguide laser array
11/28/1989US4884281 Low cost/power visible light solid-state laser
11/28/1989US4884277 Frequency conversion of optical radiation
11/28/1989US4884276 Optical feedback control in the frequency conversion of laser diode radiation
11/28/1989US4884044 Optical modulators
11/28/1989CA1263465A1 Gas injection laser generator and method of operation of said generator
11/23/1989EP0342988A1 Flowing gas laser discharge tube structure
11/23/1989EP0342981A1 Laser
11/21/1989US4882735 Modular UV preionization package for a CO2 laser
11/21/1989US4882594 Method for making a smooth, uniform image of a laser diode array
11/21/1989US4881791 Optical device
11/21/1989US4881790 Optical communications system comprising raman amplification means
11/16/1989WO1989011172A1 Looped, phased array laser oscillator
11/16/1989DE3806797A1 Radiation source and method for producing directional photons and X-radiation by the use of stimulated emission
11/16/1989DE3348179C2 Rapid-flow, axial-flow gas-transport laser
11/15/1989EP0341315A1 Method of stabilizing laser wavelength and laser device with stabilized wavelength
11/15/1989EP0341259A1 Gas laser
11/14/1989US4881234 Nitrogen-free lithim doped potassium iodide crystal
11/14/1989US4881233 Laser with improved cooling system
11/14/1989US4881231 Frequency-stabilized line-narrowed excimer laser source system for high resolution lithography
11/14/1989US4880613 Lasers, electron beams, annealing
11/14/1989US4880295 Optical device enhancement method and apparatus by control of stimulated brillouin scattering gain
11/14/1989CA1262956A1 Ultra-narrow bandwidth optical thin film interference coatings for single wave-length lasers
11/09/1989DE3836000A1 Pulse-generating network for the excitation circuit of gas lasers, especially excimer lasers
11/08/1989EP0341055A1 Velocity control system using piezoelectric transducers
11/08/1989CN1037055A Window and lens of high power infrared laser die
11/08/1989CN1005747B Method of realizing laser q-switch and mode-locking simultaneously in the same photoacoustic device and travelling-stationary wave double-function photoacoustic device
11/07/1989US4879761 Bistable optically clocked optical signal regenerator
11/07/1989US4879723 Intracavity generation of coherent optical radiation of optical mixing
11/07/1989US4879722 Generation of coherent optical radiation by optical mixing
11/07/1989US4879721 Phase locked laser array
11/07/1989US4879490 Gas discharge devices wherein electrons are injected into a high field region
11/07/1989US4879334 Organopolyarylsilanes, process for manufacturing the same and fibers comprising the same
11/07/1989US4878866 Thermionic cathode structure
11/07/1989EP0272305A4 Apparatus and method for forming an integral object from laminations.
11/07/1989CA1262767A1 Lasers
11/02/1989WO1989010657A1 Device and process for generating high-output, high-voltage pulses, in particular for partial-discharge gas lasers
11/02/1989WO1989010647A1 Device for generating laser pulses of variable duration
11/02/1989WO1989010646A1 Excitation circuit for gas lasers with a multichannel pseudo-spark switch and use of said circuit
11/02/1989WO1989010645A1 Pre-ionization device, in particular for x-ray pre-ionization in discharge-pumped gas lasers, in particular excimer lasers
11/02/1989WO1989010644A1 Device for pre-ionization in discharge-pumped gas lasers, in particular for x-ray pre-ionization
11/02/1989WO1989010643A1 Acousto-electromagnetic hologistic resonant system
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