Patents
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)
12/1990
12/27/1990EP0213182B1 Multiple ring laser gyro power supply
12/27/1990EP0192770B1 A system for reducing the sensitivity of a ring laser gyro to changes in magnetic field
12/27/1990CA1278365C Synchronously pumped ring fiber raman laser
12/26/1990CN2068287U Plain film diversion type solid laser pump arrangement lamp water cooled electrode interface
12/26/1990CN1048133A Device and method for amplifying optical signals
12/26/1990CA2019862A1 Method and apparatus for in situ cleaning of excimer laser optics
12/25/1990US4980896 Laser beam
12/25/1990US4980894 Ignitor for the preionization of a gas-discharge laser
12/19/1990EP0403340A1 High power MOPA laser
12/19/1990EP0403132A2 Monocarbamate diols, polymers derived from them, and NLO-active materials therefrom
12/19/1990EP0402842A2 Substance vaporizing apparatus
12/19/1990EP0402767A2 Method and device for optical signal amplification
12/19/1990EP0402706A1 Ring laser gyroscope
12/19/1990EP0402570A2 Narrow-band laser apparatus
12/19/1990EP0402417A1 Device for pre-ionization in discharge-pumped gas lasers, in particular for x-ray pre-ionization
12/18/1990US4979180 Modular interchangeable laser system
12/18/1990US4979179 Divided hollow cathode laser
12/18/1990US4979178 Tunable narrow-linewidth semiconductor laser
12/18/1990US4979170 Alternating sequential half duplex communication system
12/18/1990US4978929 Oscillator for supplying a gas discharge device
12/18/1990US4978830 Laser trimming system for semiconductor integrated circuit chip packages
12/18/1990US4978197 Beam-combining laser beam source device
12/18/1990CA1278023C Monitoring and controlling radiation source stability
12/15/1990WO1990015699A1 Method of preventing erroneous projection of laser beam in a laser robot
12/15/1990CA2032524A1 Method of preventing mis-emission of a laser beam in a laser robot
12/14/1990CA2016849A1 Monocarbamate diols, polymers derived from them and nlo-active materials therefrom
12/13/1990WO1990015462A1 Diode pumped, fibre bundle coupled laser oscillator, phase-locked laser amplifier system
12/13/1990WO1990015460A1 Frequency-doubled laser
12/13/1990WO1990015458A1 Efficient, double ended, fibre bundle coupled diode pumped solid state slab laser
12/13/1990WO1990015457A1 Laser fibrescope
12/13/1990WO1990015456A1 Discharge tube for laser generator
12/13/1990WO1990015441A1 Laser dye liquids, laser dye instruments and methods
12/12/1990EP0402298A2 A system for marking moving objects by laser beams
12/12/1990EP0402249A1 Wavelength stabilized semiconductor laser
12/12/1990EP0402017A2 Fiber optic apparatus for use with medical lasers
12/12/1990EP0401801A1 Piezoelectric crystal-powered laser ignition device
12/12/1990EP0401672A1 Ring laser gyroscope
12/12/1990EP0401671A1 Ring laser gyroscope with rotational vibration device
12/12/1990CN1047765A Device of lasers made of aluminium-neodymium tetraborate monocrystal
12/12/1990CN1047764A Co2 laser of dipulse lateral exciting
12/11/1990US4977620 Optical homodyne detection
12/11/1990US4977575 Adjustable aperture comprising a shape memory alloy and laser using same
12/11/1990US4977574 Laser oscillator
12/11/1990US4977573 Mixture of halogen, rare earth, and buffer gases
12/11/1990US4977571 Dye laser solution circulation system
12/11/1990US4977566 Purged cavity solid state tunable laser
12/11/1990US4977565 Method and apparatus for stabilizing oscillation frequency separation among plural laser devices
12/11/1990US4977564 Controller for semiconductor laser light source
12/11/1990US4977563 Laser apparatus
12/11/1990US4977562 Method and apparatus for laser frequency stabilization
12/11/1990US4977560 Near-perfect diffraction grating rhomb
12/11/1990US4976765 Using heat devitrifiable frit
12/11/1990US4976527 Beam-combining laser beam source device
12/11/1990US4976513 Tunable wavelength filter
12/11/1990CA1277782C Apparatus and method for generating soft x-ray lasing action in a confined plasma column through the use of a picosecond laser
12/11/1990CA1277757C Optical resonator and laser
12/11/1990CA1277701C Method and apparatus for stabilizing the spectral characteristics of a semiconductor laser diode
12/11/1990CA1277525C Movable member mounting
12/06/1990WO1990015459A1 Precision temperature sensor
12/06/1990DE3927157C1 Pulse laser range finder - has mechanical-optical Q=switch resolving separate pulses or pulse series combining by collimating lens and reflector
12/06/1990DE3918201A1 Carbon di:oxide laser - with inner discharged tube and coaxial outer plastic coolant tube
12/06/1990DE3917771A1 High frequency gas laser beam - improves uniformity of plasma discharge in channel and increases power output
12/06/1990CA2033329A1 Precision temperature sensor
12/05/1990EP0401066A1 Permanent magnet helical wiggler for free-electron lasers
12/05/1990EP0401064A1 Power laser pumped by laser diodes
12/05/1990EP0401054A2 High efficiency mode-matched solid-state laser with transverse pumping and cascaded amplifier stages
12/05/1990EP0400830A2 A laser
12/05/1990EP0400352A1 Gas laser
12/05/1990EP0400070A1 Laser-machining polymers
12/05/1990EP0366756A4 Broadband optical fiber laser
12/04/1990US4975925 Support rotary fans; axial compressors; noncomtaminating
12/04/1990US4975924 Metallic vapor laser apparatus
12/04/1990US4975921 Integrated prepulse circuits for efficient excitation of gas lasers
12/04/1990US4975920 RF discharge excitation laser apparatus
12/04/1990US4975919 Laser wavelength control apparatus
12/04/1990US4975918 Tunable laser
12/04/1990US4975917 Source of coherent short wavelength radiation
12/04/1990CA1277405C Optical resonating device
12/04/1990CA1277404C Apparatus comprising raman-active optical fiber
11/1990
11/28/1990EP0399873A1 Adjustable support for a gas laser tube and laser apparatus fitted-out with such a support
11/28/1990EP0399660A1 Hot tip device with optical diagnostic capability
11/28/1990EP0399493A2 CO2-Waveguide laser
11/28/1990EP0399471A2 Metallic vapor laser apparatus
11/28/1990EP0398995A1 Plasma x-ray tube, in particular for x-ray preionizing of gas lasers, and use as electron gun.
11/28/1990EP0398991A1 Optical systems and methods
11/28/1990EP0398934A1 Acknowledge back pager with frequency control apparatus.
11/28/1990EP0221946B1 Method and apparatus for generating coherent radiation
11/27/1990US4974230 Tm,Ho:YLF laser end-pumped by a semiconductor diode laser array
11/27/1990US4974229 High-frequency discharge-exciting laser device
11/27/1990US4974228 Magnetic field profile for improved ion laser performance
11/27/1990US4973429 Organic materials with non-linear optical properties
11/27/1990US4973161 Ring laser gyroscopes
11/27/1990US4973157 Fluid cell for Raman laser providing for fluid flow across the beam path
11/27/1990CA1277018C High repetition rate laser source having high power
11/27/1990CA1276781C Positioning optical components and waveguides
11/24/1990WO1990014582A1 Wavelength detector
11/24/1990CA2033194A1 Wavelength detecting apparatus
11/24/1990CA2017367A1 Hot tip device with optical diagnostic capability
11/22/1990EP0398570A2 Frequency conversion of optical radiation
11/22/1990EP0398330A2 Discharge exciting pulse laser device