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)
08/1992
08/29/1992CA2103670A1 Laser systems
08/27/1992DE4105717A1 Laser Laser
08/27/1992DE4105677A1 Transversal excited fibre=optic laser - has cylindrical profile with transmission channel and cooling channels with outer surface metal-coated
08/26/1992EP0499659A1 Surface emitting semiconductor laser array structure with vertical resonator without substrate
08/26/1992EP0287677B1 High-frequency electric discharge excited laser
08/26/1992CN1063970A Hihg-power low-mode dynamic laser resonant-cavity
08/25/1992US5142660 For producing superfluorescent light by optical pumping; for sensing loops of fiber optic rotation sensors, efficiency
08/25/1992US5142645 Method and apparatus for generating Fraunhofer line laser source using stimulated Raman scattering
08/25/1992US5142548 Broadband tuning and laser line narrowing utilizing birefringent laser hosts
08/25/1992US5142547 Device for pre-ionization in discharge-pumped gas lasers, in particular for x-ray pre-ionization
08/25/1992US5142545 High energy output over wide wavlength range; durability
08/25/1992US5142544 Method and apparatus for controlling the power supply of a laser operating in a pulse mode
08/25/1992US5142543 Method and system for controlling narrow-band oscillation excimer laser
08/25/1992US5142542 Signal-resonant intracavity optical frequency mixing
08/25/1992US5142408 Optical amplifier
08/25/1992US5142120 Contact cooling of a projection mask
08/25/1992US5141549 Method of fabricating rare earth doped planar optical waveguide for integrated optical circuit
08/25/1992US5141316 Optical-fiber measuring device, gyrometer, central navigation and stabilizing system
08/25/1992US5141315 Ring resonator gyro
08/25/1992CA1306793C Fluorozirconate fiber laser
08/20/1992WO1992014176A1 Rare-earth-doped lithium niobate waveguide structures
08/19/1992EP0499396A2 Method and device for preconditioning a laser having a solid state gain medium
08/19/1992EP0499388A2 Bidirectional optical fibre communication link incorporating an amplifier
08/19/1992EP0499272A2 Nonlinear optical element and uses thereof
08/19/1992EP0499262A2 Multiple focus backward Raman laser apparatus
08/19/1992EP0499066A1 Optical fiber amplifier
08/19/1992EP0498945A2 Fiber optic coupling filter and amplifier
08/19/1992EP0381726A4 Skewed axis inertial sensor assembly
08/19/1992EP0310670B1 Abnormal condition detector in a laser oscillator conduit system
08/19/1992EP0287676B1 Rf power source apparatus
08/19/1992CN1063779A Wide-band ultra-short pulse laser system
08/19/1992CN1063778A Wide-band turning ultra-short pulse laser system
08/18/1992US5140658 Optical amplifiers involving single crystal waveguides
08/18/1992US5140655 Optical star coupler utilizing fiber amplifier technology
08/18/1992US5140607 Side-pumped laser with angled diode pumps
08/18/1992US5140606 RF excited CO2 slab waveguide laser
08/18/1992US5140604 Mixed strontium and lanthanide oxides and a laser using monocrystals of these oxides
08/18/1992US5140602 Pulsed power modulator circuit for a Q-switched chemical laser
08/18/1992US5140601 Output control apparatus of laser unit and adjusting method thereof
08/18/1992US5140600 Method of controlling the total energy amount of a plurality of laser pulses
08/18/1992US5140599 Optical oscillator sweeper
08/18/1992US5140598 High efficiency, low noise
08/18/1992US5140456 Low noise high power optical fiber amplifier
08/18/1992US5140149 Optical apparatus using wavelength selective photocoupler
08/18/1992US5139609 Apparatus and method for longitudinal diode bar pumping of solid state lasers
08/18/1992CA1306533C Optical fibre amplifier
08/18/1992CA1306408C Congruently melting complex oxides
08/15/1992CA2056953A1 Fiber optic coupling filer and amplifier
08/13/1992WO1992014287A1 External cavity semiconductor laser system
08/13/1992DE4102409A1 Laser with acoustic wave mirror - produced by laser radiation, mirror being used as switch and phase conjugator
08/13/1992CA2103807A1 External cavity semiconductor laser system
08/12/1992EP0498313A1 Optical functioning glass and apparatus using the same
08/12/1992EP0498236A2 Method of producing gyrolaser resonator-blocks
08/12/1992EP0497965A1 Very high voltage and high current pulse generator
08/12/1992EP0294492B1 High-frequency discharge-excited laser unit
08/12/1992EP0268670B1 Method of providing continuous lasing operation
08/12/1992EP0267942B1 Upconversion pumped lasers
08/12/1992EP0266395B1 Corrugated reflector apparatus and method for free electron lasers
08/12/1992CN1017857B Optical fiber telecommunication lines with a amplifier
08/11/1992US5138628 Power laser with active mirror
08/11/1992US5138627 Preionizationd device, in particular for x-ray preionization in discharge-pumped gas lasers, in particular excimer lasers
08/11/1992US5138622 Apparatus and method for generating high-power, high-voltage pulses, particularly for te gas lasers
08/11/1992US5138621 Pumping light source drive system for an optical amplifier
08/11/1992US5138491 Beam-combining laser beam source device
08/11/1992US5138483 Low-noise active fiber optical amplifier with pumping power reflector
08/11/1992US5137358 Ring laser gyro having two magnetic mirrors
08/09/1992WO1992014288A1 Pulse laser device
08/09/1992WO1992014285A1 Transverse discharge pumping type pulse laser oscillating device
08/06/1992DE4103109A1 Long-life ion laser sealed around annular groove - has metallic or ceramic sleeve covering gap between correspondingly profiled ends of tubular sections butted together
08/06/1992DE4102125A1 Transverse flow gas laser - has sub-divided discharge channel formed by identical modules with slotted ends and sidewalls for gas circulation and beam propagation respectively
08/05/1992EP0497684A1 Electric power supply for laser
08/05/1992EP0497666A1 Waveguide electro-optic device
08/05/1992EP0497491A2 Gain stabilized fiber amplifier
08/05/1992EP0497260A2 Laser device
08/05/1992EP0497246A2 Optical fiber amplifier
08/05/1992EP0497243A2 A pump system for waveguide lasers or amplifiers
08/05/1992EP0497180A2 Laser ablation damascene process
08/05/1992EP0497141A2 Optical isolator
08/05/1992EP0497140A1 Optical amplifier
08/05/1992EP0496955A2 Pulsed gas laser, gas laser amplifier or wavelength converter operated at ambient pressure
08/05/1992CN2112218U Eliminating self-vibrating pulsive laser dye poll
08/05/1992CN1063380A Laser electric power supply
08/05/1992CA2035669A1 Self focussing optical laser
08/04/1992US5136670 Method for optical switching and an optical switch
08/04/1992US5136608 Gas ring-laser
08/04/1992US5136606 Discharge tube for a gas laser device
08/04/1992US5136605 Apparatus for purifying laser gas
08/04/1992US5136600 Stabilization apparatus and method for an sfs
08/04/1992US5136599 Apparatus and method for increasing the bandwidth of a laser beam
08/04/1992US5136598 Modulated high-power optical source
08/04/1992US5136597 Poynting vector walk-off compensation in type ii phasematching
08/04/1992US5136596 Broadly tunable, high repetition rate solid state and dye lasers and uses thereof
08/04/1992US5136420 Optical fiber amplifier
08/04/1992US5136353 Optical switch
08/04/1992US5136005 Composition and method of preparation of solid state dye laser rods
07/1992
07/31/1992CA2059715A1 Pump system for waveguide lasers or amplifiers
07/31/1992CA2056912A1 Atmospheric pulsed gas laser apparatus
07/29/1992EP0496632A1 Optical modulator
07/29/1992EP0496603A1 Sensitized erbium fiber optical amplifier
07/29/1992EP0496225A2 Gas laser with longitudinal flow