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)
07/1989
07/04/1989US4845716 Arrangement for the wavelength-selective internal intensity modulation and radiation pulse generation of high power CO2 lasers
07/04/1989US4845365 Process and apparatus for producing electrons using a field coupling and the photoelectric effect
07/04/1989US4844615 Method and system for correcting random walk errors induced by rate reversals in a dithered ring laser gyroscope
06/1989
06/29/1989WO1989006058A1 Gas lasers
06/29/1989WO1989005962A1 Hollow cathode glow discharge ring laser block and electrode structure for ring laser angular rate sensors
06/28/1989EP0321792A2 Microwave resonant cavity
06/28/1989EP0321518A1 Electrodes for transversely excited gas lasers
06/28/1989EP0321511A1 Use of a catalyst for the regeneration of carbon dioxide in a carbon dioxide laser
06/28/1989CN1004640B Preparation of mgo.lao.al2o3.ndo single crystal
06/27/1989US4843610 Semiconductor laser apparatus
06/27/1989US4842409 Monomode optical fiber ring interferometric device with semiconductor diode as light energy emission reception/amplification means
06/27/1989US4842390 Fiber optic device for angioplasty
06/27/1989CA1256546A1 Support for ring laser gyro
06/21/1989EP0321048A1 High power illuminating device for a camera
06/21/1989EP0320990A2 Optical fiber lasers and amplifiers
06/21/1989EP0320665A2 A fiber optic laser
06/21/1989EP0320573A1 Alignment tool for laser beam delivery systems and method of alignment
06/20/1989US4841541 Coupling of ring lasers
06/20/1989US4841540 Gas laser arrangement
06/20/1989US4841539 Gas laser discharge tube with ceramic wafers and cooling wafers in a stack
06/20/1989US4841538 CO2 gas laser device
06/20/1989US4841537 Medium for gas laser excited by ionizing particles
06/20/1989US4841530 Single crystal; tunable
06/20/1989US4841529 System for generating a stable optical frequency
06/20/1989US4841528 Frequency doubled, cavity dumped feedback laser
06/20/1989US4840483 Alignment tool for laser beam delivery systems and method of alignment
06/20/1989US4840456 Methods of and apparatus for generation of radio frequency signals
06/20/1989US4840442 Multidielectric mirror for carbon dioxide laser providing the mid infrared, in high reflectance with good protection against mechanical attack
06/20/1989CA1255947A1 Optical transmission filter
06/15/1989WO1989005467A1 Light sources
06/15/1989WO1989005466A1 Stabilized laser fiber launcher
06/14/1989EP0320386A1 Device for distributing laser beams used in a selective reaction in an isotopic separation process by laser
06/14/1989EP0320102A1 Ring laser gyroscopes
06/14/1989EP0320101A1 Ring laser gyroscopes
06/14/1989EP0319898A1 Metal vapor laser apparatus
06/14/1989EP0319582A1 Laser scanner
06/13/1989US4839903 Ring laser gyroscopes
06/13/1989US4839902 Laser with controlled geometry fluorescent converter
06/13/1989US4839898 Optical resonating device
06/13/1989US4839614 Frequency referencing system and method
06/13/1989US4839554 Apparatus for forming an electron beam sheet
06/13/1989US4839328 Catalyst material and a process for its preparation
06/13/1989US4839009 Doping with hydroxyl ions
06/13/1989CA1255743A1 Laser control apparatus and method for frequency offset phase locking and the minimizing of retroreflection effects
06/07/1989EP0319332A2 Chromium-doped forsterite laser system
06/07/1989EP0319230A1 Light sources
06/07/1989EP0319195A2 Laser arrangements
06/07/1989EP0319174A2 Control circuit for the local oscillator of an optical homodyne or heterodyne receiver of a phase shift keying system
06/07/1989EP0172910B1 Magnetic laser control
06/07/1989EP0075581B1 A plasma-recombination laser having high power output
06/06/1989US4837789 High frequency discharge excitation laser apparatus
06/06/1989US4837774 Common mirror triaxial ring laser gyroscope having a single internal cathode
06/06/1989US4837773 Discharge excitation type short pulse laser
06/06/1989US4837772 Electrically self-oscillating, rf-excited gas laser
06/06/1989US4837771 High-efficiency mode-matched solid-state laser with transverse pumping and cascaded amplifier stages
06/06/1989US4837770 Flowing gas CO2 laser
06/06/1989US4837769 Phase conjugated slab laser designator
06/06/1989US4836953 Heating titanium doped alumina crystal with hydrogen gas in inert atmosphere
06/06/1989US4836675 Apparatus and method for detecting rotation rate and direction of rotation and providing cavity length control in multioscillator ring laser gyroscopes
06/06/1989CA1255381A1 High performance laser and method of making same
06/06/1989CA1255380A1 Laser cathode
06/01/1989WO1989005048A1 Laser
06/01/1989DE3836340A1 Q-switched laser resonator for polarised light
05/1989
05/31/1989EP0318199A2 Generation of coherent optical radiation by optical mixing
05/31/1989EP0317722A2 Gas laser with discharge tube
05/31/1989EP0317632A1 Gas laser device
05/31/1989CN2038678U High speed laser diode assembly
05/30/1989US4835793 Ceramic laser tube
05/30/1989US4835787 Fusion pumped light source
05/30/1989US4835786 Unitary solid-state laser
05/30/1989US4835785 Isolator for laser optical assemblies
05/30/1989US4835784 Gas transport laser
05/30/1989US4835778 Subpicosecond fiber laser
05/30/1989US4834857 Neutral sputtered films of metal alloy oxides
05/30/1989US4834474 Optical systems using volume holographic elements to provide arbitrary space-time characteristics, including frequency-and/or spatially-dependent delay lines, chirped pulse compressors, pulse hirpers, pulse shapers, and laser resonators
05/24/1989EP0316664A1 Solid-state laser
05/24/1989DE3738690A1 Switched-mode regulator for an argon laser
05/23/1989US4833686 Electrodes for transversely excited gas lasers
05/23/1989US4833685 Laser cavity optically pumped and having a carrying tube
05/23/1989US4833683 Coherent coupling of optical gain elements
05/23/1989US4833682 Moving slab laser
05/23/1989US4833681 Semiconductor laser wavelength stabilizer
05/23/1989US4833333 Solid state laser Q-switch having radial color center distribution
05/23/1989CA1254416A1 Adscititious resonator
05/18/1989WO1989004502A1 Fiber laser sensor
05/18/1989WO1989004460A1 Pentagonal ring laser gyro
05/18/1989DE3836377A1 Laser arrangement consisting of an optically stable resonator having an integrated coupling into an optical waveguide
05/18/1989DE3736881A1 Mode-coupled laser
05/17/1989EP0316194A1 A tunable wavelength filter
05/17/1989EP0315696A1 Laser oscillator
05/17/1989EP0315695A1 Laser oscillator
05/17/1989EP0315691A1 Laser oszillator
05/16/1989US4831632 Method and apparatus for optically aligning a laser cavity
05/16/1989US4831627 Energy generator
05/16/1989US4831333 Laser beam steering apparatus
05/16/1989US4830844 Tin oxide, palladium, platinum chromium
05/10/1989EP0315031A1 Laser tube for polarised beam
05/10/1989EP0315030A1 Laser tube
05/10/1989EP0314810A1 Laser oscillator and method of providing laser gas to said laser oscillator
05/10/1989EP0314803A1 Numerical controller for laser