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)
07/1995
07/04/1995US5430572 High power, high gain, low noise, two-stage optical amplifier
07/04/1995US5430270 Method and apparatus for repairing damaged tubes
07/04/1995US5429068 Deposition method for compound semiconductor forming device
06/1995
06/29/1995WO1995017688A1 Eye safe laser imaging system
06/29/1995DE4446970A1 Optical frequency control for multiplex transmission system
06/29/1995DE4446969A1 Light wave frequency control device e.g. for frequency-multiplexed signal transmission system
06/29/1995CA2176358A1 Eye safe laser imaging system
06/28/1995EP0660470A1 Method of and device for stabilization of the emission wavelength of a laser
06/28/1995EP0660468A1 Bidirectional optical amplifier
06/28/1995EP0660161A1 All-optical inverter
06/28/1995EP0659302A1 Device for holding a cylindrical laser tube in a stable radiation direction.
06/28/1995EP0510124B1 Improving material properties
06/27/1995US5428700 Laser stabilization
06/27/1995US5428635 Multi-wavelength tunable laser
06/27/1995US5428633 He-Ne laser driving power supply with means for interrupting feedback control at driving start of the laser
06/27/1995US5428227 Semiconductor light emitting element
06/27/1995CA2080020C A method of forming a refractive index grating in an optical waveguide
06/22/1995DE4445244A1 Passive phase-locked laser pulse source
06/22/1995DE4444844A1 New rare earth-doped glass-ceramic material
06/21/1995EP0658795A1 All-optical flip-flop
06/21/1995EP0594672B1 Gas laser, in particular co2 laser
06/21/1995EP0506753B1 Lossless optical component
06/21/1995EP0398934B1 Acknowledge back pager with frequency control apparatus
06/20/1995US5426662 Laser system selectively operable at two competing wavelengths
06/20/1995US5426661 Pulsed laser discharge stabilization
06/20/1995US5426660 Stripline laser having HF voltage distribution optimized by grounding springs
06/20/1995US5426659 Axial flow type laser oscillator
06/20/1995US5426657 Article comprising a focusing semiconductor laser
06/20/1995US5426656 Laser element doped with rare earth ions, optical amplifier element doped with rare earth ions and rare-earth-ion-doped short-wavelength laser light source apparatus
06/20/1995US5426533 Apparatus for enhancing collimation and improving collection efficiency from high aspect ratio linear energy sources
06/15/1995WO1995016294A1 Coupled multiple output fiber laser
06/14/1995EP0657976A2 Laser resonator with passive Q-switch saturable absorber
06/14/1995EP0657974A2 Polarization independent picosecond fiber laser
06/14/1995EP0657070A1 Depolarized solid-state diode-pumped laser
06/14/1995EP0657020A1 Laser gyro high voltage start module and high voltage pulse generator.
06/14/1995EP0656833A1 Data-recordal using laser beams.
06/14/1995EP0527166B1 Illumination device
06/14/1995CN1103737A Double wavelength selectable-output coherent light source
06/13/1995US5425046 Optical train comprising single glass body having light altering optical element and polarized glass element containing elongated silver halide particles
06/13/1995US5425044 Compact, burst mode, pulsed, high energy, blowdown flow photolytic atomic iodine laser
06/13/1995US5425039 Single-frequency fiber Fabry-Perot micro lasers
06/13/1995US5424771 A video display device using laser generated radiation
06/13/1995CA2038329C Erbium doped fibre optical amplifier
06/13/1995CA2025549C Method and apparatus for modulating semiconductor laser or the like, and system using the same
06/13/1995CA1335887C Neutral sputtered films of metal alloy oxides
06/11/1995CA2137858A1 Characteristic absorption
06/08/1995WO1995015510A2 Beam shaper
06/08/1995DE4341108A1 Two-stage laser system for hard tissue surgery
06/07/1995WO1995018477A1 Gas supplementation method of excimer laser apparatus
06/07/1995EP0656675A1 Laser-diode-pumped solid-state laser using index-guided type multi-transverse mode broad area laser
06/07/1995EP0656155A1 Multi-stage fibre amplifier
06/07/1995EP0656108A1 Laser gyro microprocessor start up control method and apparatus
06/07/1995CN2200240Y Rotor disc for laser modulation
06/06/1995US5422968 Optical demultiplexing system with optical amplifiers
06/06/1995US5422907 Pumped solid-state lasers comprising doped nanocrystal phosphors
06/06/1995US5422906 Laser resonator
06/06/1995US5422903 Surface emitting second harmonic generating device
06/06/1995US5422899 High repetition rate mid-infrared laser
06/06/1995US5422897 Two-stage mono-mode optical fibre laser
06/06/1995US5422754 Optical transmission line relayed with multistage optical amplifiers
06/06/1995US5422456 For tight spaces
06/01/1995WO1995015021A1 Waveguide tunable lasers and processes for the production thereof
05/1995
05/31/1995EP0655605A1 Fiber-optic gyroscope
05/31/1995EP0655170A1 Segmented solid state laser gain media with gradient doping level.
05/31/1995CN1028698C Double-frequency laser system
05/30/1995US5420881 Dye storage and introduction system for changing the frequency of a dye laser
05/30/1995US5420879 Solid state laser
05/30/1995US5420878 Production of laser light with controllable atmospheric absorption
05/30/1995US5420877 Temperature compensation method and apparatus for wave meters and tunable lasers controlled thereby
05/30/1995US5420876 Gadolinium vanadate laser
05/30/1995US5420722 Self-registering microlens for laser diodes
05/30/1995US5420711 Fiber optic link amplitude stabilization circuit
05/30/1995US5420685 For use in a ring laser gyroscope
05/30/1995US5420080 Wavelength up-conversion transparent glass ceramics
05/26/1995WO1995014320A1 Side pumping arrangement
05/24/1995EP0654876A1 Birefrigence-compensated alignment-insensitive frequency doubler
05/24/1995EP0654874A1 Semiconductor laser that generates second harmonic light with attached nonlinear crystal
05/24/1995EP0654873A1 Semiconductor laser that generates second harmonic light by means of a nonlinear crystal in the laser cavity
05/24/1995EP0654872A1 Optical fiber amplifier and optical amplifier repeater
05/24/1995CN1102911A Sealing method and arrangement for turbine compressor and laser emploing same
05/23/1995US5418880 High-power optical fiber amplifier or laser device
05/23/1995US5418810 Laser light beam generating apparatus using an electromagnetic actuator for reflector positioning
05/23/1995US5418809 Modular slab assembly for a face-pumped laser
05/23/1995US5418808 Solid state laser
05/23/1995US5418807 High power, high pulse repetition frequency, compact, pulsed laser diode driver
05/23/1995US5418805 Device for pumping the active medium of a white light laser
05/23/1995US5418804 Controlled spectrum generation laser
05/23/1995US5418803 White light laser technology
05/23/1995US5418802 Frequency tunable waveguide extended cavity laser
05/23/1995US5418801 Metal vapor lasers
05/23/1995US5418800 Reduced linewidth from an electrically coupled two section semiconductor laser
05/23/1995US5418700 Laser light source module and method
05/23/1995US5418641 Fabry-perot optical resonant cavity systems
05/23/1995US5418182 Controlled doping; uniformity, efficiency; light emitting diodes
05/23/1995US5417928 Singlet delta oxygen generator and process
05/23/1995CA1335655C Vaccines and diagnostic assays for haemophilus influenzae
05/18/1995WO1995013639A1 Semiconductor lasers
05/18/1995WO1995013638A1 Hybrid external coupled cavity semiconductor laser device
05/18/1995WO1995013552A2 Optical filter
05/17/1995EP0653854A1 Method and apparatus for reduction of optical communication system impairments