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)
06/1998
06/30/1998CA2220225A1 Optical switched distributor
06/30/1998CA2092589C Article comprising an optical fiber laser
06/25/1998WO1998027673A1 Distributed fiber amplifier for solitons
06/25/1998WO1998027628A1 Micro-laser with transmission frequency modulated by means of a piezoelectric or electro-optic element
06/25/1998WO1998027450A1 Short wavelength pulsed laser scanner
06/25/1998DE19653821A1 Optical comb generator for use in laser systems
06/25/1998CA2273367A1 Distributed fiber amplifier for solitons
06/25/1998CA2244712A1 Short wavelength pulsed laser scanner
06/24/1998EP0849898A1 Repeater for optical fibre soliton signal transmission system
06/24/1998EP0849894A1 Method and device for driving a laser system for free space optical communication
06/24/1998EP0849846A2 External resonator type of variable-wavelength semiconductor laser light source
06/24/1998EP0849845A2 Laser with several emission directions
06/24/1998EP0848863A1 Long pulse vanadate laser
06/23/1998US5771325 Modular laser system
06/23/1998US5771260 Enclosure system for laser optical systems and devices
06/23/1998US5771259 Comprising dielectric layer overcoated with catalyst layer for lowering carbon dioxide dissociation resulting from excitation by electrical discharge; high power, efficiency
06/23/1998US5771258 Aerodynamic chamber design for high pulse repetition rate excimer lasers
06/23/1998US5771254 Integrated controlled intensity laser-based light source
06/23/1998US5771253 Cantilever apparatus
06/23/1998US5771252 External cavity, continuously tunable wavelength source
06/23/1998US5771251 Comprising an amplifying optical fiber formed of alumino-phosphosilicate glass doped with erbium and ytterbium
06/23/1998US5770933 Blower motor with adjustable timing
06/23/1998US5770474 Method of fabricating laser diode
06/23/1998CA2072470C Graded reflectivity mirror resonators for lasers with a gain medium having a non-circular cross-section
06/20/1998CA2222375A1 Method and arrangement for operating a laser system for optical free space communications
06/18/1998WO1998026329A1 Rational-harmonic apparatus and technique
06/18/1998DE19755361A1 Ultra short optical pulse supply system for different optical apparatus
06/18/1998DE19651520A1 Exercise apparatus with functional load control
06/17/1998EP0848465A1 Microlaser with modulation of the emission frequency
06/17/1998EP0848464A2 Stable fiber amplified spontaneous emission (ASE) sources incorporating spectral filtering
06/17/1998EP0848463A2 Optical fibre amplifier and optical amplification method
06/17/1998EP0847607A1 Device with optical fibre amplifier
06/17/1998CN1185238A Microcavity semiconductor laser
06/17/1998CN1185067A Crosstalk suppression in multipatch optical amplifier
06/17/1998CN1184944A Stable fiber ASE sources incorporating spectral filtering
06/16/1998US5768304 Laser
06/16/1998US5768302 Multi quasi phase matched interactions in a non-linear crystal and method using same
06/16/1998US5768012 Apparatus and method for the high-power pumping of fiber optic amplifiers
06/16/1998US5768011 Optical amplifying repeater
06/16/1998US5768000 Wavelength multiplexing optical transmission device
06/16/1998US5767003 Thin film semiconductor device manufacturing method
06/16/1998CA2225581A1 Frequency modulated microlaser
06/13/1998CA2220786A1 Stable fiber ase sources incorporating spectral filtering
06/11/1998WO1998025361A1 An optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit
06/11/1998WO1998025328A1 Optical systems with one or more stabilised laser signal sources
06/11/1998WO1998025327A1 Frequency conversion laser
06/11/1998WO1998025326A1 Optical amplifier and light source
06/11/1998WO1998025170A1 Device for optical coupling of a solid-state laser with an optical wave guide and a process for their production
06/10/1998EP0847115A1 Light amplifier with two incident beams
06/10/1998EP0847114A1 Solid-state laser apparatus
06/10/1998EP0846353A1 Optical waveguide, waveguide amplifier and laser
06/10/1998EP0846240A1 Eye safe laser security device
06/10/1998DE19650696A1 Vorrichtung zur optischen Kopplung eines Festkörperlasers mit einem Lichtwellenleiter und Verfahren zu deren Herstellung Device for optical coupling of a solid state laser with an optical waveguide and processes for their preparation
06/10/1998CN1184351A Stress birefringence double-frequency laser
06/09/1998US5764842 Semiconductor guided-wave optical device and method of fabricating thereof
06/09/1998US5764829 Optical signal shaping device for complex spectral shaping applications
06/09/1998US5764828 Optical apparatus for controlling angle of divergence of ring beam
06/09/1998US5764681 Method for producing unidirectional propagation of laser light in ring laser
06/09/1998US5764680 Folded internal beam path for gas stable/unstable resonator laser
06/09/1998US5764679 Mode locked laser with negative differential resistance diode
06/09/1998US5764678 Wavelength-stabilized narrow band excimer laser
06/09/1998US5764677 Laser diode power combiner
06/09/1998US5764675 Diode laser array
06/09/1998US5764666 Device for detecting malfunctions in laser devices
06/09/1998US5764663 For generating laser beams of predetermined wavelengths
06/09/1998US5764662 Cerium doped laser useful for atmospheric sensing applications
06/09/1998US5764661 Laser glasses and laser glass fibers
06/09/1998US5764505 Gas discharge laser control systems using multiple CPU's with shared memory on a common bus
06/09/1998US5764406 Hydrid optical amplifier having improved dynamic gain tilt
06/09/1998US5764405 Lossless optical transmission system architecture with non-failing optical amplifiers
06/09/1998US5764404 Wavelength-division-multiplexing optical amplifier
06/09/1998US5764359 Laser linewidth measuring apparatus utilizing stimulated brillouin scattering
06/09/1998US5764272 Autofocus mechanism for laser imager
06/09/1998US5763854 Machine for laser reflow soldering
06/09/1998US5763519 Compressed sintered fluoropolymers doped with pigments
06/09/1998US5763287 Method of fabricating semiconductor optical device
06/09/1998CA2119046C Technique utilizing stress-induced birefringence for reducing polarization dependent hole-burning in an amplified optical transmission system
06/04/1998WO1998016018A3 Wavelength division multiplexed signal amplifier
06/04/1998DE19750879A1 Cooling device for planar light source esp. for high power laser diode array
06/04/1998DE19649837A1 Wideband laser with self tuning for producing spectrally broadband light
06/03/1998EP0845842A1 Optical system with one or more stabilised laser signal sources
06/03/1998EP0845840A2 Optical fibre amplifier
06/03/1998EP0845439A1 Glass capillary tube having a shaped restriction of its internal diameter and process and apparatus for producing it
06/03/1998EP0845166A1 Laser wavelength control system
06/03/1998EP0845165A1 Confocal-to-concentric diode pumped laser
06/03/1998EP0845164A1 Diode pumped, fiber coupled laser with depolarized pump beam
06/02/1998US5761236 Laser for generating narrow-band radiation
06/02/1998US5761234 High power, reliable optical fiber pumping system with high redundancy for use in lightwave communication systems
06/02/1998US5761233 Monolithic pump cavity and method
06/02/1998US5761227 Efficient frequency-converted laser
06/02/1998US5761225 Optical fiber amplifier eled light source with a relative intensity noise reduction system
06/02/1998US5761224 Miniature stimulated raman shifting cell
06/02/1998US5760949 Light amplifier
06/02/1998US5760408 Semiconductor exposure device
06/02/1998US5759619 Variating wavelengths in high power infrared lasers diodes
06/02/1998US5758951 Vertical cavity surface emitting laser arrays for illumination
05/1998
05/28/1998WO1998023000A1 Laser system and amplifying system for producing a laser beam in the visible wavelength area
05/28/1998WO1998022999A1 Laser system and amplifying system to produce single-frequency laser irradiation
05/28/1998WO1998022997A2 Solid state laser system for ultra-violet micro-lithography
05/28/1998WO1998022995A2 Picosecond laser