Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › 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
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)
03/1998
03/25/1998EP0830637A1 Improved external resonant frequency mixers based on degenerate and half-degenerate resonators
03/25/1998EP0793903B1 Coating for the structured production of conductors on the surface of electrically insulating substrates
03/25/1998EP0758297B1 Pattern disruption in thermal transfer printing
03/25/1998CN1177233A Pulased power supply unit
03/25/1998CN1177222A Ozone compatible stimulated brillouin scattering materials
03/24/1998US5732169 Filter for guided light, and an optical link including the filter
03/24/1998US5732100 Cavity for a solid microlaser having an optimized efficiency, microlaser using it and its production process
03/24/1998US5732095 Dual harmonic-wavelength split-frequency laser
03/24/1998US5731892 Article comprising hybrid optical fiber amplifier
03/24/1998US5731577 Illumination apparatus and projection exposure apparatus using the same
03/24/1998US5731046 Fabrication of diamond and diamond-like carbon coatings
03/24/1998US5730811 Cavity dumped laser shock peening process
03/19/1998WO1998011682A1 System with optical amplifier
03/19/1998WO1998011681A1 System with feedback controlled optical amplifiers
03/19/1998WO1998011495A1 Laser apparatus
03/18/1998EP0829979A2 Multi-wavelength light source and discrete-wavelength-variable light source
03/18/1998EP0829976A2 Broad linewidth lasers for optical fiber communication systems
03/18/1998EP0829932A1 Blower for a gas laser
03/18/1998EP0829745A1 Lightbeam control system
03/18/1998EP0829740A2 Mode coupling optical waveguide grating
03/18/1998EP0829120A1 Tuneable, adjustment-stable laser light source with a spectral filtered output
03/18/1998EP0829119A1 Microcavity semiconductor laser
03/18/1998EP0829118A2 Wavetrain stabilization and sorting
03/18/1998EP0696348B1 Rapid turn-on source for fiber optic gyroscope
03/18/1998EP0690972B1 Laser gyro dither stripper
03/18/1998EP0478548B1 Method of controlling regions of ferroelectric polarization domains in solid state bodies
03/18/1998CN2276676Y Variable reflector
03/18/1998CN2276675Y Single-mode microwave exciting gas leser with cylindrical cavity resonator
03/18/1998CN2276674Y Laser cavity resonator device
03/18/1998CN1176509A Semiconductor laser device
03/18/1998CN1176508A Laser light generating apparatus
03/18/1998CN1176507A Solid state laser device
03/17/1998US5729565 Discharge unit and electrode for a pulsed discharge laser
03/17/1998US5729564 Electrostatic precipitator for a gas discharge laser
03/17/1998US5729562 Pulse power generating circuit with energy recovery
03/17/1998US5729380 Loop phase-conjugate mirror for depolarized beams
03/17/1998US5729375 Optical amplification system with non-orthogonal signal and distributed multi-pump beams and photorefractive cleanup
03/17/1998US5729372 Optical transmission method and apparatus and optical amplification method and apparatus for optical communication system
03/17/1998US5729369 Method of tracking a plurality of discrete wavelengths of a multifrequency optical signal for use in a passive optical network telecommunications system
03/17/1998US5728509 Arcuate film formed by photolithography on photoresist film formed on surface of device
03/12/1998WO1998010497A1 Laser
03/12/1998WO1998010496A1 Diode laser pumped multimode waveguide laser, particularly fiber laser
03/12/1998WO1998010495A1 Laser oscillator
03/12/1998WO1998010494A1 Short-pulse laser device
03/12/1998DE19636236A1 Diodenlasergepumpter Vielmoden-Wellenleiterlaser, insbesondere Faserlaser Diode-pumped multimode waveguide laser, especially fiber laser
03/12/1998CA2264753A1 Laser
03/11/1998EP0828357A2 Optical element power control
03/11/1998EP0828342A2 Pulsed power supply unit
03/11/1998EP0828325A1 Optical semiconductor amplifier
03/11/1998EP0828324A2 Semiconductor laser device
03/11/1998EP0828178A2 Wavelength conversion apparatus with improved efficiency, easy adjustability, and polarization insensitivity
03/11/1998EP0827803A2 Laser instrument
03/11/1998EP0827719A1 Medical or dental laser instrument, in particular for treating dental root canals
03/11/1998CN1176005A Optic fibre for reduced polarization effects in amplifiers
03/10/1998US5727012 Heterostructure laser
03/10/1998US5727011 Gas laser apparatus with gas circulation arrangement
03/10/1998US5727009 Semiconductor laser apparatus and optical pickup apparatus using the same
03/10/1998US5727007 Praseodymium doped waveguide lasers
03/10/1998US5726813 Optical apparatus with replacement semiconductor laser
03/10/1998US5726804 Wavetrain stabilization and sorting
03/10/1998US5726798 Method and apparatus for filter infrared emission
03/10/1998US5726796 For broadband systems
03/10/1998US5726795 Compact phase-conjugate mirror utilizing four-wave mixing in a loop configuration
03/10/1998US5726743 Laser observation space instrument and a space vehicle including it
03/05/1998DE19738121A1 Solid-state laser device
03/05/1998DE19635608A1 Optically-pumped fibre laser
03/05/1998DE19634969A1 Pulse energy setting method for laser diode pumped solid-state laser
03/05/1998DE19634489A1 Synchronisation device for ultra short optical laser pulses
03/04/1998EP0827012A2 Ozone compatible stimulated Brillouin scattering materials
03/04/1998EP0826258A1 Diode pumped, multiaxial mode, intracavity doubled laser
03/04/1998EP0826257A1 Optical unit comprising ring lasers for multiplying the frequency of a clock signal
03/04/1998EP0826255A1 Monolithic laser
03/04/1998EP0826254A1 Optical frequency generator
03/04/1998EP0826164A1 Optical component for generating pulsed laser radiation
03/04/1998EP0734601B1 High power laser amplifier
03/04/1998EP0708996B1 Slab laser with folded resonator structure
03/04/1998EP0707747B1 Laser device
03/04/1998CN2275768Y Flash bulb lamp for uniform illumination solid laser
03/04/1998CN1175104A Erbium-doped optical fibre amplifier using bidirectional reticule and exciting pump-excited power amplifying and transmitting light
03/04/1998CN1174820A Heat treatment of silica based glasses
03/03/1998US5724462 Integrated optical semiconductor device and optical gyroscope usinng the same
03/03/1998US5724377 Method and apparatus for improving the instability of a laser
03/03/1998US5724375 Vertical cavity surface emitting laser with enhanced second harmonic generation and method of making same
03/03/1998US5724373 Microphotonic acousto-optic tunable laser
03/03/1998US5724372 Diode-pumped laser system using uranium-doped Q-switch
03/03/1998US5724371 Photoinscribed bragg grating sensor with a good signal-to-noise ratio
03/03/1998US5724164 Continuously tunable laser
02/1998
02/26/1998WO1998008279A1 Optically pumped amplifier, in particular solid-state amplifier
02/26/1998WO1998008128A1 Arrangement for geometrically shaping a radiation field
02/26/1998DE19704502C1 Laser module with fine adjustment method e.g. for micrometre range transmission engineering
02/26/1998DE19633569A1 Solid state laser light source wavelength control method
02/26/1998DE19633395A1 Diode laser pumped neodymium:yttrium-aluminium garnet solid state laser
02/25/1998EP0825690A1 Laser material
02/25/1998EP0825471A2 Beam diameter control method and device
02/25/1998EP0824774A1 Process and device for forming and guiding the radiation field of one or several solid and/or semiconductor lasers
02/25/1998EP0824772A1 Time-sharing laser
02/25/1998EP0824771A1 Confocal-to-concentric diode pumped laser
02/25/1998EP0617852B1 Apparatus and method for controlling an extinction ratio of a laser diode over temperature
02/25/1998CN1174428A Laser aid
02/24/1998US5721749 Laser pulse profile control by modulating relaxation oscillations
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