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)
06/1997
06/17/1997US5640412 Prism folded laser cavity with controlled intractivity beam polarization
06/17/1997US5640411 Waveguide laser
06/17/1997US5640408 Diodes; detectors
06/17/1997US5640407 Temperature regulating laser diode assembly
06/17/1997US5640406 Birefringence compensated laser architecture
06/17/1997US5640405 Multi quasi phase matched interactions in a non-linear crystal
06/17/1997US5640269 Communication systems
06/17/1997US5640268 Optical fiber amplifier with two directional pumping
06/17/1997CA2068899C Whispering mode micro-resonator
06/12/1997WO1997021261A1 Eyesafe transmission of hazardous laser beams
06/12/1997WO1997021260A1 Distributed feedback ring laser
06/12/1997WO1997021259A1 Laser resonator, laser device, device applying laser, and method for oscillation of laser beam
06/12/1997WO1997021141A1 A method for inducing nonlinearities in active optical materials and apparatus for the use thereof
06/12/1997WO1997021124A1 Method and apparatus for side pumping an optical fiber
06/12/1997WO1997014199A3 Laser device, preferably high-energy gas laser device
06/12/1997CA2238983A1 Ring interferometer configuration for writing gratings
06/12/1997CA2238483A1 Distributed feedback ring laser
06/11/1997EP0778682A2 Optical fiber amplifier repeating system
06/11/1997EP0778642A2 Wavelength-stabilized narrow band excimer laser
06/11/1997EP0778498A2 Semiconductor exposure device
06/11/1997EP0777925A1 Dark pulse generation
06/11/1997EP0676036B1 Piezoelectric transducer drive
06/11/1997CN1035146C Picosecond pulse plaser with Q-switch
06/10/1997US5638473 Optical waveguide grating filter
06/10/1997US5638397 Confocal-to-concentric diode pumped laser
06/10/1997US5638395 Optically pumped laser apparatus
06/10/1997US5638394 Blue and green laser oscillation method and device adopting the same
06/10/1997US5638389 Output control apparatus for laser oscillator
06/10/1997US5638388 Diode pumped, multi axial mode intracavity doubled laser
06/10/1997US5638204 Optical power amplifier with Al2 O3 and erbium doped active fiber
06/10/1997US5637885 Method for producing a microsystem and forming a microsystem laser therefrom
06/05/1997DE19649903A1 Impulse length, e.g. 200 to 1000 nano second, adjusting method for solid state laser
06/05/1997DE19544897A1 Tunable semiconductor laser apparatus
06/04/1997EP0777346A2 Optical amplifier and optical communication system employing the same
06/04/1997EP0776536A1 Stabilised multi-frequency light source and method of generating synthetic light wavelengths
06/04/1997EP0776534A1 Lasers
06/04/1997EP0776533A1 Optically stable laser resonator
06/04/1997CN2255681Y Radio freqency panel-type carbon deoxide leaser
06/03/1997US5636304 Article comprising a spatially varying Bragg grating in an optical fiber
06/03/1997US5636301 Optical waveguide amplifiers
06/03/1997US5636239 Solid state optically pumped laser head
06/03/1997US5636238 Device for producing laser radiation at a variable or selectable wavelength
06/03/1997US5636232 Optical wavelength converter
06/03/1997US5636069 Optical system for improving the symmetry of the beam emitted from a broad area laser diode
06/03/1997US5636059 Cylindrical microlens external cavity for laser diode frequency control
06/03/1997US5636054 Regulated optical amplifier having an optical circulator
06/03/1997US5636053 Fiberoptic amplifier system with noise figure reduction
06/03/1997US5634920 Method and apparatus for removing epithelium from the surface of the eye
06/03/1997US5634737 Coupler for attaching an articulated arm to a laser
05/1997
05/29/1997WO1997019528A1 Optical transmitter
05/29/1997WO1997019504A1 Frequency synthesizer
05/29/1997WO1997019503A1 Fiber stub end-pumped laser
05/28/1997EP0776075A1 Laser device, in particular for optical pumping, and method of fabrication
05/28/1997EP0776074A2 Cladding-pumped fiber structure
05/28/1997EP0776073A1 Rectangular discharge gas laser
05/28/1997EP0775376A1 Laser system with compensated optics
05/28/1997EP0775350A1 Flat panel light source for liquid crystal displays
05/28/1997DE19543596A1 Laser with resonator containing optical element(s) with variable reflection
05/27/1997US5633964 Article comprising a multi-stage erbium-doped fiber amplifier
05/27/1997US5633887 Optical devices using an external cavity semiconductor laser
05/27/1997US5633885 Frequency chirp control and compensation for obtaining broad bandwidth ultrashort optical pulses from wavelength-tunable lasers
05/27/1997US5633884 Self-seeding method and apparatus for dual cavity type tunable laser utilizing diffraction grating
05/27/1997US5633883 Continuously tunable solid state ultraviolet coherent light source
05/27/1997US5633761 Laser diode module
05/27/1997US5633750 Optical fiber amplifier
05/27/1997US5633749 Optical fiber amplifier having light surge preventing function
05/27/1997US5633743 Optical communications system using tunable tandem Fabry-Perot etalon
05/27/1997US5633527 Unitary lens semiconductor device
05/22/1997WO1997018608A1 Rf-excited gas laser system
05/22/1997WO1997018607A1 Rapidly scanning cathode-ray tube laser
05/22/1997WO1997018606A1 Cooled laser diode array assembly
05/21/1997EP0774810A2 Phase conjugate wave generating device, wavelength converting method, optical dispersion compensation method and multi-wavelength light generating device
05/21/1997EP0774809A1 Article comprising a semiconductor laser, and method of making the laser
05/21/1997EP0774129A1 Apparatus for coupling a multiple emitter laser diode to a multimode optical fiber
05/21/1997CN2254599Y Coaxial semiconductor laser
05/20/1997US5631918 Laser diode arrays with close beam offsets
05/20/1997US5631917 Laser apparatus
05/20/1997US5631769 High power laser amplifier
05/20/1997US5631767 Substrate with solid surface layer of polycrystalline nonlinear frequency converting harmonic generation compound, for detection of laser beams with wavelengths outside visible spectrum and converting them to visible wavelengths
05/20/1997US5631737 High-energy laser with multiple phased outputs
05/20/1997US5631472 Light modulator comprising semiconductor substrate
05/15/1997WO1997017748A2 Rapidly scanning cathode-ray tube laser
05/15/1997WO1997017747A1 Laser amplifier system
05/15/1997WO1997017746A1 Solid state lasers
05/15/1997WO1996039018A3 Wavetrain stabilization and sorting
05/15/1997DE19541978A1 Solid state infrared B type laser apparatus
05/14/1997EP0773641A2 Optical communications system using tunable tandem Fabry-Perot etalon
05/14/1997EP0772901A1 High-power optical fiber amplifier or laser device
05/14/1997EP0772900A1 Discharge arrangement for pulsed gas lasers
05/14/1997EP0772791A1 Device for optically converting a plurality of beams
05/14/1997CN1034898C high-repeat frequency rate high-average power laser
05/14/1997CN1034897C Solid laser phase conjugate resonant cavity
05/13/1997US5629953 Chalcogenide optical pumping system driven by broad absorption band
05/13/1997US5629951 Electrostatically-controlled cantilever apparatus for continuous tuning of the resonance wavelength of a fabry-perot cavity
05/13/1997EP0783779A4 Gas replenishment method and apparatus for excimer lasers
05/09/1997WO1997016875A1 Optical fibre with a fluorescent dopant
05/09/1997WO1997016679A1 Vertical cavity surface emitting laser arrays for illumination
05/09/1997WO1997016382A1 Process for producing quartz glass optical body for ultraviolet-emitting lasers and quartz glass body produced according to the process
05/07/1997EP0772308A2 Light receiving device
05/07/1997EP0772264A2 Optical surge preventing method and system for use with or in a rare earth doped fiber circuit