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)
11/2004
11/18/2004WO2004100621A1 Laser plasma producing method and device
11/18/2004WO2004100406A2 Large effective area high sbs threshold optical fiber
11/18/2004WO2004100330A1 Eye-safe solid state laser system
11/18/2004WO2004100329A1 Method and apparatus for detecting frequency change of electromagnetic radiation
11/18/2004WO2004100328A1 Laser with hybrid-unstable ring resonator
11/18/2004WO2004100326A2 A miniaturized external cavity laser (ecl) implemented with acoustic optical tunable filter
11/18/2004WO2004100325A2 Waveguide laser
11/18/2004WO2004100324A2 Laser resistant to internal ir-induced damage
11/18/2004WO2004099831A2 Laser mirror housing
11/18/2004WO2004001917A3 Raman amplifiers with improved signal power management
11/18/2004US20040228632 Single fibre bidirectional optical transmission system and single fibre bidirectional optical amplifier
11/18/2004US20040228384 Widely tunable sampled-grating distributed feedback laser diode
11/18/2004US20040228383 Diode pumped alkali-molecular lasers and amplifiers
11/18/2004US20040228378 Semiconductor laser device
11/18/2004US20040228377 Wide temperature range vertical cavity surface emitting laser
11/18/2004US20040228376 Self-seeded single-frequency solid-state ring laser, and single-frequency laser peening method and system using same
11/18/2004US20040228375 Wavelength locker
11/18/2004US20040228371 Terahertz frequency radiation sources and detectors based on group IV materials and method of manufacture
11/18/2004US20040227998 Lens, light irradiation apparatus, and laser pointer
11/18/2004DE102004019993A1 Halbleiterlaservorrichtung A semiconductor laser device
11/17/2004EP1478064A1 Widely tunable sampled-grating distributed feedback laser diode
11/17/2004EP1478062A2 Self-seeded single-frequency solid-state ring laser, laser peening method and system using same
11/17/2004EP1478061A1 Optical element
11/17/2004EP1478060A1 Lossless optical transmission system architecture with non-failing optical amplifiers
11/17/2004EP1476774A2 P-si er fiber profile
11/17/2004EP1125150B1 Multilayer mirrors for dispersion control
11/17/2004EP1046179B1 Optoelectronic device used to modulate the flow of electrons
11/17/2004EP0991967B1 Single mode optical fibre
11/17/2004EP0953161B1 Reflective overcoat for replicated diffraction gratings
11/17/2004CN2657242Y Tube-sheet type discharge electrode for wide anode
11/17/2004CN2657033Y Laser light net structure device
11/17/2004CN1547792A Two-dimensional photonic crystal surface-emission laser
11/17/2004CN1547336A Method and apparatus for Raman amplifying of dual wavelength structure with linear gain
11/17/2004CN1547296A A bismuth borate noncollinear double frequency crystal device
11/17/2004CN1547295A Dual wavelength combination pumping method for batten-shaped laser gain medium and its gain module
11/17/2004CN1547294A Dual wavelength combination pumping method for disk type laser gain medium and its gain module
11/17/2004CN1547293A Displacement self-sensing HeNe laser system with cats eye as endoscope
11/17/2004CN1547292A Ultrashort pulse laser time self-adapting synchronization method and apparatus therefor
11/17/2004CN1547055A Vibrating mirror type laser scanning system
11/17/2004CN1176395C Laser time pulse shaper
11/16/2004US6819860 Erbium doped glass; optical waveguides
11/16/2004US6819846 High absorption erbium doped amplifying optical fiber
11/16/2004US6819829 Optical communication system
11/16/2004US6819828 Method and device for optical fiber transmission
11/16/2004US6819817 Optical signal storage
11/16/2004US6819703 External cavity laser
11/16/2004US6819702 Pump laser diode with improved wavelength stability
11/16/2004US6819699 Arf excimer laser device, scanning type exposure device and ultraviolet laser device
11/16/2004US6819698 Energy monitor for F2 molecular fluorine laser and method of energy stabilization
11/16/2004US6819697 Moisture passivated planar index-guided VCSEL
11/16/2004US6819694 Resonant fabry-perot semiconductor saturable absorbers and two photon absorption power limiters
11/16/2004US6819692 Optical amplifiers and lasers
11/16/2004US6819690 Mode-coupled laser
11/16/2004US6819689 Passive mode lock fiber laser
11/16/2004US6819688 Semiconductor laser device and optical fiber amplifier
11/16/2004US6819687 Non-imaging optical corner turner
11/16/2004US6819492 Tuneable active microcavity and related method for making same
11/16/2004US6819482 Optical amplifier and optical communication system including the same
11/16/2004US6819479 Optical amplification using launched signal powers selected as a function of a noise figure
11/16/2004US6819478 Fiber optic transmission system with low cost transmitter compensation
11/16/2004US6819477 Raman amplifier module and optical transmission system using the same
11/16/2004US6819402 System and method for laser beam expansion
11/16/2004US6818856 Laser machining apparatus
11/16/2004US6818568 Method of using beam homogenizer and laser irradiation apparatus
11/16/2004CA2267600C Method of compensating the dispersion of fluoride-based fibre lasers in the second optical window
11/16/2004CA2261036C Tunable external cavity diode laser
11/11/2004WO2004098006A1 Passive thermal compensation of laser wavelength and optical path length in an external cavity laser
11/11/2004WO2004098003A1 Laser apparatus for material processing
11/11/2004WO2004098002A1 Use of glasses containing rare earth oxide, alumina, and zirconia and dopant in optical waveguides
11/11/2004WO2004098001A2 Zigzag slab laser amplifier with integral reflective surface and method
11/11/2004WO2004097465A2 Singlet telescopes with controllable ghosts for laser beam forming
11/11/2004WO2004079444A3 Method and device for time-gated amplification of photons
11/11/2004WO2004055574A3 Method and apparatus for electrically isolating an optical amplifier module housed in a universal cable joint
11/11/2004WO2004049522A3 Passive q-switch laser
11/11/2004WO2004045112A3 Method and apparatus for silicon-based optically-pumped amplification using stimulated scattering
11/11/2004WO2004025790A3 Method for producing and operating a solid polymer laser medium and arrangement for the implementation thereof in a light amplification structure
11/11/2004US20040223713 Technique for stabilizing laser wavelength and phase
11/11/2004US20040223712 comprises wave guide clad comprising materials whose refraction indices vary in magnitude according to temperature variation, with core through which laser/light passes
11/11/2004US20040223532 Semiconductor laser device
11/11/2004US20040223530 Pumping light source for laser-active media
11/11/2004US20040223525 Vertical cavity laser including inorganic spacer layers
11/11/2004US20040223524 Mode-locked fiber laser
11/11/2004US20040223522 Producing a polarized laser beam with minimum divergence and a desired spatial cross-section
11/11/2004US20040223521 Method and a device for distributed Raman amplification in an optical fiber by optical signals with different wavelengths and different polarizations
11/11/2004US20040223385 Multidirectional photoreactive absorption method
11/11/2004US20040223211 Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module
11/11/2004US20040222411 Devices with optical gain in silicon
11/11/2004US20040222367 Beam source and beam processing apparatus
11/10/2004EP1475908A1 Method and device for Raman amplification distributed over an optical fiber by means of optical signals having different wavelengths and polarisations
11/10/2004EP1475869A2 Vertical cavity laser including inorganic spacer layers
11/10/2004EP1475868A2 External cavity laser
11/10/2004EP1475867A2 Laser oscillation apparatus
11/10/2004EP1475866A2 Laser oscillation apparatus
11/10/2004EP1474850A1 Rare-earth doped phosphate-glass single-mode fiber lasers
11/10/2004EP1474849A1 Amplifier chain for generating high-power ultrashort pulses
11/10/2004EP1226637A4 Optical resonators with orthogonally polarized modes
11/10/2004EP1210300A4 Glass composition
11/10/2004EP1040539B1 High pulse rate pulse power system
11/10/2004CN2655478Y Full solidified Yb:YAG prism output laser
11/10/2004CN2655477Y Laser diode pump active mode-locked solid plane waveguide laser