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)
03/2005
03/17/2005US20050058174 Solid state laser using a semiconductor pumping light source
03/17/2005US20050058173 Side-pumped solid-state disk laser for high-average power
03/17/2005US20050058172 System and method for segmented electrode with temporal voltage shifting
03/17/2005US20050058171 Optically pumped semiconductor device and method for producing it
03/17/2005US20050058165 Laser having <100>-oriented crystal gain medium
03/17/2005US20050058164 Device, method and system for generating an infrared image
03/17/2005US20050058163 High repetition rate passively Q-switched laser for blue laser based on interactions in fiber
03/17/2005US20050058162 Laser oscillator
03/17/2005US20050057794 Raman excitation control method and optical transmission system using the same
03/17/2005US20050056815 Composition for photon-energy up-conversion
03/17/2005US20050056627 Micro-machining employing multiple independently focused and independently steered beams
03/17/2005US20050056626 Multiple beam micro-machining system and method
03/17/2005DE102004040388A1 Einzelkopflaser für Laserschockbehandlung mit hohem Durchsatz Single head laser for laser shock processing with high throughput
03/17/2005DE10025874B4 Optische Verstärker-Anordnung Optical amplifier arrangement
03/16/2005EP1514333A1 Wavelength tunable ring-resonator
03/16/2005EP1514332A2 Laser cooling apparatus and method
03/16/2005EP1514152A1 Solid state uv laser
03/16/2005EP1454386A4 Laser containing a distributed gain medium
03/16/2005EP1192687B1 Dispersive multi-layer mirror
03/16/2005CN2686166Y Rectangle double-clad optical fibre laser with pumping optical waveguide external cladding
03/16/2005CN2686165Y Rectangle double-clad optical fibre laser with pumping optical waveguide external cladding
03/16/2005CN2686164Y Rectangle double-clad optical fiber laser with pumping optical waveguide external cladding
03/16/2005CN1596492A Timing control for two-chamber gas discharge laser system
03/16/2005CN1596490A Laser light generating device and method of fabricating the same
03/16/2005CN1595741A Integrated photoelectronic device
03/16/2005CN1595738A Enclosed CO2 laser resonant cavity with optional wavelength
03/16/2005CN1595737A A laser rod thermal lens effect compensation apparatus and compensation method
03/16/2005CN1595736A Convertible dual-wavelength doping optical fiber laser
03/16/2005CN1593817A Method and apparatus for applying optical fiber array energy source to laser sintering rapid forming
03/16/2005CN1193519C Low noise optical amplifier and optical communication system using same
03/16/2005CN1193212C Method and apparatus for determining characteristic of laser beam spot
03/15/2005US6868212 Method and apparatus for controlling wavelength and dominant mode in fiber lasers
03/15/2005US6868204 Optical amplifying and relaying system
03/15/2005US6868107 Method for designing photonic-crystal distributed-feedback and distributed bragg-reflector lasers
03/15/2005US6868106 Resonator optics for high power UV lasers
03/15/2005US6868103 Single photon source based on transmitters with selectively distributed frequencies
03/15/2005US6868099 Frequency-narrowed high power diode laser system with external cavity
03/15/2005US6868098 Dual-wavelength passive self-modulated mode-locked semiconductor laser diode
03/15/2005US6867929 Light source device
03/15/2005US6867912 Wide-band erbium-doped fiber amplifier and wavelength division multiplexing optical transmission system
03/15/2005US6867910 Wideband ASE light source
03/15/2005US6867909 Filter with variable transmission character, optical transmission equipment and method of optical transmission
03/15/2005US6867907 Pumping light source unit, raman amplifier, and optical transmission system
03/15/2005US6867906 Multiplexer for providing non-equidistant intervals between pump wavelengths in broadband raman amplifiers
03/15/2005US6867905 Reduced four-wave mixing and raman amplification architecture
03/15/2005CA2260962C Laser device
03/10/2005WO2005022759A2 Filter for selectively processing optical and other signals
03/10/2005WO2005022710A1 Laser coherence control using homogeneous linewidth broadening
03/10/2005WO2005022709A1 A continuously swept frequency laser source
03/10/2005WO2005022708A1 Waveguide laser light source suitable for projection displays
03/10/2005WO2005022707A1 Solid laser device
03/10/2005WO2005022705A2 High energy optical fiber amplifier for picosecond-nanosecond pulses for advanced material processing applications
03/10/2005WO2005022234A1 Apparatus and method for self-phase control with stimulated brillouin scattering phase conjugate mirror
03/10/2005WO2004112204A3 Optical amplification in miniaturized polymer cavity resonators
03/10/2005WO2004064297B1 Efficient room-temperature source of polarized single photons
03/10/2005WO2004029736A3 Improved laser nozzle and iodine injection for coil
03/10/2005WO2003077378A3 Multistage optical amplifier having a fiber-based amplifier stage and a planar waveguide-based amplifier stage
03/10/2005US20050054510 Dispersal of optically active ions in glass
03/10/2005US20050053111 Method and apparatus for Raman ring resonator based laser/wavelength converter
03/10/2005US20050053107 Laser power control apparatus
03/10/2005US20050053106 Nitric oxide stimulation laser and method
03/10/2005US20050053105 High peak-power kilohertz laser system employing single-stage multi-pass amplification
03/10/2005US20050053104 Backscatter absorption gas imaging systems and light sources therefore
03/10/2005US20050053101 Mode selection for single frequency fiber laser
03/10/2005US20050052731 Optical amplifier control in wdm communications systems
03/10/2005US20050052727 Optical performance monitoring using a semiconductor optical amplifier
03/10/2005US20050052609 Multi-wavelength external-cavity laser with digital and mode-hope-free fine tuning mechanisms
03/10/2005US20050051713 Modelocked waveform for synthetic aperture ladar
03/10/2005US20050051635 Article, especially valuable and security document, comprising a security feature
03/10/2005DE20316550U1 Laserelement mit laseraktivem Medium Laser element with laser-active medium
03/09/2005EP1513232A1 Laser device and method for operating the laser device
03/09/2005EP1513231A1 Broadband light source with dual-port structure
03/09/2005EP1513194A2 Cooling device for semiconductor component
03/09/2005EP1513143A2 Llaser power control apparatus
03/09/2005EP1512672A1 Optical fiber for Raman amplification
03/09/2005EP1512204A2 Multi-aperture fiber laser system
03/09/2005EP1512203A2 System and method for introducing pump radiation into high-power fiber laser and amplifier
03/09/2005EP1512202A1 Closed-loop purging system for laser
03/09/2005EP1511438A1 Medical tools for dental treatments by means of a laser
03/09/2005EP1410536B1 Raman assisted edfa system and method
03/09/2005EP1334389B1 Device for the transmission of optical signals with improved transmission properties
03/09/2005EP1110113A4 Method of fabricating a cylindrical optical fiber containing an optically active film
03/09/2005EP0515410B2 Solid state laser diode light source
03/09/2005CN1592993A Method and apparatus for oscillator start-up control for mode-locked laser
03/09/2005CN1592992A Multimode fiber laser gratings
03/09/2005CN1592010A Cooling device for semiconductor component
03/09/2005CN1592009A Circular metal cavity eddy laser
03/09/2005CN1591788A Method for treating polysilicon
03/09/2005CN1591621A Laser diode driving circuit and an optical head
03/09/2005CN1591594A Laser power control apparatus
03/09/2005CN1591065A Broadband light source with dual-port structure
03/09/2005CN1591043A Structure ordered product, method of producing the same and applications of the same
03/09/2005CN1192522C Power control in optical amplifier
03/09/2005CN1192261C Photonic crystal fibre and method for its production
03/08/2005US6865213 Diode-pumped solid-state laser in a polyhedronal geometry
03/08/2005US6865212 Method for energy control of pulsed driven, gas discharged-coupled beam sources
03/08/2005US6865211 Gas laser and optical system
03/08/2005US6865210 Timing control for two-chamber gas discharge laser system
03/08/2005US6865209 Laser diode with a spatially varying electrostatic field frequency converter
03/08/2005US6865208 Ultrafast laser beam switching and pulse train generation by using coupled vertical-cavity, surface-emitting lasers (VCSELS)