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)
04/2004
04/01/2004WO2004003342A3 Fiber optic amplifier for oilfield applications
04/01/2004WO2003050925A3 Surface-free ring cavity optical resonator, corresponding communication and/or video projection apparatus
04/01/2004WO2003044914A8 Multi-wavelength raman fiber laser
04/01/2004WO2002071133A8 Fiber optical attenuator
04/01/2004US20040062507 Semiconductor optical device
04/01/2004US20040062483 Optical resonator and laser applications
04/01/2004US20040062281 Tuning mechanism for a tunable external-cavity laser
04/01/2004US20040061929 Inversion level controller and system for optical amplifiers
04/01/2004US20040061863 Fiber optic sensors with reduced noise
04/01/2004US20040061843 Process and mask projection system for laser crystallization processing of semiconductor film regions on a substrate
04/01/2004US20040061260 Device and method for the manufacturing of three-dimensional objects layer-by-layer
04/01/2004DE10251975A1 Light waveguide cable for data transmission to receiver station has section with light waveguides with larger effective cross-section associated with one or both sides of amplifier
04/01/2004DE10243839A1 Broadband compensation of optical system group transition time effects with low dispersion oscillations involves direct impedance matching of surrounding material to layer stack using Brewster angle
04/01/2004DE10243367A1 Coherent combining method for laser beams using optical injection of reference laser light for synchronizing frequency and phase of each laser source
04/01/2004DE10223319B4 Optisches Abbildungssystem zum Abbilden zumindest zweier in Strahlrichtung beabstandeter Ebenen eines Lichtstrahls An optical imaging system for imaging at least two spaced apart planes in the beam direction of a light beam
03/2004
03/31/2004EP1403987A1 VCSEL with a reflection layer made of resin for single transverse mode emission
03/31/2004EP1402606A2 Laser diode chip with waveguide
03/31/2004EP1402605A1 High repetition rate gas discharge laser with precise pulse timing control
03/31/2004EP1402295A1 Ring core fiber
03/31/2004EP1320913B1 High-peak-power laser device and application to the generation of light in the extreme ultraviolet
03/31/2004CN2609239Y 主动锁相阵列激光器 Active phase-locked laser arrays
03/31/2004CN2609238Y Intracavity four frequency multiplier laser
03/31/2004CN1485962A Tunable blue-purple laser
03/31/2004CN1485961A Tunable royal purple laser
03/31/2004CN1485960A Tunable green-blue-purple laser
03/31/2004CN1485959A Tunable green-blue-purple laser
03/31/2004CN1485958A Tunable red-green-blue-purple laser
03/31/2004CN1485957A Tunable green-blue-purple laser
03/31/2004CN1485956A Tunable green-blue-purple laser
03/31/2004CN1485936A Vertical cavity light-producing device with improved power conversion
03/31/2004CN1485670A Photographing lens
03/31/2004CN1485647A Wave length selective laser beam divider
03/31/2004CN1485630A Electrophoretic display device with improved high temperature behavior
03/31/2004CN1144331C Super lattice quasi-period structure dielectric material and method for preparing the same
03/31/2004CN1144330C Stably aimed laser
03/31/2004CN1144074C Focusing device
03/31/2004CN1144073C Device for optical coupling of solid-state laser with optical wave guide and process for manufacturing the same
03/30/2004US6714581 Compact phase locked laser array and related techniques
03/30/2004US6714580 Current control biasing to protect electrode seals
03/30/2004US6714579 Basic hydrogen peroxide recycling system for chemical oxygen-iodine lasers
03/30/2004US6714578 Calcium gallium sulphide (CaGa2S4) as a high gain erbium host
03/30/2004US6714577 Energy stabilized gas discharge laser
03/30/2004US6714576 Excimer laser and method of operating an excimer laser
03/30/2004US6714570 Molecular iodine supply system for a chemical laser
03/30/2004US6714569 Design of optical superlattice to realize third-harmonic generation and multi-wavelength laser output and its application in the all-solid state laser
03/30/2004US6714567 Laser light generating apparatus and optical apparatus using the same
03/30/2004US6714566 Tunable laser source with an integrated wavelength monitor and method of operating same
03/30/2004US6714346 Method and apparatus for THz radiation power enhancement
03/30/2004US6714345 Semiconductor optical amplifier providing high gain, high power and low noise figure
03/30/2004US6714342 Low-noise distributed Raman amplifier using bi-directional pumping using multiple Raman orders
03/30/2004US6714309 Method and system for locking transmission wavelengths for lasers in a dense wavelength division multiplexer
03/30/2004US6713770 High resolution spectral measurement device
03/25/2004WO2004025797A2 Laser diode arrays with replaceable laser diode bars and methods of removing and replacing laser diode bars
03/25/2004WO2004025796A2 Semiconductor optical pumping device for radiation emission and the production method thereof
03/25/2004WO2004025795A1 Pump laser diode with improved wavelength stability
03/25/2004WO2004025794A1 Control of laser tuning velocity
03/25/2004WO2004025793A1 Laser driver control circuit
03/25/2004WO2004025792A1 Method and apparatus for oscillator start-up control for mode-locked laser
03/25/2004WO2004025791A1 Solid laser laterally pumped with focussed light from diodes in multiple flows
03/25/2004WO2004025790A2 Method for producing and operating a solid polymer laser medium and arrangement for the implementation thereof in a light amplification structure
03/25/2004WO2004025704A2 Contact lens package and storage case, holder, and system and method of making and using
03/25/2004WO2003084011A3 Intracavity resonantly enhanced fourth-harmonic generation using uncoated brewster surfaces
03/25/2004WO2003081731A3 Phase-locked loop control of passively q-switched lasers
03/25/2004WO2003034111A3 An integrated optical circuit having an integrated arrayed waveguide grating (awg) and at least one integrated optical amplifier
03/25/2004WO2003032547A3 Transmitter photonic integrated circuit
03/25/2004WO2003032021A3 TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPIC) AND OPTICAL TRANSPORT NETWORKS EMPLOYING TxPICs
03/25/2004US20040057735 Optical transmitter using highly nonlinear fiber and method
03/25/2004US20040057732 Light amplifying apparatus for wavelength division multiplexing capable for determining change in number of multiplexed wavelength signals
03/25/2004US20040057490 Microlaser cavity assembly and associated packaging method
03/25/2004US20040057489 Control system for a two chamber gas discharge laser
03/25/2004US20040057485 Semiconductor laser device, semiconductor laser module, and optical fiber amplifier
03/25/2004US20040057484 Semiconductor laser
03/25/2004US20040057480 Laser apparatus with improved thermal stress resistance
03/25/2004US20040057476 Method and apparatus for automatically controlling a power of a laser diode
03/25/2004US20040057475 High-power pulsed laser device
03/25/2004US20040057474 Bandwidth control technique for a laser
03/25/2004US20040057472 Variable wavelength light source
03/25/2004US20040057471 Traveling-wave lasers with a linear cavity
03/25/2004US20040057106 Long-wavelength optical fiber amplifier
03/25/2004US20040057105 Optical amplifier
03/25/2004US20040056243 Devices with optical gain in silicon
03/25/2004US20040056009 Multiple beam micro-machining system and method
03/25/2004US20040056008 Apparatus for cutting a non-metallic substrate using a laser beam
03/25/2004US20040055525 Potasium ytterbium double wolframate single crystal, optionally doped, procedure for its production and applications
03/25/2004DE10252450A1 Submarine optical wave-guide cable for data transmission has multiple optical wave-guides and an amplifier fitted between optical wave-guide ends aligned to each other
03/25/2004DE10241986A1 Optically pumped solid body laser for material processing comprises an intracavity laser crystal having an optical axis along which a continuous pump light source or pulsed emitted pump light source is directed into the crystal
03/25/2004DE10241984A1 Optically pumped solid body laser comprises at least one intracavity laser crystal having two spaced regions having different doping material concentrations
03/25/2004DE10241983A1 Optically pumped solid laser system comprises housing containing at least two resonator mirrors and at least one laser crystal, all surfaces except mirrors and crystal having chemically inert coating
03/25/2004DE10208585B4 Pumplichtquelle für laseraktive Medien und Verfahren zu ihrem Betreiben Pumping light source for laser active media and method for its operation
03/24/2004EP1401253A1 Television tuner
03/24/2004EP1401126A2 Optical signals generator for wavelength division multiplexing optical communication system
03/24/2004EP1401067A1 Optically pumped solid state laser
03/24/2004EP1401066A2 Microlaser cavity assembly with frequency doubling and adjustment means by rotation
03/24/2004EP1400860A2 Lithographic marker structure, lithographic projection apparatus comprising such a lithographic marker structure and method for substrate alignment using such a lithographic marker structure
03/24/2004EP1399382A2 High-purity fluorine gas, production and use thereof, and method for analyzing trace impurities in high-purity fluorine gas
03/24/2004EP1281219B1 Single laser transmitter for q-switched and mode-locked vibration operation
03/24/2004EP1244534B1 Energy-efficient, laser-based method and system for processing target material
03/24/2004CN2607683Y LD pump microdisk laser
03/24/2004CN2607587Y Laser beam optimizing controller
03/24/2004CN2607268Y Drum rotary bench laser carving machine