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)
09/2004
09/09/2004DE10308708A1 Apparatus for striking an object with laser beams such as in a laser imaging system having a lens array between a laser source and an array of control elements
09/09/2004DE102004007881A1 Optische gepumpte Laservorrichtung zur Erzeugung von Laserimpulsen Optical pumped laser apparatus for generating laser pulses,
09/09/2004DE10013371B4 Vorrichtung und Verfahren zur Erzeugung von Laserlicht Apparatus and method for generating laser light
09/08/2004EP1455425A1 Amplifying optical fibre with a ring shaped doping and amplifier using the same
09/08/2004EP1454437A2 Optical amplifier control in wdm communications systems
09/08/2004EP1454436A1 Optical amplifier
09/08/2004EP1454394A2 Micro-cavity light emitting device and method for making same
09/08/2004EP1454390A2 Semiconductor optical amplifier providing high gain, high power and low noise figure
09/08/2004EP1454389A2 High frequency excitation system
09/08/2004EP1454388A2 Surface-free ring cavity optical resonator, corresponding communication and/or video projection apparatus
09/08/2004EP1454387A1 Optical amplifier with multiple wavelength pump
09/08/2004EP1454386A2 Laser containing a distributed gain medium
09/08/2004EP1454385A1 Restricted getter
09/08/2004EP1384294A4 Noncollinearly pumped solid state raman laser
09/08/2004EP1354379B1 Compact ultra fast laser
09/08/2004EP1269586B1 Integrated wavelength monitor
09/08/2004CN2640073Y Laser with laser cavity for outputting homogenizing laser beam
09/08/2004CN2640072Y Laser diode pumping regulating Q solid plane waveguide laser
09/08/2004CN1528035A Narrow bard high power fibre lasers with wider wavelength covering range
09/08/2004CN1527508A Method for keeping mode locking state of Fabri-Pero laser and light source thereof
09/08/2004CN1527451A Semiconductor laser diode and semiconductor laser diode assembly concluding the same
09/08/2004CN1527446A Laser diode pumped ps-level active mode-locking solid plane waveguide laser
09/08/2004CN1527120A Doped ring amplified optical fiber and amplifier containing the same optical fiber
09/08/2004CN1527095A Laser energy distribution equalizer
09/08/2004CN1527083A Zoom connector for double-cladded fiber laser output
09/08/2004CN1166039C Crystal electro-optical Q switch device
09/08/2004CN1165994C Wafer level integration of multiple optical elements
09/08/2004CN1165807C Gain-flatting optical-fiber amplifier
09/07/2004US6788864 High index-contrast fiber waveguides and applications
09/07/2004US6788863 Optical delay device
09/07/2004US6788724 Hermetically sealed external cavity laser system and method
09/07/2004US6788723 Resonator array for solid-state lasers
09/07/2004US6788722 High power waveguide laser
09/07/2004US6788718 Implementation of ultrahigh frequency emitters and applications to radar and telecommunications
09/07/2004US6788716 Multi-wavelength lasers
09/07/2004US6788715 Stabilized laser using multiphoton absorption to reduce intensity fluctuations
09/07/2004US6788714 Laser marking system and method
09/07/2004US6788713 Reduction of pulsations in DFB lasers
09/07/2004US6788712 Multiple wavelength laser source
09/07/2004US6788466 Multiple reflectivity band reflector
09/07/2004CA2143953C Device for holding a cylindrical laser tube in a stable radiation direction
09/02/2004WO2004075364A1 Optical amplifier employing delay phase matching fiber
09/02/2004WO2004075362A2 Apparatus for and method of frequency conversion
09/02/2004WO2004074805A1 Light source unit
09/02/2004WO2004013980A3 System for amplifying optical signals
09/02/2004US20040171237 Laser irradiation method, laser irradiation apparatus, and method for manufacturing semiconductor device
09/02/2004US20040170434 Optical amplifier, optical amplifying repeater and transmission apparatus of wavelength division multiplexed signal light using the same
09/02/2004US20040170371 Integrated optical device and method of making the same
09/02/2004US20040170209 Laser source with high relative feedback and method for making such a laser source
09/02/2004US20040170208 Gain optimization for stable single mode operation of external cavity laser
09/02/2004US20040170206 Diode-pumped laser with funnel-coupled pump source
09/02/2004US20040170205 Laser device, method of exciting the same, and laser processing machine
09/02/2004US20040170204 Compact phase locked laser array and related techniques
09/02/2004US20040170202 Laser light generator, line beam optical system, laser marking apparatus, and miter saw
09/02/2004DE10353381A1 Verfahren und Vorrichtung zum Modifizieren der Spreizung eines Lasserstrahls Method and apparatus for modifying the spread of a beam Lasser
09/02/2004DE10049557B4 Vorrichtung zum Umwandeln der Intensitätsverteilung eines Laserstrahls Means for converting the intensity distribution of a laser beam
09/01/2004EP1453157A2 Laser amplifier system
09/01/2004EP1453156A1 Laser apparatus
09/01/2004EP1451907A2 Multi-beam micro-machining system and method
09/01/2004EP1451621A2 Polymer optical waveguides on polymer substrates
09/01/2004EP1451527A1 Current control biasing to protect electrode seals of a ring laser gyroscope
09/01/2004EP1451019A1 Article, especially valuable and security document, comprising a security feature
09/01/2004EP1240695B1 Optical fiber amplifier with gain control
09/01/2004EP1153462B1 Wdm transmitter
09/01/2004EP0868767B1 Eyesafe transmission of hazardous laser beams
09/01/2004EP0852835B1 Supersonic and subsonic laser with rf discharge excitation
09/01/2004CN2638297Y Double wrapping optical fibre laser lateral coupling pumping device
09/01/2004CN2638296Y Multiple wavelength solid harmonic Raman laser
09/01/2004CN2638295Y Belt shaped microchip automatic regulating Q double wrapping optical fibre amplifier
09/01/2004CN2638084Y Simplified fly'e eye type light beam equalization apparatus
09/01/2004CN1526080A Optical fiber fusion splice having a controlled mode field diameter expansion match
09/01/2004CN1526079A Optical waveguide type defraction grating device and a method of manufacturing thereof
09/01/2004CN1525993A Optical material containing functional fluoropolymer
09/01/2004CN1525610A Current drive device control circuit and solid laser apparatus using the same
09/01/2004CN1525205A Laser beam dividing apparatus with randomly variable beam division angle
09/01/2004CN1164966C Non-linear optical crystal laser friquency variable grating coupler
08/2004
08/31/2004US6785472 Broadband amplified WDM ring
08/31/2004US6785440 Assembly for focusing and coupling the radiation produced by a semiconductor laser into optical fibers
08/31/2004US6785319 Ultraviolet laser device
08/31/2004US6785318 Polarization mode control of vertical cavity surface emitting lasers
08/31/2004US6785316 Excimer or molecular laser with optimized spectral purity
08/31/2004US6785315 Mobile tactical high energy laser weapon system and method for generating a high energy laser beam
08/31/2004US6785314 Electric discharge gas laser
08/31/2004US6785307 Method and arrangement for the self-calibration of a diode pumped solid state laser, particularly a tunable, diode pumped solid state laser
08/31/2004US6785306 Wavelength-tunable stabilizer laser
08/31/2004US6785305 Tuneable, adjustment-stable semiconductor laser light source and a method for the optically stable, largely continuous tuning of semiconductor lasers
08/31/2004US6785304 Waveguide device with mode control and pump light confinement and method of using same
08/31/2004US6785303 Generation of stabilized, ultra-short light pulses and the use thereof for synthesizing optical frequencies
08/31/2004US6785043 Dispersion-compensated optical fiber amplifier
08/31/2004US6785042 Slope control of gain wavelength of raman amplification
08/31/2004US6785003 Ring laser gyro with optically independent semiconductor ring lasers
08/31/2004US6784982 Direct mapping of DNA chips to detector arrays
08/31/2004US6784399 Micromachining with high-energy, intra-cavity Q-switched CO2 laser pulses
08/31/2004US6784007 Nano-structures, process for preparing nano-structures and devices
08/31/2004US6783067 Passport production system and method
08/31/2004CA2294636C Dynamic optical amplifier
08/31/2004CA2236886C Fiber optic gyroscope source wavelength control
08/26/2004WO2004073124A1 Laser source with high relative feedback and method for making such a laser source
08/26/2004WO2004073123A1 Multi-wavelength mode-locked laser source
08/26/2004WO2004073121A2 Producing a polarized laser beam with minimum divergence and a desired spatial cross-section