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)
06/2003
06/17/2003US6580516 Tunable Fabry Perot microelectromechanical resonator adapted for optical filters and lasers with reduced optical power-dependent tuning
06/17/2003US6580054 Scribing sapphire substrates with a solid state UV laser
06/17/2003US6580052 Method for assembling a miser laser with fibre coupling
06/17/2003CA2233327C Wavelength selective optical devices
06/12/2003WO2003049241A1 Timing control for two-chamber gas discharge laser system
06/12/2003WO2003049240A1 Method for modelling optical fiber amplifiers
06/12/2003WO2003049239A2 Solid state system and method for generating ultraviolet light
06/12/2003WO2003049200A2 Electroluminescent device
06/12/2003WO2003048835A2 High speed mechanical laser shutter
06/12/2003WO2003048000A2 METHOD AND APPARATUS FOR $I(IN SITU) PROTECTION OF SENSITIVE OPTICAL MATERIALS
06/12/2003WO2003047807A1 Method and apparatus for increasing the material removal rate in laser machining
06/12/2003WO2002075865A3 Monolithic ceramic laser structure and method of making same
06/12/2003WO2002047294A3 Optical performance monitoring for dwdm networks
06/12/2003WO2002043197A3 Portable low-power gas discharge laser
06/12/2003US20030109860 Multiple laser treatment
06/12/2003US20030108318 Optical fiber, optical fiber component and optical transmission method
06/12/2003US20030108081 Wavelength tunable laser light source
06/12/2003US20030108078 Medical laser system
06/12/2003US20030107480 Sensor for preventing automobile crashes by using photonic quantum ring laser array
06/12/2003US20030107317 Restricted getter
06/12/2003US20030107283 Excimer laser apparatus
06/12/2003US20030106990 Optical amplifier
06/12/2003DE20304242U1 Laser machining device for simultaneous machining of several areas of a workpiece, e.g. for laser welding of motor vehicle parts, comprises a beam splitter which has a pyramid mirror
06/12/2003CA2469591A1 Method for modelling optical fiber amplifiers
06/11/2003EP1318621A2 Optical amplifier and optical communication system including the same
06/11/2003EP1318620A2 Optical amplifier
06/11/2003EP1318583A2 Semiconductor laser with two active layers and optical fiber amplifier using the same
06/11/2003EP1318580A2 Semiconductor laser device and optical fiber amplifier
06/11/2003EP1318579A1 Multi-wavelength raman laser
06/11/2003EP1318578A2 Laser device for pumping a solid state laser medium
06/11/2003EP1318424A2 Non-contacting holding device for an optical component
06/11/2003EP1317785A1 High power waveguide laser
06/11/2003EP1112802B1 Method and device for heating at least two elements by means of high energy density laser beam
06/11/2003CN2555566Y Rod-chamber integrated element of laser
06/11/2003CN1423854A High-frequency discharge excited oxygen generator for iodine laser and high-frequency discharge excited oxygen generating method
06/11/2003CN1423853A Method and device for regulating a medium with an amplifying effect, especially a fiber optical waveguide
06/11/2003CN1423381A Tunable violet laser crystal cr3+: REA3 (BO3)4
06/11/2003CN1423380A 1.3mum waveband nano second neodymium-doped crystal laser controlled by light path delay wave-absorption method
06/11/2003CN1423379A Laser power source of semiconductor pumping laser mark printer
06/11/2003CN1422994A Chromium-doped lanthanum scandium borate tunable laser crystal
06/11/2003CN1422987A Growth of laser crystal Yb3+; Nd3+: REA3 (BO3)4 by integrating central seed crystal and rotary crucible molten salt growth method
06/10/2003US6577782 Direct space-to-time pulse shaper and optical pulse train generator
06/10/2003US6577666 Laser amplification system
06/10/2003US6577665 Molecular fluorine laser
06/10/2003US6577664 Excimer laser device
06/10/2003US6577663 Narrow bandwidth oscillator-amplifier system
06/10/2003US6577660 Distributed feedback type semiconductor laser device having gradually-changed coupling coefficient
06/10/2003US6577657 Plastic substrate for solid-state laser
06/10/2003US6577448 Laser system by modulation of power and energy
06/10/2003US6577441 Optical amplifier
06/10/2003US6577440 Optical fiber for optical amplifier and fiber optic amplifier
06/10/2003US6577439 Optical amplifier
06/10/2003US6577438 Method and apparatus for monitoring and controlling gain tilt in an optical amplifier
06/10/2003US6577437 Optical amplification apparatus utilizing Raman amplification and controlling method thereof
06/10/2003US6577416 Channel control in a wavelength division multiplexed communications network
06/10/2003US6577067 Switching system using laser induced discharge
06/10/2003US6575962 Apparatus for modifying the surface of the eye through large beam laser polishing and method of controlling the apparatus
06/10/2003CA2295353C Light generation method and light source
06/10/2003CA2257518C Split-pumped dual stage optical fiber amplifier
06/10/2003CA2162264C Waveguide laser
06/05/2003WO2003047054A2 Chirped pulse amplification method and apparatus
06/05/2003WO2003047053A1 Laser containing a slurry
06/05/2003WO2003047052A2 Laser containing a distributed gain medium
06/05/2003WO2003046949A2 System and method for transferring information in optical fiber
06/05/2003WO2003035795A3 Photostabilised organic material
06/05/2003WO2002104072A3 Emissive multichromophoric systems
06/05/2003WO2002095882A3 Thulium doped fiber amplifier pumping scheme
06/05/2003US20030103753 Device packaging and method
06/05/2003US20030103545 Method and apparatus for in situ protection of sensitive optical materials
06/05/2003US20030103544 Semiconductor laser device and optical fiber amplifier
06/05/2003US20030103280 Prism unit and laser device
06/05/2003US20030103260 Optical fiber amplifier using two-port wavelength selective coupler
06/05/2003US20030103213 Calibrating a frequency difference between two or more lasers over an extended frequency range
06/05/2003US20030102379 LED-based planar light illumination and imaging (PLIIM) engine
06/05/2003US20030102292 Positioning screen; irradiating with lasers; semiconductor
06/05/2003CA2468941A1 System and method for transferring information in optical fiber
06/04/2003EP1317083A2 Optical transmission system and optical transmission method utilizing Raman amplification
06/04/2003EP1317037A2 Optical amplifier
06/04/2003EP1317033A2 Laser beam amplification through pumping of a non-linear medium and laser device comprising such an amplifier
06/04/2003EP1317032A2 Pump source comprising several pump lasers for Raman amplification of a WDM signal with minimized four wave mixing
06/04/2003EP1316989A2 Method and apparatus for calibrating marking position in chip scale marker
06/04/2003EP1316166A2 Pump power monitor system and method for gain control of optical amplifier
06/04/2003EP1245137B1 Method and device for laser drilling organic materials
06/04/2003EP0968579B1 Multiple stage optical fiber amplifier
06/04/2003EP0950274B1 Gas laser device and integrated gas purifying means
06/04/2003EP0759215B1 Pulse power generating circuit with energy recovery
06/04/2003CN1422028A 光放大器 Optical amplifiers
06/04/2003CN1421968A 157nm Raman laser
06/04/2003CN1421967A Double lamp pumped great-power solid laser with serially connected rods
06/04/2003CN1421966A 1.3š“micron-band superpulse Nd-doped crystal laser
06/04/2003CN1421551A Combined crucible rotating and molten salt pulling method for growing RE3+: KGd (WO4)2 laser crystal
06/04/2003CN1110876C Radial wave laser
06/03/2003US6574406 Selectively absorbing optical fibers for optical amplifiers
06/03/2003US6574393 Compact optical fiber amplifier module
06/03/2003US6574262 High-power and high efficiency large area single-mode laser
06/03/2003US6574255 High-power external-cavity optically-pumped semiconductor lasers
06/03/2003US6574252 Radio frequency excited slab waveguide laser comprising detector and method of stabilizing the laser power and frequency using optogalvanic effect
06/03/2003US6574249 Thin film laser emitting device and method for the manufacture thereof
06/03/2003US6574248 Laminated wigglers
06/03/2003US6574037 All band amplifier