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)
07/2000
07/11/2000US6088153 Multi-functional optical isolator
07/11/2000US6088152 Optical amplifier arranged to offset Raman gain
07/06/2000WO2000039793A1 Optical recording/reproducing device having a system for the reduction of laser noise when reading data from the record carrier
07/06/2000WO2000025091A3 A method and system for modal noise suppression in fiber optic systems
07/06/2000DE19956739A1 Ultra-short optical pulse laser, especially a mode-coupled laser pulse source used in telecommunications, has an optical guide element for restricting amplified light to the fundamental mode of a multi mode fiber
07/05/2000EP1017140A2 Optical amplifier manufacture
07/05/2000EP1016636A1 Method for manufacturing optical fiber preform and method for manufacturing optical fiber
07/05/2000EP1016328A4 Electromagnetic energy distributions for electromagnetically induced mechanical cutting
07/05/2000EP1016328A2 Electromagnetic energy distributions for electromagnetically induced mechanical cutting
07/05/2000EP1016229A1 Optical amplifier with gain adjustment
07/05/2000EP1016174A1 Device for mounting a laser head
07/05/2000EP1016092A1 Method and apparatus for producing extreme ultra-violet light for use in photolithography
07/05/2000EP1015396A1 Composition for optical waveguide article and method for making continuous clad filament
07/05/2000EP0992093A4 Wavelength system for an excimer laser
07/05/2000CN1259236A Laser systems using phase conjugate feedback
07/05/2000CN1258946A Laser resonator trimming mechanism with optical path compensation
07/05/2000CN1258945A Femto second optical fiber laser with multiple-port coupled output
07/04/2000US6084996 Broadband long-period gratings
07/04/2000US6084897 Laser processing device and laser device
07/04/2000US6084896 Laser light-source apparatus and method of producing light beam
07/04/2000US6084893 Apparatus and method of laser power and frequency stabilization of radio frequency excited laser using optogalvanic effect
07/04/2000US6084718 Method and apparatus for high energy propagation back focus control
07/04/2000US6084704 Crosstalk suppression in a multipath optical amplifier
07/04/2000US6083319 Non-linear crystals and their applications
06/2000
06/30/2000CA2293512A1 Automatic protection system for an optical transmission system
06/29/2000WO2000038318A1 Method and apparatus for controlling the ratio of an output signal and an input signal
06/29/2000WO2000038286A1 ArF LASER WITH LOW PULSE ENERGY AND HIGH REP RATE
06/29/2000WO2000038285A1 Chiral laser apparatus and method
06/29/2000WO2000038282A2 Ultrafine powders and their use as lasing media
06/29/2000WO2000038281A1 Line narrowed f2 laser with etalon based output coupler
06/29/2000DE19860895A1 Mode step-free, tuneable, spectrally clean laser light source has laser medium with resonator end mirror, imaging system, angle dispersing element, cat's-eye retroreflector and spatial filter
06/29/2000CA2355943A1 Method and apparatus for controlling the ratio of an output signal and an input signal
06/29/2000CA2326205A1 Chiral laser apparatus and method
06/29/2000CA2291531A1 Optical amplifier manufacture
06/28/2000EP1014607A1 Method for reducing intensity distortions caused by cross-phase modulation in an optical WDM transmission system
06/28/2000EP1014518A2 An atomic frequency standard laser pulse oscillator
06/28/2000EP1014145A2 Method and apparatus for determining the starting position and the power of a scanning light beam to be used in writing on a media
06/28/2000EP1013021A1 Dynamic optical amplifier
06/28/2000EP1013011A1 Method and apparatus for laser communication through a lossy medium
06/28/2000EP1012932A1 Line narrowing device with double duty grating
06/28/2000EP1012930A1 Fibre amplification device for an optical system
06/28/2000EP1012929A2 Laser with line narrowing output coupler
06/28/2000EP1011911A1 Ultrashort pulse laser machining of metals and alloys
06/28/2000EP0806066A4 Optical sources having a strongly scattering gain medium providing laser-like action
06/28/2000CN1258390A Single mode laser adapted for frequency multiplying and its configuration method
06/28/2000CN1258210A Short pulse mid-infrared parametric generator for surgery
06/28/2000CN1258121A Wavelength change laser and machiing device using same
06/28/2000CN1258120A Cavity for flat gas laser
06/28/2000CN1258016A Optical parametric amplifier
06/28/2000CN1053971C Installation for driving and positioning film in course of etching film by laser beam
06/27/2000US6081544 Flexure mounting of optical resonator for precision lasers
06/27/2000US6081543 Stretcher-compressor assembly having a single grating
06/27/2000US6081542 Optically pumped laser with multi-facet gain medium
06/27/2000US6081379 Multiple coupled Gires-Tournois interferometers for group-delay-dispersion control
06/27/2000US6081369 Fiber amplifiers and pumping sources for fiber amplifiers
06/27/2000US6081367 Optical filter module and optical amplifier using the same
06/27/2000US6081366 Optical fiber communication system with a distributed Raman amplifier and a remotely pumped er-doped fiber amplifier
06/27/2000US6081348 Ros beam failure detector
06/27/2000CA2184682C Solid state device for generating electromagnetic wave in terahertz-band
06/27/2000CA2182384C Optical time domain reflectometry
06/22/2000WO2000036718A1 Generation of short optical pulses using strongly complex coupled dfb lasers
06/22/2000WO2000036715A1 Precisely wavelength-tunable and wavelength-switchable narrow linewidth lasers
06/22/2000WO2000036714A1 Gain equalizer, light amplifier and optical communication system
06/22/2000WO2000036713A2 Method for controlling the wavelength of an optical fiber-based light source
06/22/2000WO2000036664A2 Light-emitting device
06/22/2000WO2000035623A1 Laser processing
06/22/2000CA2355063A1 Gain equalizer, light amplifier and optical communication system
06/22/2000CA2315412A1 Generation of short optical pulses using strongly complex coupled dfb lasers
06/22/2000CA2292974A1 Tunable, mechanically induced long-period fiber grating with enhanced polarizing characteristics
06/21/2000EP1011178A1 Laser power amplifier and method of making and using the same
06/21/2000EP1010221A1 Intra-cavity and inter-cavity harmonics generation in high power lasers
06/21/2000EP1010220A1 GLASS FOR HIGH AND FLAT GAIN 1.55 $g(m)m OPTICAL AMPLIFIERS
06/21/2000EP1010219A2 Repetitively-pulsed solid-state laser having resonator including multiple different gain-media
06/21/2000EP1010040A1 Laser-illuminated stepper or scanner with energy sensor feedback
06/21/2000EP1010025A1 Method for fabrication of in-line optical waveguide refractive index gratings of any length
06/21/2000DE19954704A1 Laser scanning microscope control system uses solid state laser and synchronization of laser continuous emission phase to prevent image error
06/21/2000CN1257614A Semiconductor micro-resonator device
06/21/2000CN1257584A Fluorinated rare earth doped glass and glass-ceramic articles
06/21/2000CN1257216A Wave division multiuse erbium-doped optical fiber amplifier having constant power output in each channel and amplifying method
06/21/2000CN1257215A Optical fiber amplifier and transmission system with same
06/21/2000CA2292276A1 Process for reducing intensity distortions induced by cross- phase modulation in a wavelength-multiplexed fibre optics transmission system and unit for implementing the process
06/20/2000US6078606 Multi-color, multi-pulse laser
06/20/2000US6078604 Laser oscillation apparatus
06/20/2000US6078599 Wavelength shift correction technique for a laser
06/20/2000US6078598 Laser apparatus, pulsed laser oscillation method and projection exposure apparatus using the same
06/20/2000US6078597 Method and apparatus for optical signal processing by photo-induced loss and/or gain gratings
06/20/2000US6078422 Optical amplifier unit control methods optical amplifier systems and systems which use the methods and amplifier systems
06/20/2000US6078413 Optical branching/multiplexing apparatus
06/20/2000US6077799 Rare-earth doped, surface plasma chemical vapor deposition (spcvd), fluorine- and nitrogen-doped glass comprising high levels of fluorine, alumina, and nitrogen. broad erbium oxide emission; enhanced multichannel amplifiers; nondestructive
06/15/2000WO2000035059A1 Laser working medium
06/15/2000WO2000035058A2 Polarization and wavelength stable superfluorescent sources
06/15/2000WO2000035057A2 Resonant optical wave power control devices and methods
06/15/2000WO2000033955A1 Process for producing a catalyst composition
06/15/2000DE19855801A1 Wide beam oscillator-amplifier device for industrial or medical laser has concave mirror, planoconvex lens, polarization-dependent beam splitter and polarization plane rotation device
06/15/2000DE19655152A1 Gas slab laser with improved electrode structure and multipass resonator
06/15/2000CA2686812A1 Polarization and wavelength stable superfluorescent sources
06/15/2000CA2353891A1 Resonant optical wave power control devices and methods
06/14/2000EP1009078A1 Optical gain equalizer
06/14/2000EP1008238A2 Automatic feedback gain control in a doped fiber amplifier
06/14/2000EP1008212A1 High efficiency, high power direct diode laser systems and methods therefor