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)
11/2002
11/20/2002EP1258061A1 In fiber frequency locker
11/20/2002EP1258060A1 Fast wavelength correction technique for a laser
11/20/2002EP1258059A1 Bandwidth control technique for a laser
11/20/2002EP1258058A2 Codopant polymers for efficient optical amplification
11/20/2002EP1257924A1 Process monitoring system for lithography lasers
11/20/2002CN1381082A Light amplifying optical fiber and light amplifier using it
11/20/2002CN1380758A Control method of optical amplification medium, optical amplifier and system using it
11/20/2002CN1380725A Incoherent light-emitting device for driving vertical laser cavity
11/20/2002CN1380496A Slope plate type hydraulic action device and static pressure stepless speed variator
11/20/2002CN1380263A Method for dispersing optical active ions in glass
11/20/2002CN1094656C Optical fiber amplifier packaging apparatus
11/20/2002CN1094530C Hoop or fabric for procedure controlling hoop
11/20/2002CN1094474C Ge-Ga-S-based glass composition having light amplifying characteristic and apparatus for optical communications using the same
11/20/2002CN1094408C Laser working system
11/19/2002US6483978 Compact optical amplifier module
11/19/2002US6483974 Optical fiber with improved cross-sectional profile and optical gain media using same
11/19/2002US6483973 Cladding member for optical fibers and optical fibers formed with the cladding member
11/19/2002US6483956 Fiber frequency locker
11/19/2002US6483864 Partial reflective laser output device
11/19/2002US6483859 System and method for high-speed laser detection of ultrasound
11/19/2002US6483858 Injection mode-locking Ti-sapphire laser system
11/19/2002US6483636 Optical amplifier
11/19/2002US6483634 Optical amplifier
11/19/2002US6483633 Raman amplifier
11/19/2002US6483632 Multistage optical amplifier with gain flattening
11/19/2002US6483631 Optical amplifier spectral tilt controllers
11/19/2002US6483630 Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path cross reference to related application
11/19/2002US6483629 Optical window signal generator
11/19/2002US6483628 Polarization and wavelength stable superfluorescent sources using Faraday rotator mirrors
11/19/2002US6483073 Laser marking system and method
11/19/2002US6482665 Polarization switching surface-emitting laser and a method of manufacturing the same
11/19/2002CA2234053C Wavelength sliced self-seeded pulsed laser
11/19/2002CA2118612C High efficiency transversely pumped solid-state slab laser
11/14/2002WO2002091638A1 Method and system for transmitting information in an optical communication system using distributed amplification
11/14/2002WO2002091533A1 Laser device, method of exciting the same, and laser processing machine
11/14/2002WO2002091532A1 New materials useful as saturable absorbers
11/14/2002WO2002091530A1 Broadband source with transition metal ions
11/14/2002WO2002091529A2 Microoptoelectromechanical system (moems) based laser
11/14/2002WO2002091487A1 Light emitting apparatus
11/14/2002WO2002091048A1 Pumping light source connecting device of er-doped cascade fiber amplifier
11/14/2002WO2002091046A2 Waveguide structure with asymmetrical grating and method for production thereof
11/14/2002WO2002090037A1 Micromachining with high-energy, intra-cavity q-switched co2 laser pulses
11/14/2002WO2002057198A3 Transparent ceramics and method for producing the same
11/14/2002WO2002057196A3 Transparent ceramics and method for producing the same
11/14/2002US20020168161 Sources of, and methods for generating, optical pulses
11/14/2002US20020168139 Optical fiber terminations, optical couplers and optical coupling methods
11/14/2002US20020168134 Laser beam steering system
11/14/2002US20020167986 Gas discharge ultraviolet laser with enclosed beam path with added oxidizer
11/14/2002US20020167984 Compact electrically and optically pumped multi-wavelength nanocavity laser, modulator and detector arrays and method of making the same
11/14/2002US20020167976 Thermally efficient laser head
11/14/2002US20020167975 Laser spectral engineering for lithographic process
11/14/2002US20020167974 Q-switched cavity dumped CO2 laser for material processing
11/14/2002US20020167722 WDM fiber amplifiers using sampled bragg gratings
11/14/2002US20020167721 Method and apparatus for stabilizing a high-gain, high-power single polarization EDFA
11/14/2002US20020167720 Optical amplifier device
11/14/2002US20020167719 Method of pump wavelength combing for enhanced power dynamic range and redundancy broad band raman optical amplifier system
11/14/2002US20020167718 Polarization and wavelength stable superfluorescent sources
11/14/2002US20020167717 Optical fiber amplifier and optical communication system using the same
11/14/2002US20020167716 Optical amplifier and optical transmission system
11/13/2002EP1257024A1 Resonator for gas laser comprising TiO2-plated electrodes
11/13/2002EP1257023A2 Multiple band raman amplifier pump source
11/13/2002EP1257022A2 Laser amplifier
11/13/2002EP1256789A2 Apparatus and method for measuring optical signals by optical sampling
11/13/2002EP1256149A1 Electric discharge laser with acoustic chirp correction
11/13/2002EP1256030A1 Laser thermal processing apparatus and method
11/13/2002EP1131864A4 Reduction of pulsations in dfb lasers
11/13/2002EP0984844B1 Laser marking system and method of energy control
11/13/2002EP0916175B1 A gas discharge laser having an electrostatic precipitator
11/13/2002CN1379924A Laser with resonance cavity including circular cone prism being top in shape
11/13/2002CN1379743A Transition-metal glass-ceramic gain media
11/13/2002CN1379742A Transparent glass-ceramics based on alpha-and beta-willemite
11/13/2002CN1379515A Miniaturized femto-second solid laser oscillator
11/13/2002CN1379514A Dual-frequency laser device with dual refractive films
11/13/2002CN1379279A Method and dvice for measuring and controlling Raman gain and Raman amplifier
11/13/2002CN1379264A In-line regulator for dynamic coaxial regulation of space filter
11/13/2002CN1379253A Optical fiber, light transmission line using said optical fiber and light transmission system
11/12/2002US6480663 Optical fiber for optical amplifier
11/12/2002US6480659 Optic fiber structure for efficient use of optical pump energy in three-level rare-earth doped fiber laser
11/12/2002US6480640 Integrated optical circuit device and method for producing the same
11/12/2002US6480519 Gas laser device that emits ultraviolet rays
11/12/2002US6480517 Shadow device for a gas laser
11/12/2002US6480329 Multi-wavelength light amplifier
11/12/2002US6480328 Optical amplifier and optical amplification method for amplifying wavelength division multiplexed signal light
11/12/2002US6480327 High power laser system with fiber amplifiers and loop PCM
11/12/2002US6480325 Laser light source and image display based on quasi-phasematched nonlinear optical devices
11/12/2002US6480318 Optical amplifier evaluation method and optical amplifier evaluation instrument
11/12/2002US6480312 Dispersion compensating system used for bi-directional optical communication
11/12/2002US6480275 High resolution etalon-grating monochromator
11/12/2002US6479889 Semiconductor device package, and fabrication method thereof
11/12/2002US6479830 Low-sputter-yield coating for hardware near laser-produced plasma
11/12/2002US6478452 Diode-laser line-illuminating system
11/12/2002CA2278071C High average power fiber laser system with phase front control
11/12/2002CA2250903C Composite module for optical fiber amplifier
11/12/2002CA2201985C Apparatus and method for housing optical components
11/07/2002WO2002089366A1 Optical transmission system comprising a supervisory system
11/07/2002WO2002088807A1 Loss-less tunable per-channel dispersion compensator
11/07/2002WO2002088797A1 Method and apparatus for decreasing signal propagation delay in a waveguide
11/07/2002WO2002088781A2 High efficiency raman amplifier
11/07/2002WO2002088779A2 Method of operating a noise-compensating gain controller for an optical amplifier
11/07/2002WO2002061980A8 Open-path/free-space optical communication system and method using reflected or backscattered light