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)
09/2003
09/23/2003US6625184 Cooling device for an optical crystal or laser crystal
09/23/2003US6625182 Semiconductor or solid-state laser having an external fiber cavity
09/23/2003US6625180 Raman fiber laser
09/23/2003US6624928 Raman amplification
09/23/2003US6624927 Raman optical amplifiers
09/23/2003US6624926 Optical amplifier with pump light source control for raman amplification
09/23/2003US6624925 Optical amplifier employing an active doped unitary amplifier
09/23/2003CA2324607C Solid state dye laser
09/18/2003WO2003077449A1 Dynamic broadband optical equalizer
09/18/2003WO2003077420A2 Method for organizing a mode-locked pulse train by pump modulation
09/18/2003WO2003077385A1 Tunable cavity resonator and method of fabricating same
09/18/2003WO2003077384A1 Methods and arrangements in a pumped fiber amplifier
09/18/2003WO2003077383A1 Light amplifying device and method of manufacturing the device, light source device using the light amplifying device, light treatment device using the light source device, and exposure device using the light source device
09/18/2003WO2003077381A2 Amplifiers and light sources employing s-band erbium-doped fiber and l-band thulium-doped fiber with distributed suppression of amplified spontaneous emission (ase)
09/18/2003WO2003077378A2 Multistage optical amplifier having a fiber-based amplifier stage and a planar waveguide-based amplifier stage
09/18/2003WO2003076989A1 Array-type optical device having enhanced pump efficiency
09/18/2003WO2003076988A1 Top-pumped optical device
09/18/2003WO2003076979A2 Split-band depressed-profile amplifier and system
09/18/2003WO2003076976A2 Photonic-crystal distributed-feedback and distributed-bragg reflector lasers
09/18/2003WO2003076971A2 Optical energy switching device and method
09/18/2003WO2003052884A3 Sources of, and methods of generating, optical radiation
09/18/2003WO2003044911A3 Amplifying medium for solid-state dye lasers
09/18/2003WO2003044909A3 System for optical power control
09/18/2003WO2002078097A3 Optical amplifiers
09/18/2003WO2002037627A8 Single laser transmitter for q-switched and mode-locked vibration sensing operation
09/18/2003US20030176002 Process for fabrication of optical waveguides
09/18/2003US20030175004 Coating nanoparticles with a halogenated outer layer and dispersing them in a host matrix; antiagglomerants; optical waveguide clad cores; heat, chemical, wear resistances; waterproofing; biocompatability; drug delivery
09/18/2003US20030175003 Optical guide comprising an amplifier medium and a method for producing said guide
09/18/2003US20030174980 Optical transmission system
09/18/2003US20030174977 System and method for transferring much more information in optic fiber cables by significantly increasing the number of fibers per cable
09/18/2003US20030174957 Optical filter device for temperature dependence control
09/18/2003US20030174940 Optical devices and methods of fabrication thereof
09/18/2003US20030174938 Wide band Raman amplifiers
09/18/2003US20030174755 Speckle free laser probe beam
09/18/2003US20030174754 High repetition rate excimer laser system
09/18/2003US20030174748 Semiconductor laser apparatus and optical pickup apparatus using same
09/18/2003US20030174742 Rare earth-doped medium with photorefractive grating as compact laser source
09/18/2003US20030174741 Semiconductor saturable absorber device, and laser
09/18/2003US20030174740 Extended chiral defect structure apparatus and method
09/18/2003US20030174391 Gain flattened optical amplifier
09/18/2003US20030174390 Optical amplifier and optical communication system including the same
09/18/2003US20030174389 Optical transmission system using Raman amplification
09/18/2003US20030174388 Single-source multiple-order raman amplifier for optical transmission systems
09/18/2003US20030174387 Tunable multimode laser diode module, tunable multimode wavelength division multiplex raman pump, and amplifier, and a system, method, and computer program product for controlling tunable multimode laser diodes, raman pumps, and raman amplifiers
09/18/2003US20030174381 Transmission wavelength characteristics variable optical element, and wavelength characteristics variable apparatus, optical amplifier, optical transmission system, and control method of transmission wavelength characteristics, using same
09/18/2003US20030174379 Device and method for multiplication of repetition frequency in optical pulse trains
09/18/2003US20030174301 Photolithography apparatus and exposure method
09/18/2003US20030173649 Unit cell architecture for electrical interconnects
09/18/2003US20030173541 Colloidal nanocrystals with high photoluminescence quantum yields and methods of preparing the same
09/18/2003US20030173344 Method and system for laser welding
09/18/2003US20030173343 Method and installation for hybrid laser/arc welding using a power-diode laser
09/18/2003DE10215095C1 Excimer laser circuitry, includes energy recovery unit with second storage condenser connected in line between first storage condenser and thyratron
09/18/2003CA2478416A1 Communication system and split-bnd amplifying apparatus using a depressed profile fiber amplifier
09/18/2003CA2478360A1 Methods and arrangements in a pumped fiber amplifier
09/18/2003CA2478314A1 Amplifiers and light sources employing s-band erbium-doped fiber and l-band thulium-doped fiber with distributed suppression of amplified spontaneous emission (ase)
09/17/2003EP1345345A1 Wide band raman amplifiers
09/17/2003EP1345344A2 Wide band optical fiber amplifier
09/17/2003EP1345343A2 Raman amplified dispersion compensating modules
09/17/2003EP1345294A2 Tunable multimode pump source for a Raman amplifier
09/17/2003EP1344289A1 Temperature actuated positioning device for non-linear optical elements
09/17/2003EP1344288A2 Apparatus for controlling laser penetration depth
09/17/2003EP1344022A1 Fibre optic sensor systems
09/17/2003EP1097022B1 Method and device for calibrating a workpiece laser-processing machine
09/17/2003EP1095432B1 Optical fibre and optical fibre device
09/17/2003CN1443103A Light guide for laser welding
09/17/2003CN1442761A Electronic camera
09/17/2003CN1121626C Controller for controlling light changeable attenuator
09/16/2003US6621957 Temperature compensated optical device
09/16/2003US6621849 Optical pumping module for a laser comprising a cylindrical reflector with a polygonal base
09/16/2003US6621848 SECOIL reprocessing system
09/16/2003US6621847 Narrow-band excimer laser apparatus
09/16/2003US6621846 Electric discharge laser with active wavelength chirp correction
09/16/2003US6621838 Laser treatment apparatus
09/16/2003US6621835 Raman amplifier in ring configuration
09/16/2003US6621639 Device for converting the intensity distribution of a laser beam and a device and method for generating a laser beam with an intensity which falls constantly along an axis from one side of the beam to the other
09/16/2003US6621636 Laser irradiation apparatus and method of laser irradiation
09/16/2003US6621627 WDM fiber amplifiers using sampled bragg gratings
09/16/2003US6621625 Optical node including three-stage optical amplifier with automatic gain and level control
09/16/2003US6621624 Optical gain fibers
09/16/2003US6621623 Optical fiber amplifying device stabilized for temperature and signal level
09/16/2003US6621622 Optical amplifier and optical amplifier arrangement with reduced cross phase modulation
09/16/2003US6621621 Line amplification system for wavelength switched optical networks
09/16/2003US6621620 Optical amplification system using Raman amplification
09/16/2003US6621619 Hybrid brillouin/erbium doped fiber amplifier apparatus and method
09/16/2003US6621613 Adaptive pulse compressor
09/16/2003US6620748 An optical amplifying glass comprising a matrix glass and, added thereto, from 0.01 to 10 wt % of Er, characterized in that said matrix glass substantially comprises, as represented by mol %, 20 to 80 of Bi2O3, 0 to 74.89 of B2O3, 0
09/16/2003CA2098018C Device and method for polarisation-independent processing of a signal comprising a combined waveguide and polarisation converter
09/12/2003WO2003075420A1 Generating electronic carrier signals in the optical domain
09/12/2003WO2003075078A2 Laser tuning by spectrally dependent spatial filtering
09/12/2003WO2003060426A3 Imaging device for recording depth
09/12/2003WO2003049200A3 Electroluminescent device
09/12/2003WO2003043149B1 Electronically tunable laser using wavelength selective reflectors
09/12/2003WO2003029846A3 Optical fiber amplifier with reduced noise
09/12/2003WO2003007023A3 Control architecture and method for optical amplifiers
09/12/2003WO2002035667A3 Short cavity tunable laser with mode position compensation
09/11/2003US20030170162 As a source of stimulated emissions; may be suspended in liquids, and solids; formed into crystals, colloids and films; uniform particle sizes
09/11/2003US20030169986 Optical fiber, optical component, dispersion compensating fiber module, and optical communication system
09/11/2003US20030169966 Optical fiber light source
09/11/2003US20030169787 Photonic-crystal distributed-feedback and distributed bragg-reflector lasers
09/11/2003US20030169785 Wavelength-tunable laser apparatus