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)
03/2003
03/13/2003US20030048523 Method and apparatus for fiber bragg grating production
03/13/2003US20030048497 Bit differential processing
03/13/2003US20030048349 For use in electronic industry
03/13/2003US20030047597 Programmable data element queuing, handling, processing and linking device integrated into an object identification and attribute acquisition system
03/13/2003US20030047546 Laser energy delivery system employing a beam splitter outputting a selectable number of sub-beams
03/13/2003CA2458619A1 Line selected f2 two chamber laser system
03/13/2003CA2458111A1 Laser lithography light source with beam delivery
03/13/2003CA2457869A1 Very narrow band, two chamber, high rep rate gas discharge laser system
03/12/2003EP1292056A2 A multi-channel optical loading channel transmitter
03/12/2003EP1291986A2 Apparatus and method for processing an optical signal
03/12/2003EP1291985A1 Gain flattening optical filter, optical amplifier comprising such an optical filter and method for manufacturing such an optical filter
03/12/2003EP1010219B1 Repetitively-pulsed solid-state laser having resonator including multiple different gain-media
03/12/2003CN1402897A High power gas discharge laser with helium purged line narrowing unit
03/12/2003CN1402896A Method for producing fiber laser
03/12/2003CN1402895A Optical device contg. fiber-optic component
03/12/2003CN1402391A Crystal electro-optical Q switch device
03/12/2003CN1402390A High-efficiency high power third harmonic wave laser generating technique
03/12/2003CN1402389A Laser resonator comprising columnar lens
03/12/2003CN1402388A Aperiodic optical super crystal lattice design method for carrying out quasi-phase match and related non-linear optical process
03/12/2003CN1402387A Super crystal lattice full-solid-state red, green and blue laser
03/12/2003CN1402386A Cylindrical arrangement double-clad optical fiber laser
03/12/2003CN1103130C Microcavity semiconductor laser
03/11/2003US6532248 Diode-laser side-pumped solid-state laser device
03/11/2003US6532247 Laser wavelength control unit with piezoelectric driver
03/11/2003US6532246 Excimer laser apparatus
03/11/2003US6532107 Optical amplifier, light source module and optical system
03/11/2003US6532106 All-optical gain controlled bidirectional add/drop optical amplifier
03/11/2003US6532105 Polarization and wavelength stable superfluorescent sources
03/11/2003US6532104 C-band and L-band optical amplifier for submarine transmission systems
03/11/2003US6532102 Optical amplifier
03/11/2003US6531420 Crystallization; optically doped with chromium oxide
03/11/2003CA2149215C Apparatus for, and method of, maintaining a clean window in a laser
03/06/2003WO2003019823A1 Four wave mixing reduction in raman amplifiers
03/06/2003WO2003019740A1 Improved tunable diode laser system, apparatus and method
03/06/2003WO2003019739A2 Suppression of mode-beating noise in a q-switched pulsed laser using novel q-switch device
03/06/2003WO2003019257A1 Optical fibre with high numerical aperture, method of its production, and use thereof
03/06/2003WO2003019250A1 Method for manufacturing an optical device having a cavity
03/06/2003WO2003018592A1 Optical gain media
03/06/2003WO2001069731A9 Compact, flexible, rapid-pulsed, molecular gas laser
03/06/2003US20030044159 High index-contrast fiber waveguides and applications
03/06/2003US20030044158 High index-contrast fiber waveguides and applications
03/06/2003US20030044114 Source wavelength shifting apparatus and method for delivery of one or more selected emission wavelengths
03/06/2003US20030044111 Multi-channel optical loading channel transmitter
03/06/2003US20030044103 Columnar optical device and method for manufacturing the same
03/06/2003US20030043876 Lithography laser with beam delivery and beam pointing control
03/06/2003US20030043872 Semiconductor laser device
03/06/2003US20030043866 Multiple reflectivity band reflector with non-uniform profile and laser system employing same for laser wavelength monitoring
03/06/2003US20030043864 Calibration focus position
03/06/2003US20030043863 Method and apparatus for generating optical pulses
03/06/2003US20030043454 Optical transmission apparatus, semiconductor laser device for use in optical transmission apparatus, and method for manufacturing semiconductor laser device
03/06/2003US20030043453 Noncollinearly pumped solid state raman laser
03/06/2003US20030042436 Discharge electrode and discharge electrode manufacturing method
03/06/2003US20030042430 Laser irradiation method, laser irradiation apparatus, and method of manufacturing a semiconductor device
03/06/2003US20030042315 Hand-supportable planar laser illumination and imaging (PLIIM) based camera system capable of producing digital linear images of a object, containing pixels having a substantially uniform white level independent of the velocity of the object while manually moving said PLIIM based camera system past said object during illumination and imaging operations
03/06/2003US20030042314 Hand-supportable planar laser illumination and imaging (PLIIM) device employing a pair of linear laser diode arrays mounted about an area image detection array, for illuminating an object to be imaged with a plurality of optically-combined spatially-incoherent planar laser illumination beams (PLIBS) scanned through the field of view (FOV) of said area image detection array, and reducing the speckle-pattern noise power in detected 2-D images by temporally-averaging detected speckle-noise patterns during the photo-integration time period of said area image detection array
03/06/2003US20030042309 Generalized method of speckle-noise pattern reduction and particular forms of apparatus therefor based on reducing the spatial-coherence of the planar laser illumination beam after it illuminates the target by applying spatial intensity modulation techniques during the detection of the reflected/scattered PLIB
03/06/2003US20030042304 Automatic vehicle identification and classification (AVIC) system employing a tunnel-arrangement of PLIIM-based subsystems
03/06/2003US20030042303 Automatic vehicle identification (AVI) system employing planar laser illumination imaging (PLIIM) based subsystems
03/06/2003US20030042230 Multiple beam micromachining system for removing at least two different layers of a substrate
03/06/2003CA2456445A1 Suppression of mode-beating noise in a q-switched pulsed laser using novel q-switch device
03/05/2003EP1289078A2 Optical transmission line and optical communication system
03/05/2003EP1289077A1 Dual core fiber with rare earth doped ring
03/05/2003EP1287594A2 Laser system for processing target material
03/05/2003EP1287593A1 Gas laser and optical system
03/05/2003EP1287592A1 Gas discharge laser with blade-dielectric electrode
03/05/2003EP1287591A1 Laser with a fiber optical waveguide
03/05/2003EP1183756B1 Laser clamping assembly and method
03/05/2003EP1169755B1 Thermal birefringence compensator for double pass laser
03/05/2003EP1025624B1 Diode pumped laser using gain mediums with strong thermal focussing
03/05/2003EP1008099A4 Optically-based methods and apparatus for performing document authentication
03/05/2003EP0796513B1 Compact diode pumped solid state laser
03/05/2003CN1401149A Codopant polymers for eficient optical amplification
03/05/2003CN1400957A Phosphorus silicate fibers suitable for extended band amplification
03/05/2003CN1400930A Method for the machining of workpieces by means of several laser beams
03/05/2003CN1400487A Non-linear optical crystal laser friquency variable grating coupler
03/05/2003CN1400481A Fiber, fiber element and light transmission method
03/05/2003CN1102808C Optical fiber amplifier with absorber
03/05/2003CN1102746C Optical isolator module and optical amplifier using the same
03/04/2003US6529675 Alkali phosphate glass doped with ytterbium and erbium; optical fibers; high power and increased slope efficiency; telecommunications
03/04/2003US6529672 Elimination of optical power limitation due to stimulated raman scattering in fiber optic links
03/04/2003US6529657 Angle selective side-pumping of fiber amplifiers and lasers
03/04/2003US6529543 Apparatus for controlling laser penetration depth
03/04/2003US6529540 Variable output coupling laser
03/04/2003US6529538 Gas laser oscillator apparatus
03/04/2003US6529533 Beam parameter monitoring unit for a molecular fluorine (F2) laser
03/04/2003US6529531 Fast wavelength correction technique for a laser
03/04/2003US6529328 Optical filter
03/04/2003US6529321 Protective overcoat for replicated diffraction gratings
03/04/2003US6529320 C and L band laminated fabric optical amplifier
03/04/2003US6529319 Automatic gain-controlled optical fiber amplifier
03/04/2003US6529318 Total internal reflection (TIR) coupler and method for side-coupling pump light into a fiber
03/04/2003US6529317 L-band erbium-doped fiber amplifier pumped by 1530 nm-band pump
03/04/2003US6529315 Optical amplifier providing dispersion compensation
03/04/2003US6529314 Method and apparatus using four wave mixing for optical wavelength conversion
03/04/2003US6529228 Laser working method, method for producing ink jet recording utilizing the same, and ink jet recording method produced by such method
03/04/2003US6528761 Apparatus for determining the position of the focal point in a laser machining system
03/04/2003US6528755 Light guide for laser welding
03/04/2003US6528339 Method of imparting birefringence in a III-V compound semiconductor
02/2003
02/27/2003WO2003017537A1 Optical amplifier
02/27/2003WO2003017440A2 Optical amplification system