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

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)
10/2002
10/10/2002	WO2002078749A2 Atmospheric pressure rf plasma source using ambient air and complex molecular gases
10/10/2002	WO2002061980A9 Open-path/free-space optical communication system and method using reflected or backscattered light
10/10/2002	WO2002058198A3 Broadband optical amplifier
10/10/2002	WO2002045475A3 Protective overcoat for replicated diffraction gratings
10/10/2002	US20020146873 Beam homogenizer and laser irradiation apparatus
10/10/2002	US20020146052 Room-temperature source of single photons based on a single molecule
10/10/2002	US20020146047 Method and apparatus for waveguide optics and devices
10/10/2002	US20020145796 Band-expanding method for optical amplifiers and optical transmission apparatus
10/10/2002	US20020145795 Gain flattening with nonlinear sagnac amplifiers
10/10/2002	US20020145794 Method and an apparatus for amplitude equalization of a plurality of optical signals
10/10/2002	US20020145793 Pumping source having a number of pump lasers for Raman amplification of a WDM signal with the aid of minimized four-wave mixing
10/10/2002	US20020145774 Telecommunications switch using a Laser-CRT to switch between multiple optical fibers
10/10/2002	DE10116855A1 Electromagnetic radiation source with adjustable polarization level uses two superimposed incoherent partial beams
10/10/2002	DE10116076A1 Optical amplifier comprises amplifying regions in amplifying medium, birefringent beam displacer, and element for changing polarization
10/10/2002	DE10112806C1 Pumpquelle mit erhöhter Pumpleistung zur optischen breitbandigen Raman-Verstärkung Pump source with increased pump power to the optical broadband Raman amplification
10/10/2002	DE10108955A1 Acquiring degree of wear of lens arrangement, in laser processing head, involves acquiring scattered beam acting on arrangement to form starting signal
10/09/2002	EP1248392A2 Optical amplifier device and bidirectional wavelength division multiplexing optical communication system using the same
10/09/2002	EP1248389A2 Method and apparatus for measuring Raman gain
10/09/2002	EP1248334A2 Methods and system for automatic raman gain control
10/09/2002	EP1248332A1 Laser oscillating device
10/09/2002	EP1248331A1 L-band optical fiber amplifier
10/09/2002	EP1248296A1 Semiconductor laser element
10/09/2002	EP1247782A2 Dispersal of optically active ions in glass
10/09/2002	EP1247315A2 Optical gain fibers
10/09/2002	EP1161782B1 Generation of stabilised, ultra-short light pulses and the use thereof for synthesising optical frequencies
10/09/2002	EP1129335A4 Contaminant identification and concentration determination by monitoring the intensity of the output of an intracavity laser
10/09/2002	EP0781463B1 Semiconductor laser source
10/09/2002	CN1373920A Compact optical amplifier with integrated optical waveguide and pump source
10/09/2002	CN1373539A Ring laser device
10/09/2002	CN1373538A Single-frequency solid laser device with pyramid prism and non-planar unidirectional travelling wave ring cavity
10/09/2002	CN1373381A Bidirectional light amplifier module
10/09/2002	CN1092411C Votlage-regulating dc power supply for high power laser
10/09/2002	CN1092253C Preparing of rare-earth iron doped LN, LT optical super lattice material and its use
10/08/2002	US6463201 Light amplification optical fiber and light amplifier using the same
10/08/2002	US6463086 Molecular fluorine laser with spectral linewidth of less than 1 pm
10/08/2002	US6463084 Device for on-line control of output power of vacuum-UV laser
10/08/2002	US6463083 Laser radiation device employing a fiber laser capable of emitting a laser beam including two or more wavelength components
10/08/2002	US6462864 Dual substrate laminate-configured optical channel for multi-fiber ribbon form factor-compliant integrated multi-channel optical amplifier
10/08/2002	US6462862 Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier
10/08/2002	US6462861 Optical amplifying apparatus and optical communication system
10/08/2002	US6462307 Process for producing an intensity distribution over a working laser beam and a device for this purpose
10/06/2002	CA2378761A1 Dispersal of optically active ions in glass
10/04/2002	CA2378069A1 Method and system for automatic raman gain control
10/03/2002	WO2002078135A2 Optical filter device for temperature dependence control
10/03/2002	WO2002078097A2 Optical amplifiers
10/03/2002	WO2002077698A1 Semiconductor laser device
10/03/2002	WO2002077686A1 Multi-channel light source with high-power and highly flattened output
10/03/2002	WO2002061959A3 Open-path laser/optical communication systems and methods utilizing wavelengths between atmospheric and gaseous absorption lines
10/03/2002	WO2002029943A3 Wide bandwidth fiber raman amplifier
10/03/2002	WO2002021735A3 Pump power monitor system and method for gain control of optical amplifier
10/03/2002	WO2001064010A3 Optical amplifier and optical transmission system
10/03/2002	US20020142465 Processing cell or viable tissue; obtain cell or viable tissue, expose to radiation from laser, monitor preferential activity in cell
10/03/2002	US20020141728 Method for centering a core of a wave guide amplifier
10/03/2002	US20020141722 Apparatus and method for holding an optical fiber component during optical fiber alignment
10/03/2002	US20020141718 High power high efficiency cladding pumping fiber laser
10/03/2002	US20020141703 Loss compensating optical splitter
10/03/2002	US20020141698 Pump light source device for optical Raman amplification and optical Raman amplification system using the same
10/03/2002	US20020141695 Method and apparatus for a dynamic gain equalizer for an erbium doped fiber amplifier
10/03/2002	US20020141474 Narrow band excimer or molecular fluorine laser having an output coupling interferometer
10/03/2002	US20020141471 Resonator arrangement for bandwidth control
10/03/2002	US20020141470 Injection locking type or MOPA type of laser device
10/03/2002	US20020141464 Wavelength control device for laser device
10/03/2002	US20020141457 Method for operating Q-switched lasers with intracavity frequency conversion
10/03/2002	US20020141048 Two fiber support with single optical amplifier
10/03/2002	US20020141046 Optical amplifier device and bidirectional wavelength division multiplexing optical communication system using the same
10/03/2002	US20020141045 Optical fiber amplifier
10/03/2002	US20020141044 Optical amplifier and monitoring method of optical amplifier
10/03/2002	US20020141043 Gain saturation tuning in optical amplifiers
10/03/2002	US20020141042 Optical amplification apparatus
10/03/2002	US20020140927 Method and apparatus for measuring Raman gain, method and apparatus for controlling Raman gain, and Raman amplifier
10/02/2002	EP1246377A2 Optical amplifying and relaying system
10/02/2002	EP1246324A2 White light source
10/02/2002	EP1246322A2 Method and apparatus for minimising gain deviation in optical fibre amplifier
10/02/2002	EP1246321A2 Cladding-pumped 3-level fiber laser/amplifier
10/02/2002	EP1246320A2 Thulium-doped fiber amplifier
10/02/2002	EP1245973A1 Optical fiber terminations, optical couplers and optical coupling methods
10/02/2002	EP1245972A2 Optical fiber and optical transmission line using the same, and optical transmission system
10/02/2002	EP1245137A1 Method and device for laser drilling organic materials
10/02/2002	EP1245063A1 Long band optical amplifier
10/02/2002	EP1244534A1 Energy-efficient, laser-based method and system for processing target material
10/02/2002	EP1117984A4 Contaminant identification and concentration determination by monitoring the wavelength of the output of an intracavity laser
10/02/2002	DE10111969A1 Multiplexer zur Realisierung von nicht-äquidistanten Abständen zwischen den Pumpenwellenlängen in Breitband Raman Verstärkern Multiplexer for the realization of non-equidistant intervals between the pump wavelengths in broadband Raman amplifiers
10/02/2002	CN1372163A Thulium doped optical fibre amplifier for raising conversion efficiency of S-bandwidth by pumping light
10/02/2002	CN1372162A 增益固定型光纤放大器 Fixed gain fiber amplifier
10/02/2002	CN1372155A Laser optical fibre coupler
10/01/2002	US6459846 Complex rare-earths doped optical waveguide
10/01/2002	US6459829 Multiple wavelength excitation optical multiplexing device, multiple wavelength excitation light source incorporating aforementioned device, and optical amplifier
10/01/2002	US6459720 Excimer laser
10/01/2002	US6459717 Continuous wave all gas phase iodine laser (AGIL)
10/01/2002	US6459529 Optical systems and methods and optical amplifiers for use therein
10/01/2002	US6459528 Optical passive components and bi-directional amplifier
10/01/2002	US6459527 Optical amplifier apparatus and control method thereof, and optical transmission system using optical amplifier apparatus
10/01/2002	US6459526 L band amplifier with distributed filtering
10/01/2002	US6459071 Laser assembly for material processing
10/01/2002	US6459068 Laser device, laser machining device and optical amplifier
10/01/2002	CA2308228C Fibre grating stabilized diode laser
10/01/2002	CA2056925C Optical fiber amplifier and coupler
09/2002
09/29/2002	CA2374557A1 Method and apparatus for minimising gain deviation in optical fibre amplifiers
09/26/2002	WO2002076170A2 A method of producing an optical fibre amplifier
09/26/2002	WO2002075974A2 Wavelength stabilisation in optical communications systems

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