Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › 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)
02/2003
02/27/2003WO2003017439A2 Optical power transient control scheme for edfa amplifiers
02/27/2003WO2003017438A2 Cooling of high power laser systems
02/27/2003WO2003017005A1 Stable energy detector for extreme ultraviolet radiation detection
02/27/2003WO2003016996A1 Raman-amplifying method
02/27/2003WO2002099981A3 CALCIUM GALLIUM SULPHIDE (CaGa2S4) AS A HIGH GAIN ERBIUM HOST
02/27/2003WO2002075379A3 Optical components
02/27/2003US20030039459 Optical waveguides and devices including same
02/27/2003US20030039438 Four wave mixing reduction in raman amplifiers
02/27/2003US20030039293 Eye safe monolithic compact laser
02/27/2003US20030039292 Gas circulation fan for excimer laser apparatus
02/27/2003US20030039291 Gas discharge laser, method of operating a gas discharge laser, and use of a sintered filter
02/27/2003US20030039282 Integrated arrays of modulators and lasers on electronics
02/27/2003US20030039274 Method and apparatus for tissue treatment and modification
02/27/2003US20030039027 Shared pump and serial rare earth doped fiber optical amplifiers
02/27/2003US20030039026 Optical amplifier and gain tilt compensation method
02/27/2003US20030039025 Semiconductor laser module
02/27/2003US20030039015 Reconfigurable multi-channel transmitter for dense wavelength division multiplexing (DWDM) optical communications
02/27/2003US20030038179 Tunnel-based method of and system for identifying transported packages employing the transmission of package dimension data over a data communications network and the transformation of package dimension data at linear imaging subsystems in said tunnel-based system so as to enable the control of auto zoom/focus camera modules therewithin during linear imaging operations
02/27/2003US20030038121 Laser system and method for marking gemstones
02/27/2003DE20218513U1 Optical module made of sapphire for an excimer or F2 gas discharge laser
02/27/2003DE20218254U1 Gas discharge laser particularly excimer laser and F2 laser with dust removal feature
02/27/2003CA2397130A1 Optical transmission line and optical communication system
02/26/2003EP1286440A2 Semiconductor laser device
02/26/2003EP1286434A1 Laser amplifier system
02/26/2003EP1286433A1 Erbium-doped fibers for extended L-band amplification
02/26/2003EP1286432A2 Optical amplifier and gain tilt compensation method
02/26/2003EP1285891A1 Tellurite glass, optical amplifier and light source
02/26/2003EP1285718A1 Machine tool for machining workpieces by laser beam
02/26/2003EP1285479A1 Single photon source based on transmitters with selectively distributed frequencies
02/26/2003EP1285478A2 Phase control mechanism for coherent fiber amplifier arrays
02/26/2003EP1285291A2 Optical fiber
02/26/2003EP1285278A1 Silicon nanoparticles microcrystal nonlinear optical devices
02/26/2003CN1399810A Mode-selective facet layer for pump laser
02/26/2003CN1399809A Dual wavelength pumped waveguide amplifier
02/26/2003CN1399421A Gain balancing system and method in light transmission system
02/26/2003CN1399375A Semiconductor laser unit with laser acceptor to receive monitor laser beam
02/25/2003US6526088 Alignment-free solid laser apparatus
02/25/2003US6526086 Band narrowing laser
02/25/2003US6526085 Performance control system and method for gas discharge lasers
02/25/2003US6526084 Detection of F2-concentration for power stabilization of an F2-157 NM excimer laser by using red laser emission of F-atom
02/25/2003US6526073 CW far-UV laser system with two active resonators
02/25/2003US6526072 Wavelength conversion device composed of single-crystal lithium tetraborate, laser apparatus provided with the same and method of converting wavelength using the same
02/25/2003US6525873 Optical amplifiers with a simple gain/output control device
02/25/2003US6525872 Fiber grating-stabilized, semiconductor pump source
02/25/2003US6525871 Optical amplification apparatus
02/25/2003US6525870 Method and system for controlling Raman gain flatness sensitivity to pump laser wavelength variation
02/25/2003US6525869 Raman amplifier
02/25/2003US6525760 Method and apparatus for exposing an image recording medium
02/25/2003US6524544 Contacting contaminated fluid ammonia with adsorbent in vessel to transfer contaminants from ammonia to adsorbent, regenerating adsorbent by contacting with gaseous hydrogen and nitrogen formed by decomposing portion of purified ammonia
02/25/2003CA2269375C Laser with two orthogonal zig-zag slab gain media for optical phase distortion compensation
02/20/2003WO2003015120A1 Capacitive discharge plasma ion source
02/20/2003WO2003014810A2 Optical amplifier site with reduced noise
02/20/2003WO2003014782A2 An optical fiber thermal compensation device
02/20/2003WO2003014775A2 Optical amplifier having automatic gain control
02/20/2003WO2003014773A2 Dispersion managed discrete raman amplifiers
02/20/2003WO2003014771A2 Optical fiber amplifier
02/20/2003WO2002075866A3 Active optical device
02/20/2003WO2002031934A3 Wavelength tunable laser source
02/20/2003US20030035639 Amplification optical fiber and fiber optic amplifier including the same
02/20/2003US20030035638 High absorption erbium doped amplifying optical fiber
02/20/2003US20030035628 Tunable grating-based channel filter parking device
02/20/2003US20030035617 Method and apparatus for stabilizing laser wavelength
02/20/2003US20030035616 Add-drop multiplexer with signal amplification ability
02/20/2003US20030035461 Hand-supportable planar laser illumination and imaging (PLIIM) device employing a pair of linear laser diode arrays mounted about a linear image detection array, for illuminating an object to be imaged with a plurality of optically-combined spatially-incoherent planar laser illumination beams (PLIBS) and reducing the speckle-pattern noise power in detected linear images by temporally-averaging detected speckle-noise patterns during the photo-integration time period of said linear image detection array
02/20/2003US20030035460 Planar laser illumination and imaging (PLIIM) device employing a linear image detection array having vertically-elongated image detection elements, wherein the height of the vertically-elongated image detection elements and the F/# parameter of the image formation optics are configured to reduce speckle-pattern noise power through spatial-averaging of detected speckle-noise patterns
02/20/2003US20030035458 System for producing singlet delta oxygen and laser
02/20/2003US20030035448 Harmonic laser
02/20/2003US20030035447 All solid-state RGB and white light generator
02/20/2003US20030035446 Frequency selective tunable mirror and applications thereof
02/20/2003US20030035282 Light emitting device
02/20/2003US20030035216 Variable dispersion compensator
02/20/2003US20030035207 Dispersion managed discrete Raman amplifiers
02/20/2003US20030035206 Optical power transient control scheme for EDFA amplifiers
02/20/2003US20030035204 Two-stage L-band erbium-doped fiber amplifier and method thereof
02/20/2003US20030035203 Method and apparatus for dynamic optical gain tilting in L-band
02/20/2003US20030035202 Active gain equalization
02/20/2003US20030035184 Optical transmission system
02/20/2003US20030035091 Illumination apparatus, projection exposure apparatus, and device fabricating method
02/20/2003US20030034694 Switch control circuit of auto laser power control circuit
02/20/2003US20030034396 Method of speckle-noise pattern reduction and apparatus therefor based on reducing the spatial-coherence of the planar laser illumination beam before it illuminates the target object by applying spatial phase modulation techniques during the transmission of the PLIB towards the target
02/20/2003US20030034395 Planar light illumination and imaging (PLIIM) based system having a linear image detection chip mounting assembly with means for preventing misalignment between the field of view (FOV) of said linear image detection chip and the co-planar laser illumination beam (PLIB) produced by said PLIIM based system, in response to thermal expansion and/or contraction within said PLIIM based system
02/20/2003US20030034387 Object identification and attribute information acquisition and linking computer system
02/20/2003US20030034336 Laser machine tool with beam guide
02/20/2003CA2456629A1 Capacitive discharge plasma ion source
02/19/2003EP1284532A2 Semiconductor laser device and method for suppressing injection current
02/19/2003EP1284528A2 Distributed raman amplifier module auto-setup
02/19/2003EP1284527A2 Light source device for pumping solid-state laser medium
02/19/2003EP1284247A1 Tellurite glass, optical amplifier and light source
02/19/2003CN1398080A Raman light enlarging system
02/19/2003CN1398029A Utilizing locked laser for generating optical pulse series having high repetition rate
02/19/2003CN1398028A Corner pumping method for plate strip and its solid laser gain module
02/19/2003CN1397832A Polarized wave retaining optical fiber enlarged and optical enlarger
02/19/2003CN1397257A Multi-pulse laser or strong light emitting method
02/18/2003US6522796 Depolarizing polarization mode combiner
02/18/2003US6522681 Laser for the generation of narrow band radiation
02/18/2003US6522679 Gas laser discharge unit
02/18/2003US6522674 Pulsed laser control system
02/18/2003US6522486 Optical communication device and method of fixing optical module
02/18/2003US6522461 Optical pre-amplifier apparatus and method for receiver performing gain control according to LOS declaration
02/18/2003US6522460 Optical fiber amplifier control
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