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)
04/2000
04/02/2000CA2284393A1 Semiconductor optical amplifier
03/2000
03/30/2000WO2000018043A1 Method and system for detecting loss of signal in wavelength division multiplexed systems
03/30/2000WO2000018020A2 Gain control and shaping of edfas via dual cavity gain control
03/30/2000WO2000017970A1 Stable multi-fold telescopic laser resonator
03/30/2000WO2000017969A1 Truncated ridge waveguide for all-metal slab gas laser excitation
03/30/2000WO2000017613A1 Optical phase detector
03/30/2000DE19943370A1 High-power wide-band fiber-optic light source, has fiber optic portion pumped by amplified spontaneous emission light from other optical fiber portion
03/30/2000DE19942905A1 Verfahren und Vorrichtung zur Stabilisierung der Winkel- und Raumlage eines Laserstrahls Method and apparatus for stabilizing the angular and spatial position of a laser beam
03/30/2000DE19843752A1 Led-gepumpter Hochleistungslaser Led pumped high-power laser
03/30/2000CA2341726A1 Gain control and shaping of edfas via dual cavity gain control
03/29/2000EP0989734A2 Apparatus for routing hoses and cables in an imaging system
03/29/2000EP0989693A1 Optical amplification system including an Erbium-Ytterbium co-doped fiber
03/29/2000EP0989640A2 Q-switched laser apparatus
03/29/2000EP0989639A2 LED pumped high power laser
03/29/2000EP0989638A1 Pump device for pumping an actice fiber of an optical amplifier and corresponding optical amplifier
03/29/2000EP0989447A2 Optical switching gate
03/29/2000EP0989440A1 Double-pass acousto-optical device and laser
03/29/2000EP0988916A1 Laser device, preferably laser machining device
03/29/2000EP0741923B1 Optically pumped laser apparatus
03/29/2000CN2371700Y He-Ne laser tube
03/29/2000CN1248808A Q switching laser device
03/29/2000CN1248706A Optical fibre light source with high power and wide waveband
03/29/2000CA2282914A1 Double-passage acousto-optical device and laser
03/28/2000US6044099 Semiconductor laser device
03/28/2000US6044093 Fibre-grating-stabilized diode laser
03/28/2000US6043931 Optical transmission system with dynamic compensation of the power transmitted
03/28/2000US6043930 Optical amplifier and optical fiber applicable to optical amplifier
03/28/2000US6043929 Adiabatic waveguide amplifier
03/28/2000US6043928 Robust multi-wavelength optical fiber communication systems
03/28/2000US6043920 Method and apparatus for laser communication through a lossy medium
03/28/2000US6043883 Wavemeter and an arrangement for the adjustment of the wavelength of the signals of an optical source
03/28/2000US6041610 Optical refrigerator using reflectivity tuned dielectric mirrors
03/28/2000CA2171337C Optical pulse sequence generator
03/23/2000WO2000016454A1 Electroluminescent solid state device
03/23/2000WO2000016453A1 Tunable laser
03/23/2000WO2000015732A1 Structurally ordered articles, fabrication method and applications of the same
03/23/2000WO2000002291A8 Optical gain equalizer, and optical amplifier and wavelength-division multiplex transmitter both comprising the optical gain equalizer
03/23/2000WO2000001044A9 High stability fiber light source
03/23/2000DE19936422A1 Langwelliger optischer Faserverstärker Long-wave optical fiber amplifier
03/23/2000CA2343306A1 Structurally ordered articles, fabrication method and applications of the same
03/23/2000CA2282972A1 Variable output coupling laser
03/23/2000CA2247874A1 Variable output coupling laser
03/22/2000EP0987799A2 Laser system using phase change material for thermal control
03/22/2000EP0987738A2 High frequency energy supply apparatus and high frequency electrodeless discharge apparatus
03/22/2000EP0987487A1 Block for expanding and mixing gases
03/22/2000EP0986848A1 Laser systems using phase conjugate feedback
03/22/2000EP0986847A1 Solid laser with one or several pump light sources
03/22/2000EP0986844A1 Method and device for reducing the pump light in a sheat-pumped fiber laser output
03/22/2000CN2370594Y Plate type wave guide gas laser
03/22/2000CN1248350A Laser device
03/22/2000CN1248084A Radial wave laser
03/22/2000CA2282943A1 Raman fiber laser
03/22/2000CA2282941A1 Optical amplifying unit and optical transmission system
03/22/2000CA2282940A1 Pump device for pumping an active fiber of an optical amplifier and corresponding optical amplifier
03/22/2000CA2282117A1 Optical switching gate
03/21/2000US6041072 Apparatus for stabilizing multiple laser sources and their application
03/21/2000US6041070 Resonant pumped short cavity fiber laser
03/21/2000US6041069 Laser device tuned by forming a refractive index grating in optical fiber
03/21/2000US6040938 Semiconductor optical amplifier
03/21/2000US6040554 Welding robot control system
03/21/2000US6039632 Solid state lasers
03/16/2000WO2000014909A1 Method and apparatus for optical system link control
03/16/2000WO2000014835A1 Intracavity doubled laser and method
03/16/2000WO2000014834A1 Excimer laser with pulse multiplier
03/16/2000WO2000013839A1 Laser radiation source
03/16/2000WO1999066607A3 Fiber-optic compensation for dispersion, gain tilt, and band pump nonlinearity
03/16/2000DE19908516A1 Solid body laser device for producing laser light comprises a light-permeable tube for solid body laser medium, a semiconductor laser and a diffusion medium
03/16/2000CA2341674A1 Method and apparatus for optical system link control
03/15/2000EP0986150A1 Multiple element, folded beam laser
03/15/2000EP0986149A2 Optical amplifier
03/15/2000EP0986148A2 Laser
03/15/2000EP0986147A2 Excitation of gas slab lasers
03/15/2000EP0985952A1 Image display and light-emitting device
03/15/2000EP0985941A2 Reconfigurable optical fiber grating with enhanced temperature sensitivity cladding
03/15/2000EP0985286A1 Communications apparatus comprising optical amplifier
03/15/2000EP0985257A1 Single mode laser
03/15/2000EP0985158A1 Fluorinated rare earth doped glass and glass-ceramic articles
03/15/2000EP0984844A1 Laser marking system and method of energy control
03/15/2000EP0541658B1 High power light source
03/15/2000CN1247655A Optical fiber amplifier having variable gain
03/15/2000CN1247642A Fiber amplifier with reduced temp. dependent gain flatness distortion
03/15/2000CN1247387A Semiconductor device and packed articles and mfg. method
03/15/2000CN1247328A Light amplifier optical transmission equipment, optical transmission system and relative method
03/15/2000CN1050422C Method of measuring sizes of mold and mold-associated components by laser measuring instrument
03/14/2000US6038244 Semiconductor excitation solid-state laser apparatus
03/14/2000US6038241 Pulsed-laser with first-pulse control
03/14/2000US6038240 Method and solid-state laser system for generating laser pulses with a variable pulse repetition frequency and constant beam characteristics
03/14/2000US6038239 Tunable alignment-stable laser light source having a spectrally filtered exit
03/14/2000US6038075 Laser irradiation apparatus
03/14/2000US6038063 Optical amplifier and optical transmission system including the optical amplifier
03/14/2000US6038062 Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path
03/14/2000US6038061 Doped fiber amplifier using bidirectional pumping with pump lights having different frequencies
03/14/2000US6038055 Method and device for generating phase-coherent light pulses
03/14/2000US6037967 Short wavelength pulsed laser scanner
03/14/2000US6037285 Infrared transmitting optical fiber materials
03/14/2000US6036321 Crystal isolation housing
03/14/2000CA2173059C Microoptical device
03/09/2000WO2000013313A1 Optical amplifiers and optical transmission line
03/09/2000WO2000013272A1 Electromagnetic drive system and method for gas laser fans
03/09/2000WO2000013271A1 Tangential fan with cutoff assembly and vibration control for electric discharge laser
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