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)
08/2000
08/24/2000CA2299137A1 Optical fiber amplifier and method of amplifying an optical signal
08/23/2000EP1030419A1 Wavelength tunable external cavity laser
08/23/2000EP1030418A1 Optical reflector and external cavity laser including such a reflector
08/23/2000EP1030416A2 Laser amplifier and laser oscillator
08/23/2000EP1030415A2 Optical fiber amplifier and method of amplifying an optical signal
08/23/2000EP1030414A1 Article comprising an l-band optical fiber amplifier
08/23/2000EP1030413A1 Article comprising a planar optical waveguide amplifier, and method of making same
08/23/2000EP1030412A1 Optical amplifier
08/23/2000EP1030195A1 Auto-aligned retroreflecting optical system for wavelength filtering, monochromator and laser using the same
08/22/2000US6108474 Optical pulse compressor for optical communications systems
08/22/2000US6108465 Optical pulse generator
08/22/2000US6108362 Broadband tunable semiconductor laser source
08/22/2000US6108357 Single head laser oscillator-amplifier
08/22/2000US6108356 Intracavity optical parametric oscillators
08/22/2000US6108138 Optical beam shaper, and radiation source unit and scanning device including said beam shaper
08/22/2000US6108123 Optical communication system and optical amplifier
08/22/2000US6107600 Laser machining apparatus
08/22/2000US6106743 Ordered optical film structure comprising: a substrate; a material disposed on said substrate; said material being a non-liquid crystal having a liquid crystalline molecular ordering.
08/22/2000CA2201622C Optical q-switching to generate ultra short pulses in diode lasers
08/17/2000WO2000048276A2 Fiber grating-stabilized, semiconductor pump source
08/17/2000WO2000048275A1 Silicon light-emitting device and method for the production thereof
08/17/2000WO2000048024A1 Laser ablation of waveguide structures
08/17/2000WO2000047361A1 Laser processing power output stabilization
08/17/2000DE19954873A1 Molecular fluorine laser, especially for vacuum ultraviolet lithography e.g. in microprocessor or dynamic random access memory production, has a discharge chamber filled with a molecular fluorine and neon buffer gas mixture
08/17/2000DE19950601A1 Pre-ionization device for gas laser
08/17/2000DE19950124A1 Molecular fluorine laser, useful for vacuum ultraviolet lithography, has a resonator comprising an etalon with maximum reflectivity for a selected emission line
08/17/2000DE10005357A1 Amplification system for pulsed optical beam, especially from Q-switched source or oscillator amplifier system, has amplification medium comprising externally excited and absorbent components
08/17/2000DE10003244A1 Laservorrichtung und Laserbearbeitungsvorrichtung Laser device and laser processing device
08/17/2000CA2361952A1 Laser ablation of waveguide structures
08/16/2000EP1028502A2 Smart laser with automated beam quality control
08/16/2000EP1028333A2 Multiple wavelength optical multiplexing device, multiple wavelength light source incorporating aforementioned device, and optical amplifier
08/16/2000EP1028327A2 Grating assembly with bi-directional bandwidth control
08/16/2000EP1028308A2 Gyro
08/16/2000EP1027756A1 Apparatus for generating orthogonally polarized beams having different frequencies
08/16/2000EP1027629A1 Soliton pulse generator
08/16/2000EP1027172A1 Protective overcoat for replicated diffraction gratings
08/16/2000CN2392281Y Q switch synchronous signal producer for ball gap discharge under lamp pump laser
08/16/2000CN1055588C Process and architecture for digital micromirror printer
08/15/2000US6104850 Semiconductor polarization mode converter having a diffraction grating
08/15/2000US6104848 WDM optical transmitter
08/15/2000US6104741 Semiconductor laser light source and solid-state laser apparatus
08/15/2000US6104737 Universal laser power controller in a gas ion laser system
08/15/2000US6104735 Gas discharge laser with magnetic bearings and magnetic reluctance centering for fan drive assembly
08/15/2000US6104734 Solid state laser apparatus
08/15/2000US6104733 Multi-stage optical fiber amplifier having high conversion efficiency
08/15/2000US6104529 Optical fiber communication system employing wide band crystal alloy light generation devices
08/15/2000US6104528 Optical fiber amplifier for achieving high gain of small signal
08/15/2000US6104527 High efficiency bandwidth doubled and gain flattened silica fiber amplifier
08/15/2000US6104526 Optical amplifier and a method of controlling the optical amplifier
08/15/2000US6104479 Laser system
08/15/2000CA2298171A1 Optical amplifier
08/10/2000WO2000046892A1 Ultrashort pulse light generating method using raman resonator and its device
08/10/2000WO2000046891A1 Laser with device for modifying the distribution of laser light intensity across the laser beam cross-section
08/10/2000WO2000046890A1 Gain flattening in fiber amplifiers
08/10/2000WO2000046889A1 Fiber amplifier
08/10/2000WO2000046888A1 Radiation generation method and device for realising the same
08/10/2000WO2000046619A1 Optical waveguide with multiple core layers and method of fabrication thereof
08/10/2000WO2000046578A1 Chiral twist laser and filter apparatus and method
08/10/2000WO2000033431A8 Electric discharge excitation excimer laser
08/10/2000WO2000031839B1 Optical fiber amplifier for controlling gain flatness
08/10/2000WO2000025393A3 Gas laser
08/10/2000DE19934013C1 Arc prevention device for gas laser pre-ionisation via corona discharge has corona electrodes with dielectric sheathing enclosing electrically conductive core positioned immediately adjacent main electrode pair
08/10/2000DE19903402A1 Noise reduction method involves measuring frequency and amplitude of noise signals during noise intervals, storing results, compensating for noise with signal with complementary profile
08/09/2000EP1026797A2 Raman amplifier with pump source
08/09/2000EP1026796A2 Laser oscillating apparatus, exposure apparatus using the same, and device fabrication method
08/09/2000EP1026795A2 Semiconductor laser-excitation solid-state laser oscillating device
08/09/2000EP1026540A1 Thermally adjustable optical fiber grating device with packaging for enhanced performance
08/09/2000EP1026538A2 Narrow band uv laser with visible light alignment laser
08/09/2000EP1025624A2 Diode pumped laser using gain mediums with strong thermal focussing
08/09/2000EP1025459A1 Multiple wavelength bidirectional lightwave amplifier
08/09/2000EP1025421A1 Path length controller bonding pattern
08/09/2000EP1025056A1 Low phonon energy glass and fiber doped with a rare earth
08/09/2000CN2391350Y Broadband laser power regulator
08/09/2000CN2391349Y Ring radio-frequency cavity exciting radial wave laser
08/09/2000CN1262447A Optical fibre for light amplifier
08/08/2000US6101211 Narrow-band laser apparatus
08/08/2000US6101208 Nd:YAG laser pump head
08/08/2000US6101207 Dye laser
08/08/2000US6101203 Function element using quantum interference effect
08/08/2000US6101202 Semiconductor laser module
08/08/2000US6101201 Solid state laser with longitudinal cooling
08/08/2000US6101199 High power high efficiency cladding pumping fiber laser
08/08/2000US6101026 Reversible amplifier for optical networks
08/08/2000US6101025 Optical repeater having redundancy
08/08/2000US6101024 Nonlinear fiber amplifiers used for a 1430-1530nm low-loss window in optical fibers
08/08/2000US6101021 Optical pulse generator
08/08/2000US6101019 Optical scanner using multiple half mirrors to combine multiple optical beams
08/08/2000US6101014 Wavelength controlling method enabling use of wider wavelength range and network system using the method
08/08/2000US6100973 Methods and apparatus for performing microanalytical techniques using photolithographically fabricated substrates having narrow band optical emission capability
08/08/2000US6100516 Velocity measurement device and laser range finder using a coherent detection
08/08/2000US6099805 Singlet-delta oxygen generator
08/08/2000US6098264 Method of assembling laser and modulator unit
08/03/2000WO2000045481A1 High-power waveguide lasers
08/03/2000WO2000045480A1 High-repetition rate passively mode-locked solid-state laser
08/03/2000WO2000045479A1 Balanced gain flattening filters
08/03/2000WO2000045478A2 Rare-earth doped phosphate-glass lasers
08/03/2000WO2000045477A1 Method to optimize rare earth content for waveguide lasers and amplifiers
08/03/2000WO2000045197A2 Improved ion exchange technology for fabrication of waveguide source lasers
08/03/2000WO2000036713A3 Method for controlling the wavelength of an optical fiber-based light source
08/03/2000WO2000007054A9 Apparatus and method for producing an improved laser beam