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)
11/1999
11/02/1999US5978394 Wavelength system for an excimer laser
11/02/1999US5978392 Wavelength-conversion laser
11/02/1999US5978391 Wavelength reference for excimer laser
11/02/1999US5978141 Optical mirror particularly suited for a quantum well mirror
11/02/1999US5978131 In-fiber two-stage amplifier providing WDM signal conditioning
11/02/1999US5978130 Dual-band fiber optic amplification system using a single pump source
11/02/1999US5978121 Method and device for the optical transmission of data over distances in space
11/02/1999US5976903 Method for manufacturing tunable laser
11/02/1999CA2149156C Semiconductor laser having integrated waveguiding lens
10/1999
10/28/1999WO1999054971A1 Optical fibre laser
10/28/1999WO1999054970A2 Resonator array for solid-state lasers
10/28/1999WO1999054765A1 Optical fiber, light-emitting module, and optical fiber amplifier
10/28/1999DE19842413C1 Gas supply with gas mixer, receptacles and pressure reducer
10/28/1999DE19823745C1 Fluid-tight holder for laser rod
10/28/1999DE19822065C1 All solid-state diode-pumped laser system for producing red laser radiation especially for laser display technology
10/28/1999CA2266289A1 A method and apparatus for controlling optical signal power in response to faults in an optical fiber path
10/27/1999EP0952642A2 High average power solid-state laser system with phase front control
10/27/1999EP0952641A2 Solid state laser resonator
10/27/1999EP0952437A2 Laser output detector
10/27/1999EP0951746A2 Diode-pumped solid-state laser with an exchangeable pumping module
10/27/1999CN2346094Y Power automatic tracking stabilizer for laser
10/27/1999CN1233094A Laser frequency converter with unparallel light flux plane and its manufacture
10/27/1999CN1233093A Displacement self-sensing helium-neon laser system and its embodiment method
10/27/1999CN1233092A Birefrigent double-frequency laser without frequency tolerance blocking and its frequency tolerance accuracy control method
10/26/1999US5974074 Laser system for optical free
10/26/1999US5974072 High energy airborne coil laser
10/26/1999US5974062 Laser drive method, laser drive system, and radiation image read-out apparatus
10/26/1999US5974061 Laser pump cavity apparatus with improved thermal lensing control, cooling, and fracture strength and method
10/26/1999US5974060 Multi-mode laser oscillator with large intermode spacing
10/26/1999US5974059 Frequency doubled fiber laser
10/26/1999US5973824 Amplifier comprising waveguide made from low phonon energy glass doped with dysprosium and a pump light for optical pump power of the waveguide to raise dy ions to specific energy levels, resulting in a 1.3um emission when decaying
10/26/1999US5973808 Comprising input optical fiber for receiving signal light, erbium-doped optical fiber for amplifying the received signal, wavelength division multiplexer, pumping soyrce, excited light input fiber, dielectric multilayer filter
10/26/1999US5973290 Laser apparatus having improved via processing rate
10/26/1999US5972756 Method of fabricating semiconductor device with a fuse portion
10/26/1999US5971755 Laser instrument
10/26/1999US5970729 Cooling apparatus
10/24/1999CA2270102A1 Wavelength monitoring system
10/21/1999WO1999053579A1 Side pumped laser
10/21/1999WO1999052647A1 Non-planar micro-optical structures
10/21/1999WO1999052341A2 Optical refrigerator using reflectivity tuned dielectric mirror
10/21/1999WO1999027400A3 Temperature stabilization of optical waveguides
10/21/1999DE19816377A1 Generating discharges between two or more electrodes for e.g. a gas laser
10/20/1999EP0951111A2 Polarisation based mode-locking of a laser
10/20/1999EP0950274A1 Gas laser device and integrated gas purifying means
10/20/1999CN2344897Y Half nonplanar solid ring laser
10/20/1999CN1232192A 光学放大器 Optical amplifiers
10/19/1999US5970318 Charge transfer complex or a thiophene derivative polymer, flexible displays.
10/19/1999US5970198 Optically amplifying fiber and optical fiber amplifier
10/19/1999US5970197 Optical fiber for reducing optical signal reflections
10/19/1999US5970082 Very narrow band laser
10/19/1999US5970079 Spectral range from 2.8 microns to 3.1 microns, garnet
10/19/1999US5970078 Laser drive circuit
10/19/1999US5970077 Apparatus for efficiently transforming a single frequency, linearly polarized laser beam into principally two orthogonally polarized beams having different frequencies
10/19/1999US5970076 Wavelength tunable semiconductor laser light source
10/19/1999US5969851 Apparatus for controlling the position and direction of a laser beam
10/19/1999US5969799 Exposure apparatus with a pulsed laser
10/19/1999US5969335 Laser control system for use in laser processing machine utilizing laser-induced plasma detecting system
10/19/1999US5968383 Laser processing apparatus having beam expander
10/19/1999US5966938 Peltier control circuit and a peltier device structure
10/14/1999WO1999052184A1 Laser having an electrode assembly including arc suppression means
10/14/1999WO1999052015A1 Photonic signal frequency conversion using a photonic band gap structure
10/14/1999WO1999052008A1 Beam shaping optics for diverging illumination, such as produced by laser diodes
10/14/1999WO1999051537A1 Antimony oxide glass with optical activity
10/14/1999WO1999043121A3 Communications link optical amplification and dispersion compensation
10/14/1999DE19910725A1 Aperture for high density laser radiation minimizes absorption heating
10/14/1999DE19815362A1 Parasitic charge carrier grating modification in optically nonlinear materials especially during frequency doubling of laser radiation
10/14/1999DE19815065A1 HF-angeregter Gaslaser sowie Laserrohr für einen derartigen Gaslaser RF excited gas lasers and laser tube for such a gas laser
10/14/1999CA2327297A1 Antimony oxide glass with optical activity
10/14/1999CA2327170A1 Photonic signal frequency conversion using a photonic band gap structure
10/13/1999EP0949730A2 Short pulse laser system
10/13/1999EP0949729A2 Laser module with external cavity and optical fibre reflector
10/13/1999EP0916175A4 Electrostatic precipitator for a gas discharge laser
10/13/1999EP0696094B1 Laser electron-beam tube
10/13/1999CN1231779A Hybrid optical amplifier having improved gain tilt
10/12/1999US5966491 Cladding-pumped fiber structure
10/12/1999US5966481 Optically pumped optical waveguide amplifier
10/12/1999US5966480 Article comprising an improved cascaded optical fiber Raman device
10/12/1999US5966399 Vertical cavity surface emitting laser with integrated diffractive lens and method of fabrication
10/12/1999US5966398 Blower for a gas laser
10/12/1999US5966393 Hybrid light-emitting sources for efficient and cost effective white lighting and for full-color applications
10/12/1999US5966392 Butt-coupling pumped single-mode solid-state laser with fiber-coupled diode
10/12/1999US5966391 Long cavity laser system including frequency doubling long cavity fiber optic laser system
10/12/1999US5966390 Passively mode-locked short pulse laser
10/12/1999US5966237 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
10/12/1999US5966236 Optical signal channel counter and optical amplification device using the same
10/12/1999US5965976 Gas discharge lamps fabricated by micromachined transparent substrates
10/12/1999US5965915 Laser processing method, method for forming a flash memory, insulated gate semiconductor device and method for forming the same
10/12/1999CA2165611C Device for in-line regeneration of a soliton transmitted signal by synchronously modulating the solitons using a nonlinear optical mirror
10/07/1999WO1999050979A2 Optical fibre amplifier having a controlled gain
10/07/1999WO1999050978A2 Optical fiber amplifier having a gain flattening filter
10/07/1999WO1999050941A1 Broadband sagnac raman amplifiers and cascade lasers
10/07/1999WO1999050938A1 Improved performance gain flattened edfa
10/07/1999WO1999050937A1 Optical amplifier with wide flat gain dynamic range
10/07/1999WO1999050709A1 Wavelength conversion crystal and method for generating laser beam, and apparatus for generating laser beam
10/07/1999WO1999034177A3 Ring laser gyroscope with migration resistant dielectric material
10/07/1999DE19914362A1 Pulsed laser emission timing controller for semiconductor exposure apparatus
10/07/1999DE19814199A1 Verfahren und Vorrichtung zur abstimmbaren Frequenzkonversion Method and apparatus for tunable frequency conversion
10/07/1999DE19811371A1 Tunable fiber laser with rare-earth doped active core
10/07/1999CA2367325A1 Broadband sagnac raman amplifiers and cascade lasers
10/07/1999CA2326224A1 Optical fibre amplifier having a controlled gain
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