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)
06/1991
06/04/1991US5020911 Gas-tight material
06/04/1991US5020895 High power lasers
06/04/1991CA1284684C Device for a power laser
06/04/1991CA1284683C Optical amplifiers
06/02/1991CA2031372A1 Apparatus for controlling the compositions of a laser gas or gas mixture
05/1991
05/30/1991WO1991007789A1 Flow-type gas laser
05/29/1991EP0428924A2 Frequency detector for discriminating multi-longitudinal mode laser operation
05/29/1991EP0428923A2 Master oscillator power amplifier with interference isolated oscillator
05/29/1991EP0428748A1 Method of preventing erroneous projection of laser beam in a laser robot
05/29/1991EP0428744A1 Wavelength detector
05/29/1991EP0428741A1 Discharge tube for laser generator
05/29/1991EP0221102B1 Multi-resonator switching laser
05/29/1991CN2078051U Laser bar
05/29/1991CN1051794A Active-fiber optical amplifier having a wide pumping band and related active fiber
05/28/1991US5020153 Tunable narrowband receiver utilizing distributed Bragg reflector laser structure
05/28/1991US5020074 Laser alignment system
05/28/1991US5020073 Apparatus for aligning the optic axis of an intra-cavity birefringent element, and tunable laser using same
05/28/1991US5020071 Chemical process yielding stimulating emission of visible radiation via fast near resonant energy transfer
05/28/1991US5020070 Gas laser
05/28/1991US5020069 Coating platinum wire with platinum black, heating; carbon dioxide laser
05/28/1991US5020065 Semiconductor laser device
05/28/1991US5020064 Electromagnetic wave device
05/28/1991US5020063 Laser apparatus
05/28/1991US5020062 Apparatus and method for frequency modulating a waveguide laser
05/28/1991US5020061 Free electron laser with a gaseous medium wiggler and method to use this laser
05/28/1991US5018848 Laser beam transmitting apparatus
05/28/1991US5018842 Optical switch device
05/28/1991US5018831 Optical resonant device
05/22/1991EP0427856A1 Solid laser
05/22/1991EP0427849A1 Precision temperature sensor
05/22/1991EP0244474B1 Rf discharge suppression in low pressure gas devices
05/22/1991CN1051641A Electrooptical q switch with polarizer
05/21/1991WO1991007690A1 Optical amplifier
05/21/1991US5018163 Gatling gun laser pulse amplifier using an optical diode
05/21/1991US5018162 Compact excimer laser
05/21/1991US5018161 Compact excimer laser
05/21/1991US5018160 Dye system for dye laser applications
05/21/1991US5018153 Method and apparatus for correcting amplitude variation in electro-optic laser systems
05/21/1991US5018152 Apparatus for controlling pulse energy in a Q-switched laser system
05/21/1991US5018151 Laser control apparatus and method for frequency offset phase locking and the minimizing of retro-reflection effects
05/21/1991US5018150 Reflector switched lasers
05/21/1991US5018149 Free electron laser oscillator
05/21/1991US5017863 Electro-emissive laser stimulated test
05/21/1991US5017834 Simplified gaseous discharge device simmering circuit
05/21/1991US5017769 Surface particulate laser power limiter which generates a plasma
05/21/1991US5017499 Method for analyzing fluorine containing gases
05/21/1991CA1284372C Radiation deflector assembly
05/21/1991CA1284302C Method and apparatus of implanting living cells with foreign substance
05/16/1991WO1991006994A1 Phase-locked, fibre bundle excited, stacked slabs, laser system
05/16/1991WO1991006828A1 Dither signal remover for a dithered ring laser gyro
05/16/1991DE4036000A1 Optical laser diode amplifier - has geometry selected to provide small difference in wavelength between polarisation modes
05/16/1991DE3937493A1 Transverse gas flow laser with microwave excitation - has resonator chamber with parallel optical paths
05/16/1991DE3937492A1 Waveguide laser with microwave excitation - has energy directed through guides and into gas discharge resonator chamber
05/16/1991DE3937489A1 Cross flow gas laser with microwave excitation - has rectangular channel with gas flow ducts along sides and waveguide duct for microwave energy
05/16/1991DE3936946A1 Noble gas - halogen or halide excimer laser - with continuous high pressure gas discharge
05/15/1991EP0427320A2 Active-fiber optical amplifier having a wide pumping band and related active fiber
05/15/1991EP0427229A2 Laser
05/15/1991EP0427207A2 Narrow-band laser apparatus
05/15/1991EP0426993A2 Improved preionization electrode for pulsed gas laser
05/14/1991US5016254 Ammonia-helium complex, neon
05/14/1991US5016251 Q-switch driver
05/14/1991US5015964 Optical amplifiers
05/14/1991US5015619 Superconducting mirror for laser gyroscope
05/14/1991US5015348 High mass isotope separation arrangement
05/14/1991US5015051 Integrated single-mode isolator waveguide and application to a semiconductor laser
05/14/1991CA1284206C Non-tranform limited pulse locked radiation mode radiation generator with external cavity having non-linear transmission characteristic improving mode locking
05/11/1991CA2029702A1 Active-fiber optical amplifier and ytterbium doped fiber therefor
05/08/1991EP0426222A2 Active fiber optical amplifier having a wide band signal wavelength
05/08/1991EP0426221A1 Low-noise optical amplification unit with reflection of the pumping power
05/08/1991EP0426104A2 Laser wavelength measuring device
05/08/1991EP0426102A2 Laser device
05/08/1991EP0426013A2 Unlubricated bearings for gas lasers
05/08/1991EP0202322B1 Variable lens and birefringence compensator for continuous operation
05/07/1991US5014289 Long life electrodes for large-area x-ray generators
05/07/1991US5014282 Gas laser
05/07/1991US5014281 Gas laser
05/07/1991US5014279 Laser diode pumped, erbium-doped, solid state laser with high slope efficiency
05/07/1991US5014278 Method for the frequency stabilization of internal mirror type helium-neon laser oscillating at wavelength of 543 nm
05/07/1991US5014277 Laser mode-coupling via a pulsed modulator
05/07/1991US5014015 Ultra-short optical pulse source
05/07/1991US5013917 Imaging lidar system using non-visible light
05/07/1991US5013660 Method of implanting living cells with a foreign substance
05/07/1991US5013151 Variable beam width laser radar system
05/07/1991US5013144 Light source having a multiply conic lens
05/02/1991WO1991006140A1 Pulsed laser
05/02/1991WO1991006139A1 Diode pumped segmented fibre bundle coupled conical rod laser system
05/02/1991EP0425309A2 Electronically pulsed laser system
05/02/1991EP0425014A1 Amplifier for optical fiber telecommunication lines and optical fiber telecommunication lines incorporating said amplifier
05/02/1991EP0424514A1 Cadmium sulfide membranes
05/02/1991EP0424481A1 A heat dissipating device for laser diodes
05/02/1991EP0338023B1 Dither signal remover for a dithered ring laser angular rate sensor
05/02/1991CA2029019A1 Unlubricated bearings for gas lasers
05/01/1991CA2028803A1 Laser device
05/01/1991CA2028706A1 Laser wavelength measuring device
04/1991
04/30/1991US5012483 Narrow-bandwidth diffraction-limited coupled stable-unstable resonator laser cavity
04/30/1991US5012482 Gas laser and pumping method therefor using a field emitter array
04/30/1991US5012481 Flashlamp line replaceable unit
04/30/1991US5012480 Gas laser
04/30/1991US5012479 Ultraviolet metal vapor laser having hard sealed internal mirrors
04/30/1991US5012478 Monolithic multiple beam semiconductor laser
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