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)
11/1989
11/02/1989WO1989010642A1 Laser
11/02/1989WO1989010641A1 Gas laser
11/02/1989WO1989010640A1 Laser resonator
11/02/1989EP0339896A2 Laser crystals for generating infrared emission with high quality beam penetration
11/02/1989EP0339868A1 Ring laser with improved beam quality
11/02/1989EP0339840A2 Optical communications system comprising raman amplification means
11/02/1989EP0339543A2 Piezo-electrically tuned optical resonator and laser using same
11/02/1989EP0339274A1 Neutral sputtered films of metal alloy oxides
11/02/1989EP0339128A1 Laser with a multiple-path resonator
11/02/1989EP0339085A1 Optical device using stimulated brillouin scattering
11/02/1989DE3913188A1 Laser resonator
11/02/1989DE3813569A1 Gas laser
11/02/1989DE3813482A1 Vorrichtung zur erzeugung von laserimpulsen einstellbarer dauer The apparatus for generating laser pulses of adjustable duration
10/1989
10/31/1989US4878227 Device for a modular power laser
10/31/1989US4878224 Microporous inorganic glass monolith with sealed outer surfaces; contains dye
10/31/1989US4877952 Faser cavity optical memory with optical storage and readout
10/26/1989DE3812920A1 Device for adjusting the adjustable mirror socket of a CO2 laser
10/25/1989EP0338904A1 Method and device to improve the directivity of the emission of a laser diode
10/25/1989EP0338023A1 Dither signal remover for a dithered ring laser angular rate sensor.
10/24/1989US4876694 External cavity slab lasers
10/24/1989US4876693 Integrated laser head and low inductance pulse forming circuit for pulsed gas lasers
10/24/1989US4876692 Microwave-pumped atomic gas laser
10/24/1989US4876691 Ion laser
10/24/1989US4876690 Metal vapor laser apparatus
10/24/1989US4876689 Output voltage detecting device in a laser oscillator
10/24/1989US4876687 Short-period electron beam wiggler
10/24/1989US4876029 Substituted and unsubstituted ring-bridged para-oligophenylene UV laser dyes
10/19/1989WO1989010019A1 Glass laser
10/19/1989WO1989010018A1 Laser with variable-direction output beam
10/19/1989WO1989010017A1 Discharge tube for a gas laser device
10/19/1989WO1989010004A1 Plasma x-ray tube, in particular for x-ray preionizing gas lasers, process for producing x-ray radiation with said x-ray tube and use of said x-ray tube
10/19/1989WO1989010003A1 Plasma x-ray tube, in particular for x-ray preionizing of gas lasers, and use as electron gun
10/19/1989WO1989009945A1 Optical switch device
10/19/1989WO1989009925A1 Scatter symmetrization in multi-mode ring laser gyros
10/19/1989WO1989008340A3 Laser amplifier
10/19/1989DE3810604A1 Gas laser
10/19/1989DE3810601A1 Gas laser
10/18/1989EP0337688A2 Phase-locked array of semiconductor lasers using closely spaced antiguides
10/18/1989EP0336972A1 Laser device
10/18/1989EP0336967A1 Beam bender for laser beam machining
10/18/1989CN1005513B Hyperbolic type discharge tube used for gas laser device
10/17/1989US4875220 Laser tube for polarized laser emission
10/17/1989US4875219 Phase-conjugate resonator
10/17/1989US4875218 Thin-film coated waveguide laser
10/17/1989US4875215 Fibre communication laser system
10/17/1989CA1262308A1 Passive cavity gyro bias eliminator
10/11/1989EP0336665A2 Laser resonator system
10/11/1989EP0336282A1 Plasma X-ray tube, especially for X-ray-preionization of gas lasers, method for generating X-rays with such an X-ray tube and usage of the latter
10/10/1989US4873695 Laser with discharge in a turbulent transverse flow
10/10/1989US4873693 Apparatus and method for suppressing diffraction rings in a laser
10/10/1989US4873692 Pulsed tunable solid state laser
10/10/1989US4873691 Wavelength-tunable semiconductor laser
10/05/1989WO1989009506A1 Broadband optical fiber laser
10/05/1989WO1989009505A1 Four-pass phase conjugate optical amplifier system and method
10/05/1989WO1989009504A1 Crystal modulated laser with improved resonator
10/05/1989WO1989009503A1 Electrooptical semiconductor device assembly
10/05/1989WO1989009491A1 Device mounting
10/05/1989WO1989009421A1 Optical semiconductor device and production thereof
10/05/1989DE3810306A1 Laser device producing emission in the infrared band
10/04/1989EP0335820A1 Compact distributed inductance rf-excited waveguide gas laser arrangement
10/04/1989EP0335744A1 Semiconducting device mounting
10/04/1989EP0335691A1 Electrooptical semiconductor device assembly
10/04/1989EP0334964A1 Beam bender for laser beam machining
10/04/1989EP0334963A1 Method of controlling laser power
10/03/1989US4872181 Laser resonator with laser medium exhibiting thermally induced birefringence
10/03/1989US4872179 Laser apparatus with a multipass resonator
10/03/1989US4872178 Output voltage detecting device in a laser oscillator
10/03/1989US4872177 Laser diode pumped solid state laser
10/03/1989US4872176 Device and method for monitoring a light-emitting device
10/03/1989US4872175 Semiconductor laser device having a lens-like refractive index distribution within the stripe
10/03/1989US4872173 Method and apparatus for stabilizing the spectral characteristics of a semiconductor laser diode
10/03/1989US4871916 Sensing of methane
10/03/1989US4871253 Readout apparatus for a laser angular rate sensor
10/03/1989US4871250 Beam monitor for a high-output laser
10/03/1989US4871244 Movable member mounting
10/03/1989US4871230 Fiber optics
10/03/1989CA1262179A1 Closed loop all fiber optic gyroscope with differential frequency propagation
09/1989
09/27/1989EP0334403A1 Single frequency adapter for laser
09/26/1989US4870654 Generation of multiply folded optical paths
09/26/1989US4870652 Monolithic high density arrays of independently addressable semiconductor laser sources
09/26/1989US4870649 Tranverse mode control in solid state lasers
09/26/1989US4870275 Circulating raman-media laser radar method and apparatus for remote measurement of gases in the atmosphere
09/26/1989US4869592 Method and apparatus for obtaining a digital measure of absolute rotation
09/26/1989US4869579 Optical apparatus and method for beam coupling useful in light beam steering and spatial light modulation
09/26/1989CA1261448A1 Monomode optical fiber ring interferometric device
09/26/1989CA1261447A1 Method and apparatus for generating coherent radiation
09/26/1989CA1261407A1 Fiber optic beam delivery system for high-power laser
09/26/1989CA1261046A1 Dual-wavelength laser apparatus
09/26/1989CA1261044A1 Dither signal remover for a dithered ring laser angular rate sensor
09/26/1989CA1261043A1 Dither signal remover for a dithered ring laser angular rate sensor
09/26/1989CA1260594A1 Path length control mechanization for a ring laser angular rate sensor
09/26/1989CA1260530A1 Transversely excited gas laser and method for the operation thereof
09/26/1989CA1260126A1 Dither suspension mechanism for a ring laser angular rate sensor
09/26/1989CA1260088A1 High-power pulse transformer for short high-voltage and/or high-current pulses
09/21/1989WO1989008856A1 Optical device, process for manufacturing such an optical device and laser arrangement comprising such device
09/21/1989WO1989008818A1 Cavity length control apparatus for a multioscillator
09/21/1989DE3807709A1 Method for adjusting a laser resonator, and a laser having a device for adjusting a laser resonator
09/20/1989EP0333573A1 Process for obtaining an organic polycrystalline material, notably with electro-optical properties
09/20/1989EP0332836A1 Short laser pulse generation method and apparatus
09/20/1989CN1035742A Semiconductor laser amplifier of traveling wave