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)
07/1990
07/17/1990US4942366 Amplifier device with coupled surface emitting grating
07/17/1990US4942337 Spark gap apparatus triggerable by microwave pulse
07/17/1990US4941731 Corner cube utilizing generally spherical surfaces
07/17/1990US4941726 Tapered fiber amplifier
07/12/1990WO1990007809A1 A laser cathode composed of embedded laser gas molecules
07/12/1990DE3900641A1 Laser array
07/11/1990EP0377537A2 Circuit for providing fast output current control in a current mode switching power supply
07/11/1990EP0377207A1 Rod laser optically pumped by a source with a narrow emitting surface
07/11/1990EP0377206A1 Slab laser optically pumped by a source with a narrow emitting surface
07/10/1990US4941147 Ring resonators with intracavity grazing incidence telescopes
07/10/1990US4940686 Vanadium oxide support, platinum, iron or iron oxide
07/10/1990US4940411 Dental laser method
07/10/1990CA1271552A1 Wavelength selection device and method
07/10/1990CA1271551A1 Large volume gaseous electric discharge system
07/05/1990WO1990007810A1 A purely chemical process yielding continuous laser amplification in the visible and ultraviolet spectral ranges
07/05/1990DE3842993A1 Ignition device for water-cooled ring (toroidal, electrodeless) discharge tubes
07/05/1990CA2044600A1 Purely chemical process yielding continuous laser amplification in the visible and ultraviolet spectral ranges
07/04/1990EP0376369A1 Magnetooptical wave guide
07/04/1990EP0375861A2 Bimodal linear accelerator apparatus
07/04/1990CN1043589A Wave guide co2 laser with ring wave guide
07/04/1990CN1043588A Deformation-free hardly sealed lens laser device and its manufacture
07/04/1990CA2007009A1 Rod laser with optical pumping by a narrow emission band source
07/03/1990US4939739 Laser alignment servo method and apparatus
07/03/1990US4939738 High-power waveguide laser
07/03/1990US4939336 Method and apparatus for material processing with the aid of a laser
07/03/1990US4938561 Optical signal amplification with coupled fibers and optical pumping energy
07/03/1990US4938556 Superfluorescent broadband fiber laser source
07/03/1990CA2007010A1 Slab laser with optical pumping by a narrow emission band source
07/03/1990CA1271065A1 Dielectric optical waveguide device
06/1990
06/28/1990WO1990007191A1 Ultrasonic laser soldering
06/28/1990WO1990007062A1 Turbo-blower for laser and laser oscillator using the same
06/28/1990DE3843210A1 Oscillator for supplying a gas-discharge section
06/27/1990EP0375216A2 Optically pumped Lasers
06/27/1990EP0374880A2 Processes for enhancing fluorescence of tunable titanium-doped oxide laser crystals
06/27/1990EP0374444A1 Gas discharge device having an oscillator
06/27/1990EP0374287A1 Gas laser
06/27/1990CN1008581B Semiconductor laser amplifier of traveling wave
06/26/1990US4937838 Gas laser arrangement
06/26/1990US4937837 Gas laser device
06/26/1990US4937834 High-frequency discharge pumping laser device
06/26/1990US4937833 Analog frequency modulated laser using magnetostriction
06/26/1990US4937424 Laser machining apparatus
06/26/1990US4937422 Method of correcting laser output power
06/26/1990US4936665 High resolution imagery systems and methods
06/26/1990US4936660 Optical phase conjugation using stimulated brillouin scattering with multiple foci
06/21/1990DE3842492A1 Control circuit for a pulsed gas-discharge laser
06/21/1990CA2005952A1 Display apparatus
06/21/1990CA2004676A1 Turbo blower for laser and laser oscillating apparatus employing same
06/20/1990EP0373225A1 Optical semiconductor device and production thereof
06/19/1990US4935939 Surface emitting laser with monolithic integrated lens
06/19/1990US4935938 Solid state laser
06/19/1990US4935937 Abnormality detection device for laser oscillator piping system
06/19/1990US4935934 Mixed lanthanide-magnesium gallates and laser using monocrystals of these gallates
06/19/1990US4935933 Laser oscillator device
06/19/1990US4935932 Apparatus using induced birefringence to improve laser beam quality
06/19/1990US4935931 Laser mode locking apparatus
06/19/1990US4935930 Laser light source for generating beam collimated in at least one direction
06/19/1990US4935918 Optic system useful with metal service lines
06/19/1990US4934799 Multi-lens focussing arrangement for laser graphics imaging apparatus
06/13/1990EP0372907A2 Superfluorescent broadband fiber laser source
06/13/1990EP0372438A2 UV and plasma stable high-reflectance multilayer dielectric mirror
06/13/1990EP0372437A1 Laser comprising an active medium-fixing device
06/13/1990CN1008418B Solid laser system with high average power
06/13/1990CN1008399B Dither suspension mechanism for a ring laser angular rate sensor
06/12/1990US4933950 Generating method for free positronium radiation light and apparatus used in this method
06/12/1990US4933949 Arrangement for multiplexing and intensity splitting light beams for interface into fiber optic cables
06/12/1990US4933948 Dye laser solutions
06/12/1990US4933947 Frequency conversion of optical radiation
06/12/1990US4933946 Conductively cooled solid-state slab laser
06/12/1990US4933945 Arrangement for converting the frequency of a laser beam
06/12/1990US4933944 Laser mode locking method and apparatus
06/12/1990US4933943 Intracavity Raman cell resonator
06/12/1990US4933942 Free-electron laser with difraction grating resonator
06/12/1990US4933592 Mirror transducer control circuit
06/12/1990US4932775 FM laser transmitter
06/12/1990US4932754 Multilayer optical component
06/12/1990CA1270293A1 Modulated laser source for optical storage
06/07/1990DE3841045A1 Laser having homogeneous intensity distribution over the beam cross-section
06/06/1990EP0371781A2 High power laser with focusing mirror sets
06/06/1990EP0371423A2 Plural arc radiation protector
06/06/1990EP0371304A1 High-power radiation device
06/06/1990EP0371138A1 Discharge tube for a gas laser device
06/06/1990EP0371021A1 Helium-neon lasers.
06/06/1990EP0371014A1 Rf excited all metal gas laser.
06/06/1990CN1008246B Method for cleaing dirt estp. rust from metal surface
06/05/1990US4932031 Chromium-doped foresterite laser system
06/05/1990US4931637 Scanner utilizing a particular light guide
06/05/1990US4931616 Method for removing insulating coating of electric cable and apparatus therefor
06/05/1990US4930901 Method of and apparatus for modulating a laser beam
06/05/1990US4930887 Apparatus and method for aligning ring resonator
05/1990
05/31/1990WO1990006007A1 Process for operating a gas laser and gas laser so operated
05/31/1990DE3938688A1 Optisches filter fuer laserstrahlen und verfahren zu seiner herstellung Optical filters for laser beams, and process for its preparation
05/30/1990EP0370739A2 Multichannel cavity laser
05/30/1990EP0370620A2 Laser resonator with laser medium exhibiting thermally induced birefringence
05/30/1990EP0370443A1 Tunable semiconductor laser
05/30/1990EP0370110A1 Nc laser apparatus
05/30/1990EP0370071A1 Partly transparent mirror for a ring laser gyro.
05/30/1990CN1008220B Super wideband and tunable light beam polarization plane rotator
05/29/1990US4930138 Waveguide laser system
05/29/1990US4930137 Inorganic triple point screen