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)
12/1991
12/25/1991CN1015221B Pulse preionizing tube-strip electron
12/24/1991US5075893 Unpolarized laser oscillators
12/24/1991US5074669 Method and apparatus for evaluating ion implant dosage levels in semiconductors
12/24/1991US5074633 Optical communication system comprising a fiber amplifier
12/17/1991US5073897 With helium and nitrogen, of less than scientific purity
12/17/1991US5073896 Cryogenic cooling to condense gases in traps; reuse of buffer gases
12/12/1991WO1991019337A1 Laser system
12/12/1991WO1991019336A1 Ion laser and manufacturing process
12/12/1991DE4018640A1 Argon ion laser with laser gas of helium - contg. small amount of argon yet achieving increased number of excited argon ions
12/12/1991DE4018006A1 Laser with gas mode aperture - has scattering lens aperture and absorbs energy of modes masked by aperture between active medium and decoupling mirror
12/11/1991EP0460978A1 High power laser with active mirror
12/11/1991EP0460247A1 Solid state laser with HF excited pumping light source and integrated cooling system
12/10/1991US5072191 High-voltage pulse generating circuit, and discharge-excited laser and accelerator containing such circuit
12/10/1991US5072135 Power laser pulse generator
12/10/1991US5071416 Method of and apparatus for laser-assisted therapy
12/05/1991DE4015447C1 Laser power meter - uses polarisation-sensitive semi-transparent mirrors as beam splitter and reflector for diversion of beam
12/04/1991EP0459685A2 Multi-stage optical amplifier
12/04/1991EP0459650A2 Semiconductor laser pump source
12/04/1991EP0459514A2 Optical amplifiers, optical communication system and networks using the amplifier and integrated optical nodes including the amplifier
12/04/1991EP0459503A2 Narrow band excimer laser apparatus
12/04/1991EP0459494A2 Method and apparatus for detecting wavelength of laser beam
12/04/1991EP0459491A2 Gas laser apparatus
12/04/1991CN2090118U High-power narrow inpulse duration and wave packet high frequency pulse solid laser
12/04/1991CN1015039B Mixed lanthanum-magnesium aluminates, their production process and lasers using these aluminates
12/03/1991US5070513 Transverse discharge excited laser head with three electrodes
12/03/1991US5070512 Interference fit laser disk
12/03/1991US5070509 Surface emitting, low threshold (SELTH) laser diode
12/03/1991US5070507 Three micron laser
12/03/1991US5070506 Aluminum and zirconium and/or hafnium, oscillators, amplifiers mechanical strength and chemical resistance
12/03/1991US5070505 Self-doubling micro-laser
12/03/1991US5069527 Apparatus for measuring the mode quality of a laser beam
12/03/1991CA1292797C Solid state microlaser
12/02/1991WO1991019413A1 An improved frequency standard using an atomic stream of optically cooled atoms
12/02/1991CA2083943A1 Frequency standard using an atomic stream of optically cooled atoms
12/02/1991CA2043582A1 Method and apparatus for detecting wavelength of laser beam
12/02/1991CA2043556A1 Narrow band excimer laser apparatus
12/02/1991CA2043512A1 Gas laser apparatus
11/1991
11/28/1991WO1991018434A1 Erbium-doped fibre amplifier with shaped spectral gain
11/28/1991WO1991018433A1 Halogen generator
11/28/1991WO1991018317A1 Generation of harmonics from laser output
11/28/1991DE4016579A1 Laser with modulating mirror vibrated by ultrasonic oscillator - has reflecting coating formed on end of massive metallic block constituting part of axially vibrating rod
11/27/1991EP0458681A1 Laser device, in particular for therapeutic applications
11/27/1991EP0458576A2 Laser apparatus
11/27/1991EP0458256A1 Unit for amplifying signals of light in optical fiber transmission lines
11/27/1991EP0458140A1 High power radiator
11/27/1991EP0457846A1 Microchip laser
11/27/1991CN2089663U Rotary reflect laser output device
11/27/1991CN2089662U Water cutoff protector for laser cooling device
11/26/1991US5068864 Laser frequency stabilization
11/26/1991US5068861 Etalon apparatus
11/26/1991US5068860 Helical wiggler device with permanent magnets for application to free electron lasers
11/26/1991US5068546 Solid state laser operating with frequency doubling and stabilized by an external resonator
11/26/1991US5067789 Fiber optic coupling filter and amplifier
11/26/1991CA1292546C Frequency adding lasers and optical amplifiers
11/26/1991CA1292545C Scatter symmetrization in multi-mode ring laser gyros
11/26/1991CA1292544C Common mirror triaxial ring laser gyroscope having a single internal cathode
11/22/1991CA2042810A1 Laser device for therapeutic use
11/21/1991EP0457745A2 Halogen-compatible high-frequency discharge apparatus
11/21/1991EP0457590A2 Solid state laser oscillator
11/21/1991EP0457523A2 Apparatus and method for pumping of a weakly absorbing lasant material
11/21/1991EP0457479A2 Nonlinear external cavity modelocked laser
11/21/1991EP0457349A2 Fiber optic amplifier
11/21/1991EP0457061A1 Phased coupled waveguide laser
11/21/1991EP0457024A2 Measure of laser-power
11/21/1991EP0456875A1 Waveguide laser
11/21/1991DE4015861A1 Selective-beam excimer laser - generates parallel beams in discharge chamber using independently-adjustable input reflectors
11/20/1991CN2089211U Full internal cavity construction of constant spectrum line co2 laster
11/19/1991US5067135 Gas laser apparatus
11/19/1991US5067134 Resonator Cavity Comprising A Glass Composition Of Heavy Metal Fluorides Including Thulium Fluoride
11/19/1991US5066293 Light amplifier and method of photothemolysis
11/19/1991CA1292286C Method and apparatus for equalizing power output in a laser marking system
11/17/1991WO1991017966A1 Wave-guiding structure with lasing properties
11/14/1991WO1991017594A1 Regenerative amplifier with phase locked laser rod arrays
11/14/1991WO1991017483A1 Illumination device
11/13/1991EP0456422A2 Sagnac optical logic gate
11/13/1991EP0455991A2 Method for generating short laser pulses and laser for carrying out the method
11/12/1991US5065407 Diffraction filtered large mode laser resonator
11/12/1991US5065405 Sealed-off, RF-excited gas lasers and method for their manufacture
11/12/1991US5065330 Numerical control system for laser
11/12/1991US5065329 Laser oscillator control method for changing a currently executing command program
11/12/1991US5065046 Pump beam and signal beam impinge on potassium niobium oxide crystal and interact to produce optical energy at idler and signal wavelengths at the expense of optical energy of the impinging pump beam wavelength
11/09/1991WO1991017474A1 Optical signal regenerator and optical communications system incorporating same
11/09/1991CA2082389A1 Optical signal regenerator and optical communications system incorporating same
11/06/1991EP0455449A2 Full color upconversion display
11/06/1991EP0455383A2 Internally-doubled, composite-cavity microlaser
11/06/1991EP0455199A2 Red, green, blue upconversion laser pumped by single wavelength infrared laser source
11/06/1991EP0455024A2 Optical amplifier
11/06/1991EP0454865A1 Optical amplifier
11/06/1991CN1014664B Gas laser electric discharge equipment and electric discharge method thereof
11/05/1991WO1991018432A2 Couplers for terminating optical fiber ends
11/05/1991US5063566 Evaporated aluminum oxide strip for separating harmonic conversion means from gain medium
11/05/1991US5063321 Torsional vibration drive
11/05/1991US5062842 Isotopic co2 laser and method of use for medical treatment
11/05/1991CA2081558A1 Couplers for terminating optical fiber ends
11/05/1991CA1291817C Short-period electron beam wiggler
11/03/1991WO1991017593A1 Optical waveguide laser
11/03/1991CA2041580A1 Optical amplifier
10/1991
10/30/1991EP0454566A1 Electron-pumped compact semiconductor laser
10/30/1991EP0454399A2 Single frequency laser
10/30/1991EP0454152A2 Method of manufacturing nozzle plate for ink jet printer
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