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)
12/1992
12/29/1992US5174826 Laser-assisted chemical vapor deposition
12/29/1992US5174072 Optical surface polishing method
12/24/1992DE4219169A1 Tunable small band laser - has bandwidth of first parametric oscillator reduced using wavelength selective grating before use as injection seeding in second oscillator
12/24/1992DE4217811A1 Laser beam cutting device for cutting PCB holes - has reflector arrangement ensuring uniform beam distribution over mask surface
12/23/1992EP0519648A2 Gain switchable optical fiber amplifier
12/23/1992EP0519078A1 Laser beam generator
12/23/1992EP0422122B1 Improved unitary solid-state laser
12/23/1992EP0362372B1 Crystal modulated laser with improved resonator
12/23/1992CN2125886U Common catelectrode multi-light beam laser
12/22/1992US5173957 Pump redundancy for optical amplifiers
12/22/1992US5173918 High power laser having staged laser adjoint pulsed feedback
12/22/1992US5173917 Pulsed ring lasers using adjoint coupling control
12/22/1992US5173916 Optically pulsed laser having coupled adjoint beams
12/22/1992US5173915 Semiconductor laser device
12/22/1992US5173911 Mixed silicates of yttrium and lanthanide and laser using monocrystals of these silicates
12/22/1992US5173910 Resonant cavity, CR-doped MG2SIO4 laser rod, diode of GA AL AS, frequency doubler crystal
12/22/1992US5173908 System for automatically adjusting the GVD of a Gires-Tournois interferometer
12/22/1992US5173907 Modelocked high power laser having an adjoint feedback beam
12/22/1992US5173745 Cluster dither apparatus
12/22/1992US5173584 Method and apparatus for monitoring the working of a workpiece with pulsed laser radiation
12/22/1992US5173456 Phosphate glass useful in high energy lasers
12/22/1992CA1311860C Device mounting
12/22/1992CA1311635C Optical device
12/20/1992CA2067464A1 Optically pumped up converting light source
12/17/1992DE4119027A1 Water-cooled gas laser tube with radial fins - ensures heat transfer from laser tube into coaxial duct to which extremities of fins are bonded
12/16/1992EP0518735A1 Raman laser
12/15/1992US5172392 Apparatus for the analysis in continuous mode and in impulse mode of the distribution of energy within a power laser beam and the alignment of this latter
12/15/1992US5172391 Polarization controlling system for lasers
12/15/1992US5172390 Pre-aligned diode laser for external cavity operation
12/15/1992US5172389 Gas laser apparatus
12/15/1992US5172388 Method and apparatus for an increased pulse repetition rate for a CW pumped laser
12/15/1992US5172387 Single spectral line laser
12/15/1992US5172386 Dye laser amplifier including a specifically designed diffuser assembly
12/15/1992US5172382 Ultrahigh frequency optical self-modulator
12/15/1992US5172263 Multi-pass laser amplifier system
12/15/1992US5172185 Device for determining or stabilizing the wavelength of laser light in a gaseous ambient medium
12/15/1992CA1311548C Rare gas-halogen excimer laser
12/10/1992WO1992022110A1 Laser transmitter particularly for generating ultrasonic waves, and use thereof in a contactless nondestructive testing device
12/10/1992WO1992022108A1 Laser dyes including water-soluble coumarin derivatives
12/09/1992EP0517532A2 Optical wavelength shifter
12/09/1992EP0517518A2 Apparatus and method for wavelength conversion of coherent light
12/09/1992EP0517503A2 Optical amplifier
12/09/1992EP0517440A2 Article or system comprising a Si-based optical device
12/09/1992EP0517266A2 Laser
12/09/1992EP0517187A2 Wideband optical amplifier-receiver system
12/09/1992EP0517186A2 Wideband optical amplifier-receiver utilizing two electrode optical amplifier
12/09/1992EP0516920A1 Circulation type gas purification apparatus and method of operating the same
12/09/1992EP0516919A1 Gas circulation type gas laser apparatus and method of operating the same
12/09/1992EP0516843A1 Optical amplifier.
12/09/1992EP0344210B1 Getter assembly
12/08/1992WO1992022109A1 Laser beam scanning apparatus and method
12/08/1992US5170458 Optical fiber light-amplifier system
12/08/1992US5170457 Optical fibers with preset stimulated backward Brillouin scattering thresholds
12/08/1992US5170447 Optical communication system with a fiber-optic amplifier
12/08/1992US5170409 Laser resonator assembly
12/08/1992US5170406 High-power, end-pumped solid state laser
12/08/1992US5170224 Laser wavelength measuring device
12/08/1992CA2070317A1 Wideband optical amplifier-receiver system
12/07/1992CA2070316A1 Wideband optical amplifier-receiver utilizing two electrode optical amplifier
12/05/1992CA2066000A1 Apparatus for wavelength conversion of laser light
12/03/1992DE4214145A1 Cooling device for gas laser - has cooling pipes contained in annular flow space in abutting spirals
12/02/1992EP0516397A1 Pulsed laser
12/02/1992EP0516332A2 Electrically tunable fiber ring laser
12/02/1992EP0516312A2 Single spectral line laser
12/02/1992EP0516116A2 Solid-state tunable pulse laser
12/02/1992EP0515968A2 Method of operating a semiconductor laser as mode synchronized semiconductor laser
12/02/1992EP0515439A1 Laser with beam-intensity adjustment device.
12/02/1992EP0515410A1 Solid state laser diode light source.
12/02/1992EP0370071B1 Partly transparent mirror for a ring laser gyro
12/01/1992WO1992022111A1 Optically controlled semiconductor laser
12/01/1992US5168504 For use in gas discharge devices
12/01/1992US5168503 Harmonic generator
12/01/1992US5168401 Brightness conserving optical system for modifying beam symmetry
12/01/1992US5168400 Laser pulse stacking method
12/01/1992US5168393 Simplified design
12/01/1992US5168392 Dye laser amplifier
12/01/1992US5168391 Dye laser amplifier including an improved window configuration for its dye beam
12/01/1992US5168390 Dye laser amplifier including a dye cell contained within a support vessel
12/01/1992US5168389 Dye laser amplifier including a low turbulence, stagnation-free dye flow configuration
12/01/1992US5168324 Wavelength meter having elliptical wedge
12/01/1992CA1311040C Laser fluid flow control apparatus and method
12/01/1992CA1311039C Optical amplifier with reduced nonlinearity
11/1992
11/26/1992WO1992021169A1 Algaas diode pumped tunable chromium lasers
11/26/1992WO1992020288A1 Device for making surgical incisions with combined thermal and ionizing laser beams
11/26/1992WO1992017801A3 Solid state optical converter
11/26/1992DE4117072A1 Differential absorption appts. using light wave radar - contains laser light source with simultaneous stable radiation in two longitudinal modes and rapid tuning, and achieves heterodyne reception by mode superimposition
11/25/1992EP0515179A2 Optical amplifiers
11/25/1992EP0515083A1 Single frequency laser system emitting pulses followed by a long tail
11/25/1992EP0515080A2 Externally modulated laser source for array illumination
11/25/1992EP0514758A2 Laser light generator
11/25/1992EP0514686A2 Optical information transmission system with optical control of an optical amplifier or with wavelength conversion of the optical signal
11/25/1992EP0514409A1 Optical fibre light source
11/24/1992US5166949 Method and apparatus for suppressing off-axis modes in laser and ring laser gyroscopes
11/24/1992US5166948 Optically pumped up converting light source
11/24/1992US5166947 Method of removing contaminants
11/24/1992US5166944 Laser beam scanning apparatus and method
11/24/1992US5166943 Single domain stabilization in ferroelectric crystals
11/24/1992US5166941 Single mode pulsed dye laser oscillator
11/24/1992US5166940 Fiber laser and method of making same
11/24/1992US5166821 Reduction of non-linear effects in optical fiber communication systems and method of using same