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)
11/1992
11/24/1992	US5166818 Optical pulse-shaping device and method, and optical communications station and method
11/24/1992	CA2043072A1 Device for making surgical incisions with combined thermal and ionizing laser beams
11/24/1992	CA1310696C Alternating sequential half duplex communication system
11/19/1992	EP0514283A2 Laser diode for producing an output optical beam in a direction substantially perpendicular to epitaxial layers
11/19/1992	EP0513909A1 Rapidly scanning cathode-ray tube/scanning laser
11/19/1992	EP0513191A1 Doped crystalline compositions and a method for preparation thereof.
11/19/1992	EP0302094B1 Wavelength locked laser light source
11/19/1992	DE4213349A1 Connector for locked connection between two components - connects tubular component with sleeve type component by resilient elements with annular elements in-between
11/19/1992	CA2068775A1 Optical system, particularly an optical communication transmission system with optical control of an optical amplifier or wavelength conversion of the optical signals to be transmitted
11/18/1992	CN2122442U Hard sealed laser tube
11/17/1992	US5164953 Population inversion by excited energy level absorption
11/17/1992	US5164952 Electrically pumped gas laser suitable for high input power
11/17/1992	US5164947 Single-frequency, frequency doubled laser
11/17/1992	US5164946 Birefringent filter for use in a tunable pulsed laser cavity
11/17/1992	US5164892 Pulse electric power unit
11/17/1992	US5164823 Imaging lidar system employing multipulse single and multiple gating for single and stacked frames
11/17/1992	US5164041 Nonsemiconductor laser
11/17/1992	CA1310392C Laser cathode composed of embedded laser gas molecules
11/15/1992	CA2068573A1 Glass media made of halides, containing trivalent uranium ions and process for the fabrication of this media
11/14/1992	CA2068348A1 Single frequency, long tail solid state laser interferometer system
11/12/1992	WO1992020127A1 External cavity laser
11/12/1992	WO1992020126A1 Device for sensing abnormality in bearing of blower for gas laser
11/12/1992	WO1992020125A1 Praseodymium doped waveguide lasers
11/12/1992	WO1992020124A1 Optically pumped waveguide
11/12/1992	DE4112160A1 Carbon di:oxide gas laser with diffusion coolant - has coolant tube around discharge tube and power supply electrodes on outside of tube
11/11/1992	EP0512816A2 Laser resonator assembly
11/11/1992	EP0512753A2 Optical frequency second harmonic generator
11/11/1992	EP0512573A1 Improved technique for laser cavity pumping
11/11/1992	EP0512561A2 Optical wavelength converting apparatus
11/11/1992	EP0512450A2 Wavelength variation measuring apparatus
11/11/1992	EP0512265A1 Mirror transducer apparatus
11/10/1992	US5163065 Be coated cathode with high concentration of BeO
11/10/1992	US5163062 Method of frequency shifting using a chromium doped laser transmitter
11/10/1992	US5163061 Method of frequency shifting using a chromium doped laser transmitter
11/10/1992	US5163059 Mode-locked laser using non-linear self-focusing element
11/10/1992	US5163058 Semiconductor laser pump source
11/10/1992	US5162940 Multiple energy level, multiple pulse rate laser source
11/10/1992	US5162936 Apparatus for monitoring the operation of an optical repeater
11/10/1992	US5162870 Substrate for ring laser gyro with nonuniform outer rim
11/10/1992	US5162268 Vanadium garnet materials in the MnO-CaO-V2 03 -SiO2 system
11/10/1992	CA1310098C Faraday magnet for the reduction of multi-oscillator bias thermal sensitivity
11/05/1992	DE4114407A1 Determining and fixing wavelength in air of light source - using control loop with many-valued characteristic with defined steps and evaluating thermodynamic parameters to eliminate ambiguity
11/05/1992	DE4114200A1 Optical element wavelength tuning device - uses tuning element supporting optical element with outer element and relatively displaced inner element
11/04/1992	EP0368925B1 Light amplifier with ring-shaped guided beam, in particular ring laser diode
11/04/1992	CN1018971B Synchronistically automatic control device for laser oscillation amplifier chain
11/04/1992	CN1018966B Quasi-optical gyrotron
11/03/1992	US5161238 Apparatus for confining laser beams
11/03/1992	US5161165 Multimode stabilized external cavity laser
11/03/1992	US5161164 Semiconductor laser device
11/03/1992	US5161050 Optical amplifier with bent, single-mode active fiber
10/1992
10/29/1992	WO1992019051A1 A terminal for a frequency divided, optical communication system
10/29/1992	WO1992019028A1 Pulsed gas discharge laser system
10/29/1992	WO1992016014A3 Method and apparatus for concave substrates
10/29/1992	DE4213457A1 Neodymium laser with 1.44 micron output
10/29/1992	DE4113796A1 TE-carbon di:oxide laser gas mixt. - esp. contg. hydrogen for increased peak power extn. and gain switch pulse prodn. efficiency
10/29/1992	DE4113354A1 Optisch gepumpter wellenleiter The optically pumped waveguide
10/28/1992	EP0511083A1 Optical fibre amplifiers telecommunications system for long distance signal transmission
10/28/1992	EP0511069A1 Optical amplifier in the spectral range from 1.26 to 1.34 micron
10/28/1992	EP0511059A1 Method and apparatus for controlling the transverse magnetic field in an undulator for the generation of light from an electron beam
10/28/1992	EP0510901A2 Optical amplifiers involving single crystal waveguides
10/28/1992	EP0510883A2 Planar optical device
10/28/1992	EP0510688A1 Discharge excitation pulsed laser oscillation device
10/28/1992	EP0510664A1 Discharge-pumped gas laser with independent preionizing circuit
10/28/1992	EP0510605A1 Discharge-pumped gas laser with baffle partition for controlled laser gas flow at preionizers
10/28/1992	EP0510203A1 Laser cutting machine
10/28/1992	EP0510157A1 Laser apparatus
10/28/1992	EP0510124A1 Improving material properties.
10/28/1992	EP0510118A1 Unidirectional, planar ring laser with birefringence
10/28/1992	EP0288496B1 Repetitive pulsed raman cell with vibrating blade gas circulation
10/27/1992	US5159605 Semiconductor-laser-pumped, solid-state laser
10/27/1992	US5159602 Method of and apparatus for providing a high powered ultraviolet laser beam with high repetition frequency
10/27/1992	US5159601 Method for producing a tunable erbium fiber laser
10/27/1992	US5159402 Optical sensor safety system for monitoring laser crystals and optical components
10/27/1992	US5159172 Optical projection system
10/27/1992	CA1309482C Laser mode-coupling via a pulsed modulator
10/22/1992	DE4112946A1 Gepulstes gasentladungslasersystem Pulsed gas discharge laser system
10/21/1992	EP0509577A1 An active fiber optical amplifier for a fiber optics telecommunication line
10/21/1992	EP0390874B1 Hollow cathode glow discharge ring laser block and electrode structure for ring laser angular rate sensors
10/21/1992	CN1065558A Automatic tracking method for selection of single longitudinal mode, q regulating and mode locking
10/21/1992	CN1018787B Low-noise optical-fibre amplification unit with reflection of pumping power
10/21/1992	CN1018781B High-power pulse solid laser power source
10/20/1992	US5157684 Optically pulsed laser
10/20/1992	US5157683 Laser systems
10/20/1992	US5157682 Integrated semiconductor laser device
10/20/1992	US5157681 Wavelength-tunable distributed Bragg reflector semiconductor laser
10/20/1992	US5157677 Single frequency, long tail solid state laser interferometer system
10/20/1992	US5157676 Apparatus and process for active pulse intensity control of laser beam
10/20/1992	US5157674 Second harmonic generation and self frequency doubling laser materials comprised of bulk germanosilicate and aluminosilicate glasses
10/20/1992	US5157545 Laser amplifier chain
10/20/1992	US5157544 Waveguide optical element and its driving method
10/20/1992	US5157272 Pulse forming networks
10/20/1992	US5156999 Packaging method for semiconductor laser/detector devices
10/20/1992	CA1309155C Ring laser
10/15/1992	WO1992017801A2 Solid state optical converter
10/15/1992	DE4218795A1 Optical system comprising laser diode and diffractive collimator - uses two gratings impacted by cone of laser emission successively on opposite sides of axis
10/15/1992	DE4210774A1 Semiconductor chip alignment for laser repair - using laser repair target which is sensed in X=ray directions to enable corresp. shifts to be computed
10/15/1992	DE4112456A1 Discharge arrangement for high pressure pulsed gas laser - incorporates larger storage capacitors and smaller peaking capacitors for decoupling of spark gaps in pre-ionisation regions
10/14/1992	EP0508880A1 Erbium doped fibre optic optical amplifier
10/14/1992	EP0508421A2 Dither apparatus
10/14/1992	EP0508406A2 Laser beam generating apparatus

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