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)
10/1991
10/30/1991EP0453519A1 A chemical process yielding stimulated emission of visible radiation via fast near resonant energy transfer
10/30/1991EP0280739B1 Gas laser apparatus
10/30/1991CN1055839A Voltage dividing, radio frequency exciting whole metallic wave guide laser
10/29/1991US5062155 Modulated light wave demodulator
10/29/1991US5062117 Tailored laser system
10/29/1991US5062116 Metal halide glass tube
10/29/1991US5062112 Two cell laser raman converter
10/29/1991US5061046 Gradient index liquid crystal devices and method of fabrication thereof
10/29/1991CA1291555C Laser producing a discharge in a turbulent transverse flow
10/24/1991DE4012689A1 Pumped excimer laser with homogeneous energy profile - has optical element deflecting divergent light at distance from optical axis to obtain parallel beam
10/23/1991EP0453183A2 An apparatus for attenuating a laser beam
10/23/1991EP0452838A1 Optical phase conjugation apparatus including light pipe for multiple beam combination
10/23/1991EP0452669A1 Erbium doped fiber optical amplifier
10/23/1991EP0452430A1 Improved optical fibre superfluorescent source
10/23/1991EP0452400A1 A purely chemical process yielding continuous laser amplification in the visible and ultraviolet spectral ranges
10/22/1991USRE33722 Optical system with bright light output
10/22/1991US5060238 Laser oscillator device
10/22/1991US5060232 Free electron laser
10/22/1991US5060231 Laser system
10/22/1991US5059917 Optical phase conjugation apparatus including light pipe for multiple beam combination
10/22/1991US5059346 Preparation of the colloid, concentration, drying to produce solid membrane
10/22/1991US5059028 Ring laser gyroscope having means for maintaining the beam intensity
10/22/1991US5059003 Fast optical switch and limiter using quantum size effect in metal grain composites
10/22/1991US5058980 Multimode optical fiber interconnect for pumping Nd:YAG rod with semiconductor lasers
10/22/1991US5058976 System comprising Er-doped optical fiber
10/22/1991US5058974 Distributed amplification for lightwave transmission system
10/22/1991CA1291254C Multiwavelength laser source
10/17/1991WO1991016745A1 Laser device
10/17/1991WO1991015885A1 Method and apparatus for passive mode locking high power lasers
10/17/1991WO1991015884A1 Improved drive system for rf-excited gas lasers
10/17/1991WO1991015883A1 Active medium for tunable laser
10/17/1991DE4111864A1 Laser-diode for surgical use - is focussed to uniform image by two orthogonal compensating cylindrical lenses
10/17/1991CA2059134A1 Laser device
10/16/1991EP0452069A2 Ring laser
10/16/1991EP0451992A2 Detection of vibrations of a microbeam through a shell
10/16/1991EP0451483A2 Electrically excited strip-guide laser
10/16/1991EP0451278A1 Synchrotron radiation excited laser
10/15/1991US5058125 Laser oscillator
10/15/1991US5058124 Semiconductor device and piezoelectric stack optical mounting assembly
10/15/1991US5058123 Laser apparatus
10/15/1991US5058122 Microwave-excited high-power laser
10/15/1991US5058119 Laser measuring apparatus
10/15/1991US5058118 Self-frequency-doubling minilaser device with NYAB crystal as laser materials
10/15/1991US5058117 Raman shifting device
10/15/1991US5057099 Method for laser surgery
10/15/1991US5056920 Low cost ring laser angular rate sensor including thin fiber glass bonding of components to a laser block
10/15/1991CA1290801C Method and apparatus for stabilizing oscillation frequency separation among plural laser devices
10/15/1991CA1290655C Process for enhancing ti:a1 -0 -tunable laser crystal fluorescence by controlling crystal growth atmosphere
10/10/1991DE4010583A1 Solid-state laser operating in primary mode - uses elliptical reflector tube to concentrate exciter beam on laser rod
10/09/1991EP0451017A1 Laser incorporating monolithically integrated frequency converter
10/09/1991EP0451001A1 Strontium and lanthanide mixed oxides and laser using single crystals of these oxides
10/09/1991EP0450835A2 Optical multiplexing
10/09/1991EP0450681A1 Dither spring assembly for laser gyroscope
10/09/1991EP0450677A1 Device for generating blue laser light
10/09/1991EP0450668A2 Semiconductor laser array having power and high beam quality
10/09/1991EP0450659A2 Random polarization gas laser tube
10/09/1991EP0450557A2 Laser light wavelength shifter
10/09/1991EP0450524A2 Optical transmission system with a fiber optic amplifier
10/09/1991EP0449829A1 Device for transfering laser irradiation on an optical fibre
10/09/1991EP0258328B1 Axial gas laser and process for stabilizing its operation
10/08/1991US5056111 Integrated terahertz electromagnetic wave system
10/08/1991US5056103 Apparatus for aligning the optic axis of an intra-cavity birefringent element, and tunable laser using same
10/08/1991US5056102 Getter assembly
10/08/1991US5056101 Mode partition screening apparatus
10/08/1991US5056100 Semiconductor laser with photon gain lever
10/08/1991US5056098 Vertical cavity laser with mirror having controllable reflectivity
10/08/1991US5056097 Target illuminators and systems employing same
10/08/1991US5056096 Hybrid doped fiber-semiconductor amplifier ring laser source
10/08/1991US5055743 Induction heated cathode
10/08/1991US5054917 Automatic boresighting device for an optronic system
10/08/1991US5054876 Optical fiber telecommunication line including amplifiers distributed along the line for the transmitted signals
10/08/1991CA1290433C Method and system for correcting random walk errors induced by rate reversals in a dithered ring laser gyroscope
10/07/1991WO1991015787A1 A method of forming a refractive index grating in an optical waveguide
10/03/1991WO1991015045A1 Gas laser
10/03/1991WO1991014488A1 Improved isotope separation process
10/03/1991WO1991014411A1 Optical limiter including optical convergence and absorbing body with inhomogeneous distribution of reverse saturable material
10/02/1991EP0449526A2 Amplitude noise reduction for optically pumped modelocked lasers
10/02/1991EP0448776A2 Control of output energy of pulsed light source
10/02/1991DE4010149A1 Slab laser with cooled all-metal mirror-electrode - uses parallel LC to tune laser cavity to HF resonance
10/02/1991DE4010147A1 Electrically excited strip-line laser - contg. two wave guide surfaces, two resonator reflectors and at least two discharge electrodes
10/02/1991DE4009859A1 High power laser beam prodn. - by combining successive laser pulses from separate solid state lasers
10/01/1991WO1991015796A1 Optical component
10/01/1991US5054032 Gas laser housing
10/01/1991US5054029 Pulse power supply circuit
10/01/1991US5054028 Feedback stabilization system for pulsed single longitudinal mode tunable lasers
10/01/1991US5054027 Pulsed laser
10/01/1991US5052815 Single frequency ring laser with two reflecting surfaces
10/01/1991CA2078119A1 Optical component
10/01/1991CA1290046C Getter assembly
09/1991
09/26/1991DE4009116A1 Polarised solid-state laser - has phase-conjugate SBS mirrors with use of differential thresholds to sustain stable emission
09/25/1991EP0448319A2 Laser system with multiple radial discharge channels
09/24/1991US5052017 High power laser with focusing mirror sets
09/24/1991US5052014 Gas laser tube with mask
09/24/1991US5052013 Pulsed laser
09/24/1991US5052012 Laser cathode
09/24/1991US5052011 Explosively pumped laser light
09/24/1991US5052010 Solid state laser
09/24/1991US5052007 Wavelength-stabilized semiconductor laser
09/24/1991US5052004 Tunable lasers
09/24/1991US5051790 Optoelectronic interconnections for integrated circuits
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