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)
09/1995
09/19/1995US5452122 Element for optical isolator and optical isolator employing the same, together with semiconductor laser module employing the optical isolator element
09/19/1995US5452116 Transmission systems incorporating optical amplifiers
09/14/1995WO1995024753A1 Waveguide laser
09/14/1995WO1995024618A2 Device for raising the frequency of electromagnetic radiation
09/14/1995DE4408041A1 Sub-nanosecond nitrogen laser
09/14/1995DE4407710A1 Wellenleiterlaser Waveguide laser
09/13/1995EP0671792A1 Laser control arrangement for tuning a laser
09/13/1995EP0671642A1 An optical waveguide epitaxially grown on semiconductors for upconversion
09/13/1995CN2207641Y Optical mechanical structure of lighting head of laser indication pen
09/13/1995CN1029762C Copper vapor laser equipment
09/12/1995WO1995025366A2 High brightness, vertical cavity semiconductor lasers
09/12/1995US5450436 Laser gas replenishing apparatus and method in excimer laser system
09/12/1995US5450435 Gas laser oscillator
09/12/1995US5450433 Laser arrangement including effeciency improving gas reservoirs in thermal insulation
09/12/1995US5450431 Digitally-tuned integrated laser with multi-frequency operation
09/12/1995US5450430 High power laser diode driver utilizing a monolithic semiconductor device
09/12/1995US5450429 Efficient linear frequency doubled solid-state laser
09/12/1995US5450427 Technique for the generation of optical pulses in modelocked lasers by dispersive control of the oscillation pulse width
09/12/1995US5450232 Polymer optical fiber amplifier
09/12/1995US5450207 Method and apparatus for calibrating a laser wavelength control mechanism
09/12/1995US5450194 Optical measuring device, particularly using spectrophotometry
09/12/1995US5450040 Gaussian-beam oscillator for microwave and millimeter waves
09/08/1995WO1995024065A1 Unidirectional amplification for bi-directional transmission using wavelength-division multiplexing
09/06/1995EP0670618A1 Semiconductor laser and light-sensing device using the same
09/06/1995EP0670617A1 Ring laser
09/06/1995EP0670469A1 Brillouin-ring laser gyro
09/06/1995EP0572653B1 Method and apparatus for optical beam combination and cleanup using stmulated scattering
09/06/1995EP0550759B1 Discharge tube for laser
09/06/1995EP0506731B1 Improved optical fibre laser
09/05/1995US5448629 Amplitude detection scheme for optical transmitter control
09/05/1995US5448587 Structure of laser module
09/05/1995US5448586 Pumping arrangements for arrays of planar optical devices
09/05/1995US5448584 Semiconductor laser for use as light source in data processing device with cladding layers having a bandgap twice as large as the active layer
09/05/1995US5448582 Optical sources having a strongly scattering gain medium providing laser-like action
09/05/1995US5448581 Circular grating lasers
09/05/1995US5448580 Air and water cooled modulator
09/05/1995US5448579 Polarization independent picosecond fiber laser
09/05/1995US5448536 Magneto-optical recording device having an optical head capable of generating a circularly polarized light beam
09/05/1995US5448417 For modifying light signals
09/05/1995US5448415 Device for emitting light diverging along imaginary plane
09/05/1995US5448398 Diffraction grating unit and second-harmonic generator employing the same
08/1995
08/31/1995WO1995023446A1 High brightness cold burst solid state laser operation
08/31/1995DE19506390A1 Distance measuring device to e.g. avoid collision between cars
08/31/1995DE19506275A1 Variable wavelength light source with wide adjustment range
08/31/1995DE19505081A1 Hermetically housed high voltage capacitor
08/30/1995EP0669730A2 Optical amplifier and optical communication system provided with the optical amplifier
08/30/1995EP0669048A1 Power laser system
08/30/1995EP0669047A1 Apparatus for, and method of, maintaining a clean window in a laser
08/30/1995EP0669046A1 Ring laser.
08/29/1995US5446750 Laser diode pumped solid laser
08/29/1995US5446749 Diode pumped, multi axial mode, intracavity doubled laser
08/29/1995US5446530 Amplitude modulated corrected frequency modulated laser
08/24/1995WO1995022847A1 Gain controlled optical fibre amplifier
08/24/1995WO1995022429A1 Multi-wavelength laser optic system for probe station and laser cutting
08/24/1995WO1995020253A3 Using lasers to fabricate coatings on substrates
08/24/1995WO1995019027A3 Gas discharge display and method for producing such a display
08/24/1995CA2182358A1 Multi-wavelength laser optic system for probe station and laser cutting
08/23/1995EP0668672A1 Optical communication system with polarisation scrambler
08/23/1995EP0668671A1 Optical fiber system and method for overcoming the effects of polarization gain anisotropy in a fiber amplifier
08/23/1995EP0668640A1 Method for the generation of Ultra-short optical pulses
08/23/1995EP0668519A1 Spatially-varying distributed bragg-reflectors in optical media
08/23/1995EP0667965A1 Look-ahead windshear detector by filtered rayleigh and/or aerosol scattered light.
08/23/1995EP0667951A1 Detector of variations in a physical quantity.
08/22/1995US5444724 Tunable wavelength light source incorporated optical filter using interferometer into external cavity
08/22/1995US5444723 Optical switch and Q-switched laser
08/22/1995US5444533 Fiber-optic gyroscope obtaining a signal from a perturbed light source
08/22/1995US5444332 Hollow - cathode electrode for high-power, high-pressure discharge devices
08/22/1995US5444213 Remote maintenance method and system for a fusion reactor
08/19/1995CA2142771A1 Polarization scrambler optical communication system
08/17/1995WO1995022212A1 Optical time domain reflectometry
08/17/1995WO1995022187A1 System for minimizing the depolarization of a laser beam due to thermally induced birefringence
08/17/1995WO1995022186A1 Passively q-switched picosecond microlaser
08/17/1995DE4311035A1 Ignition or excitation of gas by standing microwave field
08/16/1995EP0667688A1 A noise measurement for optical amplifier and a system therefor
08/16/1995EP0667556A1 Highly oriented metal fluoride thin film waveguide articles on a substrate
08/16/1995EP0666976A1 Method and apparatus for compensating for the residual birefringence in interferometric fiber-optic gyros
08/16/1995EP0544825B1 Microchip laser array
08/15/1995US5442651 External cavity control semiconductor laser
08/15/1995US5442648 Noise rejection circuitry and laser system using the same
08/15/1995US5442487 Ophthalmic photocoagulating apparatus using a laser diode and a lens system for the apparatus
08/15/1995US5442479 Fiber-optic amplifier with a facility for monitoring the pump power and input power
08/15/1995US5442473 Optical telecommunications method
08/15/1995US5442441 Radio frequency excited ring laser gyro
08/15/1995CA2050605C Gasdynamic co laser
08/10/1995WO1995021480A1 Diode pumped, multi axial mode, intracavity doubled laser
08/10/1995WO1995021479A1 Thermal lens of controlled ellipticity
08/10/1995WO1995021478A1 Confocal diode pumped laser
08/10/1995WO1995021477A1 Diode pumped laser with strong thermal lens crystal
08/09/1995EP0666623A1 Multiwavelength upconversion waveguide laser
08/09/1995EP0665992A1 Phosphate glass useful in high energy lasers
08/09/1995EP0665991A1 Gas discharge device current control circuit
08/09/1995EP0665946A1 Laser gyro smart digital plc acquisition control.
08/09/1995CN1106582A Variable cycle acoustics superlattice and ultra-high-requency wideband acoustic/optical device
08/09/1995CN1029498C Modulating-Qu single longitudinal module laser device
08/08/1995US5440669 Photorefractive systems and methods
08/08/1995US5440580 Laser discharge tube and electrode manufacturing method
08/08/1995US5440579 Compact electron gun having a microdot electron source and a semiconductor laser using said gun for electronic pumping
08/08/1995US5440578 Gas replenishment method and apparatus for excimer lasers
08/08/1995US5440574 Solid-state laser
08/08/1995US5440573 Method and apparatus for controlling laser emmision wavelength using non-linear effects
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