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)
05/1998
05/27/1998EP0844750A2 Optical amplifier unit control methods, optical amplifier systems and systems which use the methods and amplifier systems
05/27/1998EP0844748A1 Method and apparatus of optical data transmission along a free space path
05/27/1998EP0844706A2 Optical amplifier and laser light generating apparatus
05/27/1998EP0843909A1 Device for controlling a laser source with multiple laser units for the energy and spatial optimisation of a laser surface treatment
05/27/1998EP0681681B1 Active multipoint fiber laser sensor
05/26/1998US5757842 Method and apparatus for compensating thermal lensing effects in a laser cavity
05/26/1998US5757839 Optical pumping method and apparatus
05/26/1998US5757838 Output control method for excimer laser
05/26/1998US5757831 Electronic suppression of optical feedback instabilities in a solid-state laser
05/26/1998US5757827 Second harmonic generating apparatus and apparatus employing laser
05/26/1998US5757562 Mirror with reflection coefficient variable spatially in amplitude and in phase
05/26/1998US5757541 Method and apparatus for an optical fiber amplifier
05/26/1998US5757540 Long-period fiber grating devices packaged for temperature stability
05/26/1998US5757529 In-line regenerating apparatus for regenerating a soliton-conveyed signal by synchronously modulating the solitons by means of a non-linear optical loop mirror
05/26/1998US5756962 Laser-processing head for laser processing apparatus
05/26/1998CA2119326C Technique utilizing a rotating waveplate for reducing polarization dependent hole-burning in an amplified optical transmission system
05/25/1998CA2208964A1 Method and device for the optical transmission of data over distances in space
05/22/1998WO1998021790A1 Method for reducing noise amplitude of solid state lasers with an internal resonator frequency doubler
05/22/1998WO1998021789A1 Device for creating a three-dimensional self-maintained discharge
05/22/1998WO1998021788A1 Grating coupling free electron laser apparatus and method
05/22/1998WO1998021787A1 Diode-pumped double frequency solid state laser
05/22/1998WO1998020936A1 Photoemitting catheters and other structures suitable for use in photo-dynamic therapy and other applications
05/20/1998EP0843424A2 Optical waveguide and 1.5um-band optical amplifier using same
05/20/1998EP0843392A2 Acousto-optic tunable laser
05/20/1998EP0843391A1 Laser systems
05/20/1998EP0843199A2 Method and apparatus for optical signal processing by photoinduced loss and/or gain gratings
05/20/1998EP0842907A1 Active single mode optical fibres and method for their fabrication
05/20/1998EP0842728A1 Laser marking device
05/20/1998EP0842555A1 Desktop medical laser generator
05/20/1998DE19647878A1 Laser- und Verstärkersystem zur Erzeugung von Laserstrahlung im sichtbaren Wellenlängenbereich Laser and amplifier system for generating laser radiation in the visible wavelength range
05/20/1998DE19647677A1 Laser- und Verstärkersystem zur Erzeugung einfrequenter Laserstrahlung Laser and amplifier system for generating einfrequenter laser radiation
05/20/1998DE19647488A1 Optical amplifier for optical transmission system
05/20/1998CN2282284Y Over hundred watt power copper steam laser
05/20/1998CN2282283Y Enclosed type CO2 laser
05/19/1998US5754581 Differential impedance discharge for plasma generation
05/19/1998US5754580 Carbon dioxide gas laser oscillation apparatus
05/19/1998US5754579 Laser gas controller and charging/discharging device for discharge-excited laser
05/19/1998US5754575 Free-space gas slab laser
05/19/1998US5754574 Temperature correction circuit for wavelength stabilization in a laser diode
05/19/1998US5754572 Mirrorless, distributed-feedback, ultraviolet, tunable, narrow-linewidth, solid state laser
05/19/1998US5754571 Tunable wavelength light source apparatus for stabilizing power intensity by using external auto-power control
05/19/1998US5754570 Host matrix comprises fluorozincate glass such as fluorides of zirconium, barium, aluminum, lanthanum, sodium doped with ion pair neodymium as sensitizer and other rare earth metal as activator; optical waveguides or optical fibers
05/19/1998US5754334 Device for and method of modifying the spectral characteristics of optical signals
05/19/1998US5754333 Microlaser-pumped monolithic optical parametric oscillator
05/19/1998US5754319 Optical amplifier combiner arrangement and method for upstream transmission realized thereby
05/19/1998US5753524 Method of forming a plateau and a cover on the plateau in particular on a semiconductor substrate
05/19/1998CA2062216C Optical-to-electric transducer with extended dynamic range
05/14/1998WO1998020587A1 A multi-wavelength optical pump
05/14/1998WO1998020586A1 Laser device
05/14/1998WO1998003815A3 Wall element for a protective device surrounding an operating or working area and protecting against laser beams from a laser source
05/14/1998DE19646072A1 Diodengepumpter, frequenzverdoppelter Festkörperlaser A diode-pumped, frequency-doubled solid-state lasers
05/14/1998DE19645150A1 Optische Anordnung zur Symmetrierung der Strahlung von Laserdioden Optical arrangement for balancing the beam of laser diodes
05/13/1998EP0841764A2 Crosstalk suppression in a multipath optical amplifier
05/13/1998EP0841733A1 Semiconductor optical functional device and method of driving the same
05/13/1998EP0783781A4 Laser with electrically-controlled grating reflector
05/13/1998EP0783719A4 Method for manipulating optical energy using poled structure
05/13/1998EP0716776B1 Pulsed gas lasers
05/13/1998CN2281593Y Laser with plane and arc sufaces triangular prism chamber
05/13/1998CN1181649A Diode laser pumped solid state laser gain module
05/13/1998CN1181648A Light emitting apparatus
05/13/1998CN1181647A Erbium doped optical fiber amplifier for automatically tracing and filtering wavelength of transmitted light and its operation method
05/13/1998CN1181514A Davice and method to suppress Q-switching in optical amplifying device
05/13/1998CN1181512A Optical amplifier parckaging device
05/12/1998US5751758 Phase conjugate wave generating device, wavelength converting method, optical dispersion compensating method and multi-wavelength light generating device
05/12/1998US5751751 Deep blue microlaser
05/12/1998US5751750 Laser system and method with thermally compensated optics
05/12/1998US5751749 Laser oscillator and method for controlling the same
05/12/1998US5749638 Rapidly scanning cathode-ray tube laser
05/12/1998CA2156435C Prism light guide luminaire with efficient directional output
05/07/1998WO1998019374A1 Gas discharge pumped laser
05/07/1998WO1998019373A1 Gas laser device
05/07/1998WO1998019202A1 Optical array for symmetrization of laser diode beams
05/07/1998WO1998019173A1 Device noise measurement system
05/07/1998DE19645542A1 Optical signal transfer system especially for messages
05/07/1998DE19645093A1 Laser system
05/07/1998DE19645029A1 Laser light source operating method
05/07/1998DE19643531A1 Solid state laser
05/07/1998DE19639769A1 Frequenzverdoppelter diodengepumpter Festkörperlaser Frequency-doubled diode-pumped solid-state laser
05/07/1998CA2269777A1 Device noise measurement system
05/06/1998EP0840469A2 Device and method to suppress q-switching in an optical amplifying device
05/06/1998EP0840412A1 Method for manufacturing a doped vitreous material for lasers or optical amplifiers
05/06/1998EP0840411A2 Optical fiber laser device
05/06/1998EP0840410A2 Laser apparatus
05/06/1998EP0840380A2 Light emitting apparatus
05/06/1998EP0840163A2 Loop phase-conjugate mirror for depolarized beams
05/06/1998EP0840162A2 Compact phase-conjugate mirror utilizing four-wave mixing in a loop configuration
05/06/1998EP0839098A1 Marking diamond
05/06/1998EP0664057B1 Pre-ionizer for a laser
05/06/1998CN2281018Y Portable high-energy fiber-optical coupling yttrium-neodymium garnet laser processing machine
05/06/1998CN1180952A Wavelength selectable laser oscillator in wavelength tunable laser
05/06/1998CN1180951A Wavelength selectable laser oscillator in wavelength tunable laser
05/06/1998CN1180670A Rare earth doped oxyhalide laser glass
05/06/1998CA2217077A1 Crosstalk suppression in a multipath optical amplifier
05/05/1998US5748664 Solid state laser with positive thermal lens
05/05/1998US5748663 Retangular discharge gas laser
05/05/1998US5748662 Laser oscillator with stabilized pointing
05/05/1998US5748656 Laser having improved beam quality and reduced operating cost
05/05/1998US5748655 Intracavity modulated pulsed laser and methods of using the same
05/05/1998US5748654 Diode array providing either a pulsed or a CW mode of operation of a diode pumped solid state laser
05/05/1998US5748364 Amplified telecommunication system for wavelength-division multiplexing transmissions
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