| 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) |
|---|
| 02/22/1994 | US5289491 Intracavity harmonic sub-resonator with extended phase matching range |
| 02/22/1994 | US5289490 Laser generation apparatus |
| 02/22/1994 | US5289488 Pump assembly for a gas discharge laser |
| 02/22/1994 | US5289485 Multi-element optically pumped external cavity laser system |
| 02/22/1994 | US5289482 Intracavity-pumped 2.1 μm Ho3+ :YAG laser |
| 02/22/1994 | US5289481 Four-fold and higher order continuous-wave upconversion lasers |
| 02/22/1994 | US5289479 Laser light beam generating apparatus |
| 02/22/1994 | US5289114 Voltage detection apparatus using short pulse light source with narrow spectral band width |
| 02/22/1994 | CA2101031A1 Fault tolerant optical amplifier arrangement |
| 02/17/1994 | WO1994003948A1 Mode-locked upconversion laser source |
| 02/16/1994 | EP0583134A1 Superfluorescent source |
| 02/16/1994 | EP0582958A2 A semiconductor laser device, an optical device and a method of producing the same |
| 02/16/1994 | EP0582884A1 Laser beam generator |
| 02/16/1994 | EP0582860A1 Optical fiber amplifier and laser with flattened gain slope |
| 02/16/1994 | EP0582601A1 Praseodymium doped waveguide lasers. |
| 02/16/1994 | EP0404857B1 Laser frequency control |
| 02/16/1994 | CN2156602Y Laser diode adjusting fixing structure |
| 02/16/1994 | CN1082228A Vertical-cavity surface-emitting laser array display system |
| 02/15/1994 | US5287381 With neodymium dope; stable oscillation, high output energy |
| 02/15/1994 | US5287380 Method and apparatus for generating long output pulses from flashlamp-excited lasers |
| 02/15/1994 | US5287379 Method of producing a small beam expansion of laser light |
| 02/15/1994 | US5287378 Holmium quasi-two level laser |
| 02/15/1994 | US5287377 Semiconductor laser for producing light |
| 02/15/1994 | US5287376 Independently addressable semiconductor diode lasers with integral lowloss passive waveguides |
| 02/15/1994 | US5287373 Chromium doped mixed metal fluoride |
| 02/15/1994 | US5287372 Quasi-resonant diode drive current source |
| 02/15/1994 | US5287371 Laser pump module |
| 02/15/1994 | US5287370 Laser apparatus |
| 02/15/1994 | US5287369 Laser beam generating apparatus |
| 02/15/1994 | US5287368 High resolution spectral line selector |
| 02/15/1994 | US5287262 High voltage resonant inverter for capacitive load |
| 02/15/1994 | US5287217 Optical fiber doped with thuliumand praseodymium |
| 02/15/1994 | US5287216 Fiber amplifier with multiple pumps |
| 02/15/1994 | CA2032624C Method and apparatus for stabilizing oscillation frequency separation among a plurality of laser devices |
| 02/15/1994 | CA2020759C Erbium-doped fiber amplifier coupling device |
| 02/10/1994 | DE4318616A1 Unstable laser resonator for ophthalmology - minimises internal reflective surfaces to provide smallest possible concurrent resonator geometry |
| 02/10/1994 | DE4225781A1 Excimer laser with unstable optical resonator - has concave rear mirror and cylindrical output mirror contg. internal face of concave shape to produce divergence of laser beams in perpendicular directions which approach one another |
| 02/09/1994 | EP0582406A1 Pump laser control circuit for an optical transmission system |
| 02/09/1994 | EP0581948A1 Method and apparatus for compressing a light pulse |
| 02/09/1994 | EP0438405B1 Laser resonator |
| 02/09/1994 | CN1023744C High-power solid laser |
| 02/08/1994 | US5285467 Compact, efficient, scalable neodymium laser co-doped with activator ions and pumped by visible laser diodes |
| 02/08/1994 | US5285465 Optically controllable semiconductor laser |
| 02/08/1994 | US5285460 Total-solidification type tunable pulse laser |
| 02/08/1994 | US5285457 Apparatus for detecting an abnormal bearing condition of a blower utilized for gas laser equipment |
| 02/08/1994 | US5285310 High power regenerative laser amplifier |
| 02/08/1994 | US5285309 Laser light wavelength shifter |
| 02/08/1994 | US5285306 Optical communication system with a fiber optic amplifier |
| 02/08/1994 | US5285223 Ophthalmic optical apparatus having an alignment optical system |
| 02/03/1994 | WO1994002808A1 Laser gyro microprocessor configuration and control |
| 02/02/1994 | EP0581453A1 Metal vapour laser apparatus |
| 02/02/1994 | EP0581376A1 Gas discharge lamps and method for fabricating same by micromachining technology |
| 02/02/1994 | EP0580867A1 Laser |
| 02/02/1994 | EP0235185B1 Process and device for converting electromagnetic waves |
| 02/01/1994 | US5283846 Optical isolator, optical circuit, and rare-earth-doped fiber optical amplifier |
| 02/01/1994 | US5283801 External resonant ring cavity for generating high-peak-power laser pulses |
| 02/01/1994 | US5283800 Metal vapor laser apparatus and method |
| 02/01/1994 | US5283799 Semiconductor laser with a saturable absorber |
| 02/01/1994 | US5283797 RF excited CO2 slab waveguide laser |
| 02/01/1994 | US5283796 Phase plate or spiral phase wheel driven linear frequency chirped laser |
| 02/01/1994 | US5283795 Diffraction grating driven linear frequency chirped laser |
| 02/01/1994 | US5283794 Laser apparatus and method employing fuzzy logic based pulse width modulation |
| 02/01/1994 | US5283692 Multi-layer graded reflectivity mirror |
| 02/01/1994 | US5283687 Amplifier for optical fiber communication link |
| 02/01/1994 | US5283686 Optical systems with grating reflector |
| 02/01/1994 | US5283627 System for inhibiting quenching of laser beams in response to radiation events |
| 02/01/1994 | US5283498 High-power radiator |
| 01/31/1994 | CA2100128A1 Metal vapour laser apparatus |
| 01/26/1994 | EP0579998A1 Solid-state resonator |
| 01/26/1994 | EP0579620A1 A terminal for a frequency divided, optical communication system |
| 01/26/1994 | EP0416066B1 Bandwidth-preserving brillouin phase conjugate mirror and method |
| 01/26/1994 | EP0394473B1 System for controlling the amount of substituting laser gas |
| 01/26/1994 | EP0383841B1 Four-pass phase conjugate optical amplifier system and method |
| 01/26/1994 | CN2154550Y Laser indicating lens with the same light path |
| 01/25/1994 | US5282260 Optical waveguide component and formed with rare earth ions |
| 01/25/1994 | US5282219 Semiconductor laser structure having a non-reflection film |
| 01/25/1994 | US5282079 Optical fibre amplifier |
| 01/25/1994 | US5282074 Optical amplification repeating system |
| 01/25/1994 | US5282072 Shunt-expansive predistortion linearizers for optical analog transmitters |
| 01/20/1994 | DE4318649A1 Low temperature Raman laser system - has cooling system provided by circulation sleeve or coil carrying brine or salt for heat absorption |
| 01/19/1994 | EP0579439A1 Article that comprises a laser coupled to an optical fiber |
| 01/19/1994 | EP0579385A1 Polarization independent optical tap |
| 01/19/1994 | EP0579367A1 A laser system |
| 01/19/1994 | EP0578953A1 High power emitting device |
| 01/19/1994 | EP0578815A1 Reduction of sidelobes in optical arrays |
| 01/19/1994 | EP0578802A1 Device and method for polarization-independent processing of a signal comprising a combined wave-guide and polarisation converter |
| 01/19/1994 | EP0341315B1 Method of stabilizing laser wavelength and laser device with stabilized wavelength |
| 01/18/1994 | US5280549 Frequency dependent optical isolator |
| 01/18/1994 | US5280536 Method and apparatus for supplying pulsed power to an ophthalmic laser system |
| 01/18/1994 | US5280534 Yag laser with manganese dopant |
| 01/18/1994 | US5280494 Modular laser demonstration kit |
| 01/18/1994 | US5280492 Halogenated metallic phosphate |
| 01/18/1994 | US5280491 Two dimensional scan amplifier laser |
| 01/18/1994 | US5280490 Electromagnetic radiation amplification device |
| 01/18/1994 | US5280383 Dual-stage low power optical amplifier |
| 01/18/1994 | US5279634 Method of fabricating strip monomode active optical waveguides by vitrifying an interior portion of a tube with a laser |
| 01/13/1994 | DE4244689A1 Solid state laser - has birefringent crystal in resonator producing two temperature-sensitive polarised frequency components at right angles |
| 01/13/1994 | DE4244688A1 Fixed body laser - is frequency-stabilised with difference frequency of orthogonally polarised frequency components of single longitudinal mode used for measurement of frequency deviations of laser |
| 01/13/1994 | DE4228541C1 Laser diode pumped solid-state ring laser - uses laser crystals with anti-reflective input and output surfaces and highly reflective reflection surfaces |
| 01/13/1994 | DE4222418A1 Measuring composition of gas mixture of excimer laser with high accuracy - by producing corona discharge in gas mixture to determine at least one pair of current-voltage curves associated with discharge |