| 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) |
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| 07/06/1993 | US5225692 Non-linear quantum semiconductor optical device having a signal-to-noise ratio |
| 06/30/1993 | EP0549465A1 Semi-conductor laser with optical command input |
| 06/30/1993 | EP0549132A2 Article comprising a semiconductor body and means for modulating the optical transparency of the same |
| 06/29/1993 | US5224200 Coherence delay augmented laser beam homogenizer |
| 06/29/1993 | US5224193 First order mode frequency doubler system and method |
| 06/29/1993 | US5224117 Gas lasers, in particular co2 lasers |
| 06/29/1993 | US5224116 Laser amplifier |
| 06/29/1993 | US5224110 Tunable laser frequency stabilizing system |
| 06/29/1993 | US5223972 Optical amplifiers, optical communication systems networks using the amplifier and integrated optical nodes including the amplifier |
| 06/29/1993 | US5223705 Measurement of an optical amplifier parameter with polarization |
| 06/29/1993 | CA1319671C Oxidation of carbon monoxide and catalyst composition therefor |
| 06/24/1993 | CA2058405A1 Holographic beam sampler |
| 06/23/1993 | EP0547956A1 Optically pumped mini-laser resonator, method of its fabrication and laser utilizing this resonator |
| 06/23/1993 | EP0547831A1 Pulse forming network bank for pulse pair generation in gas lasers |
| 06/23/1993 | EP0547212A1 Neodymium-doped gehlenite crystal and laser using same |
| 06/23/1993 | EP0547136A1 A laser and an amplifier. |
| 06/23/1993 | EP0547133A1 Optical fibre amplifier and laser. |
| 06/23/1993 | EP0547094A1 Laser resonator for laser media with annular cross-section. |
| 06/23/1993 | EP0398995B1 Plasma x-ray tube, in particular for x-ray preionizing of gas lasers, and use as electron gun |
| 06/22/1993 | US5222161 Method and apparatus for compressing a light pulse |
| 06/22/1993 | US5222094 Ring laser |
| 06/22/1993 | US5222093 High wavelength laser device |
| 06/22/1993 | US5222092 Applied in photography, communications, industrial instruments |
| 06/22/1993 | US5222088 Applicable as a source for high density optical disks, medical care and information processing fields |
| 06/22/1993 | US5222073 Rod lasers |
| 06/22/1993 | US5222070 Optical pulse oscillator and light frequency measuring apparatus using the same |
| 06/22/1993 | US5221988 Pockel cell damping system |
| 06/22/1993 | US5221636 Process and apparatus for the deposition of anti-reflection coatings and the checking of their thickness |
| 06/22/1993 | CA1319431C Optical device |
| 06/22/1993 | CA1319245C Growth of congruently melting gadolinium scandium gallium garnet |
| 06/17/1993 | DE4141052A1 Compact solid state laser pumped by powerful laser diodes - provides frequency-doubled output from linear, monolithically folded or ring resonator crystals with suitably selective coatings |
| 06/16/1993 | EP0575324A4 Mixed gas ion laser. |
| 06/16/1993 | EP0546921A1 Gas photonanograph for fabrication and optical analysis of nanometer scale patterns |
| 06/16/1993 | EP0546891A1 Frequency doubling device using an electrically driven optical index grating |
| 06/16/1993 | EP0546824A1 Metallized paths on diamond surfaces |
| 06/16/1993 | EP0546705A1 Polarisation independent bragg grating for optical waveguides |
| 06/16/1993 | EP0546413A1 Fiber optic gyro |
| 06/16/1993 | EP0546194A1 Solid laser |
| 06/16/1993 | EP0546067A1 Interferometer. |
| 06/16/1993 | EP0314803B1 Numerical controller for laser |
| 06/16/1993 | EP0309531B1 Monolithic monomode waveguide isolator and application to a semiconductor laser |
| 06/16/1993 | CN1021269C Chamber type higher harmonic laser device |
| 06/16/1993 | CN1021268C Uniform lighting unit for plate caser set |
| 06/16/1993 | CN1021267C High power two-lens mode selecting cavity for co2 laser |
| 06/15/1993 | US5220579 Pulse laser |
| 06/15/1993 | US5220577 Waveguide laser with variable waveguide thickness |
| 06/15/1993 | US5220576 Slab or stripline laser |
| 06/15/1993 | US5220575 Surface layer differing from metal carrier by having smaller work function and lower thermal and electrical conductivities: chosen from tungsten, niobium, tantalum, rhenium and chromium |
| 06/15/1993 | US5220574 Gas discharge performed with participation of hydrogen chloride which is formed by hydrolysis |
| 06/15/1993 | US5220571 Semiconductor laser device |
| 06/15/1993 | US5220405 Interferometer for in situ measurement of thin film thickness changes |
| 06/15/1993 | US5220404 Gas discharge device |
| 06/15/1993 | US5219346 Light diffuser for the photodynamic therapy of tumors in the oesophagus of a patient |
| 06/15/1993 | CA1319169C Electrical excitation circuit for gas lasers |
| 06/12/1993 | CA2084147A1 Metallized paths on diamond surfaces |
| 06/10/1993 | WO1993011594A1 Discharge of lightning with ultrashort laser pulses |
| 06/10/1993 | WO1993011589A1 Wavelength stabilization |
| 06/10/1993 | WO1993011065A1 Improvements in halogen generators |
| 06/09/1993 | EP0545269A1 Method of operating a semi-conductor laser as an optoelectronic bistable element |
| 06/09/1993 | EP0544825A1 Microchip laser array. |
| 06/09/1993 | EP0489847A4 Interferometer utilizing superfluorescent optical source |
| 06/09/1993 | DE4139865A1 Semiconductor-pumped single frequency solid body laser - where one mode is split into two polarisation directions perpendicular to each other, used for super-heterodyne interferometers |
| 06/09/1993 | DE4139859A1 Tunable two wavelength laser for super heterodyne interferometer - comprises diode pumped solid state laser and allows tuning of differential frequency of two wavelengths in typical range of 0 to 30 GHz by phase modulation |
| 06/09/1993 | DE4139833A1 Microcrystal two wavelength laser for super heterodyne interferometer - has laser diode pumped solid state laser system consisting of two monolithic microcrystal lasers in longitudinal single mode operation |
| 06/09/1993 | DE4139832A1 Diode pumped dual wavelength laser providing two-colour laser light - has two pumped crystals with associated Peltier elements allowing temp.-induced wavelength frequency shift |
| 06/09/1993 | CN1073053A Discharge system for transverse flow gas laser |
| 06/09/1993 | CN1073052A High-precision synchronous controller |
| 06/08/1993 | US5218665 Double core, active fiber optical amplifier having a wide band signal wavelength |
| 06/08/1993 | US5218655 Article comprising an optical waveguide with in-line refractive index grating |
| 06/08/1993 | US5218651 Optical fibre incorporating a variable internal bragg grating and its applications |
| 06/08/1993 | US5218610 Tunable solid state laser |
| 06/08/1993 | US5218609 Solid laser oscillator |
| 06/08/1993 | US5218608 Optical fiber amplifier |
| 06/08/1993 | US5218421 Wavelength detecting apparatus |
| 06/08/1993 | CA2024352C Distributed amplification for lightwave transmission system |
| 06/03/1993 | DE4139395A1 Solid state ring laser with optical flat beam, laser crystal optical diode - has polariser, Faraday rotator, and electro-optical modulatable crystal as reciprocal polarisation rotator |
| 06/02/1993 | EP0544439A1 Article comprising a strained layer quantum well laser |
| 06/02/1993 | EP0544128A1 Circuit arrangement for a driver circuit |
| 06/01/1993 | US5216728 Optical fiber amplifier with filter |
| 06/01/1993 | US5216689 Slab laser with enhanced lifetime |
| 06/01/1993 | US5216688 Solid state laser with pumping laser diodes |
| 06/01/1993 | US5216687 Solid state laser device with a bi-cylindrical covexo-convex lens having selected radii of curvature to preferably pump a region of a laser medium |
| 06/01/1993 | US5216683 DC-to-DC converter using SCRS with natural commutation |
| 06/01/1993 | US5216681 Highly-efficient solid-state blue laser |
| 06/01/1993 | US5216680 Optical guided-mode resonance filter |
| 06/01/1993 | US5216679 Solid-state tunable laser resonator |
| 06/01/1993 | US5216544 Beam-combining laser beam source device |
| 05/27/1993 | WO1993010603A1 Shunt-expansive predistortion linearizers for optical analog transmitters |
| 05/27/1993 | WO1993010584A1 Cavity resonator incorporating waveguide filter |
| 05/27/1993 | WO1993010583A1 Liquid stabilized internal mirror lasers |
| 05/27/1993 | WO1993010582A1 Temperature stable solid-state laser package |
| 05/27/1993 | WO1993010581A1 Mounting for a laser mirror |
| 05/27/1993 | WO1993010037A1 Improvements in halogen generators |
| 05/27/1993 | WO1993008500A3 Optically encoded phase matched second harmonic generation, self frequency doubling laser material, and holographic optical memory using semiconductor microcrystallite doped glasses |
| 05/27/1993 | WO1993003427A3 Photorefractive systems and methods |
| 05/27/1993 | DE4138691A1 Monitoring quality of plasma in plasma reactor or gas discharge laser - using test phase superimposed over excitation voltage to change frequency which is then used to determine electron density and temp. in plasma |
| 05/26/1993 | EP0543795A1 Discharge excitation type short pulse laser device |
| 05/26/1993 | EP0543725A1 Rare earth-containing integrated optical component structure, method of manufacturing and applications thereof |
| 05/26/1993 | EP0543699A1 Integrated semiconductor lasers and the method of manufacturing the same |
| 05/26/1993 | EP0543676A1 Ion-laser tube |