| 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) |
|---|
| 05/29/1990 | US4930136 Segmented air cooled laser tube |
| 05/29/1990 | US4930135 Laser oscillator device |
| 05/29/1990 | US4930134 Laser control system |
| 05/29/1990 | US4930133 Multiple laser frequency stabilization |
| 05/29/1990 | US4930132 Second harmonic wave generating device having active layer and second harmonic wave generating layer on same substrate |
| 05/29/1990 | US4930131 Source of high repetition rate, high power optical pulses |
| 05/29/1990 | US4930130 Bimodal linear accelerator apparatus |
| 05/29/1990 | US4929387 Low or no silica glass |
| 05/29/1990 | US4929064 Optical communications modulator device |
| 05/29/1990 | CA1269747A1 Dither signal remover for a dithered ring laser angular rate sensor |
| 05/23/1990 | EP0369856A1 Optoelectronic device with a high output, and its production method |
| 05/23/1990 | EP0369706A2 Optical intensity modulator |
| 05/23/1990 | EP0369281A2 Optically pumped solid laser |
| 05/23/1990 | EP0368925A1 Light amplifier with ring-shaped guided beam, in particular ring laser diode. |
| 05/23/1990 | CN1042423A Plating method of laser reflector and reflector of he-ne laser |
| 05/23/1990 | CN1008125B Process for preparing doped magnesium-lanthanide aluminogallate single crystal |
| 05/22/1990 | US4928316 Optical systems and methods based upon temporal stretching, modulation and recompression of ultrashort pulses |
| 05/22/1990 | US4928286 Hypersonic gasdynamic laser system |
| 05/22/1990 | US4928282 Laser generator with phase mode-locking |
| 05/22/1990 | US4928277 Method and apparatus for driving laser beam source to avoid droop effects |
| 05/22/1990 | US4927226 Multiplexer for high power CW lasers |
| 05/16/1990 | EP0368525A1 Method and apparatus for generating inverted population for stimulated emission |
| 05/16/1990 | EP0368196A2 Laser amplifier using a doped optical fiber |
| 05/16/1990 | CN1042276A Gas-discharge tube with direct radiating metal conducting strip |
| 05/15/1990 | US4926437 Ceramic cathode for ring lasers |
| 05/15/1990 | US4926435 Radioactive light sources |
| 05/15/1990 | US4926434 Gas laser excited with pulsed microwave energy |
| 05/15/1990 | US4925523 Enhancement of ultraviolet laser ablation and etching organic solids |
| 05/15/1990 | US4925302 Frequency locking device |
| 05/10/1990 | DE3837490A1 Electrode |
| 05/09/1990 | EP0367624A2 Method and apparatus for laser process control |
| 05/09/1990 | EP0366756A1 Broadband optical fiber laser |
| 05/09/1990 | EP0366751A1 Device for generating laser pulses of variable duration |
| 05/09/1990 | EP0366720A1 Apparatus and method for sensing rotation rate and direction and for controlling cavity length |
| 05/09/1990 | CN1042031A High-power pulse solid laser power source |
| 05/09/1990 | CN1007878B Platium-rare-earths catalysts used for conversion of the gas-eous impurities in carbondioxde laser and production method of the catalyst |
| 05/08/1990 | US4924475 Boron oxide laser with CF4 additive |
| 05/08/1990 | US4924474 Laser device with high oscillation efficiency |
| 05/08/1990 | US4924472 Laser output power stabilizing apparatus of a continuous-wave gas laser device |
| 05/08/1990 | US4924062 Method for hardening discrete identical elements integral with a common structure and regularly separated from each other and device for embodying this method |
| 05/08/1990 | US4923364 Gas laser apparatus, method and turbine compressor therefor |
| 05/08/1990 | US4923279 Core containing fluorescent dopant surrounded by dopant-free cladding |
| 05/08/1990 | US4923270 Apparatus for optical wavelength division multiplexing |
| 05/08/1990 | US4923266 Optical fiber device for generating a train of synchronous light pulses each comprising at most one photon and an apparatus for measuring same |
| 05/08/1990 | CA1268847A1 Laser controlled by a multiple layer heterostructure |
| 05/03/1990 | WO1990004867A1 Optical feedback control in the frequency conversion of laser diode radiation |
| 05/03/1990 | WO1990004866A1 Method and apparatus for generating inverted population for stimulated emission |
| 05/03/1990 | WO1990004865A1 The generation of multiply folded optical paths |
| 05/02/1990 | EP0365994A2 Controlled semiconductor laser |
| 05/02/1990 | EP0365754A1 Enhandement of ultraviolet laser ablation and etching of organic solids |
| 05/02/1990 | CN1007856B Mixed lanthanides magnesium aluminate and laser using aluminate single crystal |
| 05/01/1990 | US4922504 Laser apparatus |
| 05/01/1990 | US4922502 Solid-state laser device comprising a plurality of excitation units selectively energized |
| 05/01/1990 | US4922501 Mirror translation apparatus for altering focal point position in a laser |
| 05/01/1990 | US4922498 Lasers |
| 05/01/1990 | US4922496 For providing second harmonic generated radiation |
| 05/01/1990 | US4922495 Broad band crossed-beam raman amplifier |
| 05/01/1990 | US4922481 Optical communication systems enabling minimal subscriber components |
| 05/01/1990 | US4922091 Direct generation of ultrafast electrical pulses |
| 05/01/1990 | US4921357 Laser oscillator device |
| 05/01/1990 | CA1268533A1 Method for improving the power of an axial gas laser |
| 05/01/1990 | CA1268367A1 Optical beam integration system |
| 04/26/1990 | DE3836287A1 Solid-state laser |
| 04/25/1990 | EP0365511A1 Coupling-out device for gas lasers |
| 04/25/1990 | EP0365496A1 A laser arrangement in an optical communication system |
| 04/25/1990 | EP0365182A2 Flat stationary field light beam scanning device |
| 04/25/1990 | CN1007768B Mixed la-mg aluminate and laser made from aluminate single-crystal |
| 04/24/1990 | US4920542 Tunable semiconductor laser |
| 04/24/1990 | US4920541 Apparatus for generating various laser wavelengths from the same laser medium |
| 04/24/1990 | US4920088 Catalyst for the oxidation of carbon monoxide |
| 04/24/1990 | CA1268242A1 Apparatus and method for uniform ionization of high pressure gaseous media |
| 04/20/1990 | CA2001035A1 Method for controlling gas in halogen gas laser and device therefor |
| 04/19/1990 | WO1990004274A1 Gas laser oscillator |
| 04/19/1990 | WO1990004273A1 System for controlling the amount of substituting laser gas |
| 04/19/1990 | DE3835347A1 Liquid crystal cell with focusing windows |
| 04/18/1990 | EP0364162A2 Optical device |
| 04/18/1990 | EP0363735A2 Imaging lidar system using non-visible light |
| 04/18/1990 | EP0363679A2 Method of fabricating a semiconductor device |
| 04/18/1990 | EP0363547A1 Method for etching mirror facets of III-V semiconductor structures |
| 04/17/1990 | US4918751 Method for optical pulse transmission through optical fibers which increases the pulse power handling capacity of the fibers |
| 04/17/1990 | US4918704 Q-switched solid state pulsed laser with injection seeding and a gaussian output coupling mirror |
| 04/17/1990 | US4918703 Slab geometry laser material with concave edges |
| 04/17/1990 | US4918699 System for combining laser beam by transfer of energy therebetween in atomic vapor |
| 04/17/1990 | US4918698 Method of suppressing feedback oscillations in free electron lasers |
| 04/17/1990 | US4918679 Optical record carrier scanning apparatus providing optoelectronic positioning of the scanning spot |
| 04/17/1990 | US4918395 Multipass laser amplifier with at least one expanded pass |
| 04/17/1990 | CA1267964A1 Corona discharge preionizer for gas laser |
| 04/17/1990 | CA1267963A1 High-speed axial flow type gas laser oscillator |
| 04/12/1990 | DE3938642A1 Transversally excited gas laser for laser catheter - uses metal grid to provide current feedback to pulse generation network |
| 04/11/1990 | EP0363347A2 Method for making a smooth, uniform image of a laser diode array |
| 04/11/1990 | EP0363076A2 Semiconductor laser array having high power and high beam quality |
| 04/11/1990 | EP0193606B1 Critical angle rotating prism q-switch |
| 04/10/1990 | US4916712 Optically pumped slab laser |
| 04/10/1990 | US4916711 Fluorescent tri-cyclic dye |
| 04/10/1990 | US4916707 Control circuit for a pulsed gas laser |
| 04/10/1990 | US4916705 Random-access digitally-tuned coherent optical receiver |
| 04/10/1990 | US4915869 Mixed lanthanum-magnesium aluminates |
| 04/10/1990 | US4915475 Optical resonator especially for stabilizing a laser source |
| 04/10/1990 | US4915469 Active optical fibre star couplers |
| 04/10/1990 | CA2000338A1 Lead frame for a multiplicity of terminals |