| 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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| 02/23/1999 | US5875203 Stable fiber ASE sources incorporating spectral filtering |
| 02/23/1999 | US5875058 Optical assembly |
| 02/23/1999 | US5875054 Bidirectional optical amplifier circuit |
| 02/23/1999 | US5873923 Method of making a cladding pumped fiber structure |
| 02/23/1999 | CA2245460A1 Unequal couplers for multimode pumping optical amplifiers |
| 02/23/1999 | CA2245457A1 Twin coupler with mode scrambling for multimode pumping of optical amplifiers |
| 02/23/1999 | CA2004716C Superfluorescent broadband fiber laser source |
| 02/18/1999 | WO1999008347A1 Slab laser with optical imaging system for beam shaping |
| 02/18/1999 | WO1999008156A1 Laser-illuminated stepper or scanner with energy sensor feedback |
| 02/18/1999 | WO1999008133A2 Stepper or scanner having two energy monitors for a laser |
| 02/18/1999 | WO1998052254A3 Crystal isolation housing |
| 02/18/1999 | WO1998050989A3 Organic lasers |
| 02/18/1999 | DE19735293A1 Security marking system for valuable documents e.g. banknotes |
| 02/18/1999 | DE19734641A1 Bandleiterlaser mit einem optischen Abbildungssystem zur Strahlformung Stripline laser with an optical imaging system for beamforming |
| 02/18/1999 | DE19732759A1 Laser acousto-optical modulator device for solid state laser |
| 02/18/1999 | DE19732758A1 Laser resonator stabilisation method |
| 02/17/1999 | EP0897206A1 Laser oscillator |
| 02/17/1999 | EP0897205A2 Method and device for optical amplification and system having the device |
| 02/17/1999 | EP0897124A1 Design of complex optical fiber filters using long-period gratings |
| 02/17/1999 | EP0666976B1 Method and apparatus for compensating for the residual birefringence in interferometric fiber-optic gyros |
| 02/17/1999 | CN1208274A Microchannel cooling assembly for high-power laser diode array |
| 02/17/1999 | CN1208178A Method and device for optical amplification and system having the device |
| 02/16/1999 | US5872804 Solid-state laser amplifier |
| 02/16/1999 | US5872803 Laser diode pumped solid-state laser apparatus |
| 02/16/1999 | US5872650 Optical amplifiers |
| 02/16/1999 | US5872649 Method of amplifying an optical signal using an optical amplifier |
| 02/16/1999 | US5872022 Method for etching a semiconductor method for fabricating semiconductor device method for fabricating semiconductor laser and semiconductor laser |
| 02/16/1999 | US5871479 Alexandrite laser system for hair removal and method therefor |
| 02/16/1999 | CA2124710C Pumping arrangments for arrays of planar optical devices |
| 02/16/1999 | CA2119503C Wavelength division multiplexed optical communication transmitters |
| 02/16/1999 | CA2019827C Fast optical switch and limiter using quantum size effect in metal grain composites |
| 02/12/1999 | CA2244572A1 Design of complex optical fiber filters using long-period gratings |
| 02/11/1999 | WO1999007096A1 Multi-band amplification system for dense wavelength division multiplexing |
| 02/11/1999 | WO1999007086A1 Method and apparatus for laser communication through a lossy medium |
| 02/11/1999 | WO1999006330A1 Optical waveguide attenuating device and method for producing the same |
| 02/11/1999 | CA2299596A1 Method and apparatus for laser communication through a lossy medium |
| 02/11/1999 | CA2299441A1 Multi-band amplification system for dense wavelength division multiplexing |
| 02/11/1999 | CA2295685A1 Optical waveguide attenuating device and method for producing the same |
| 02/10/1999 | EP0896404A1 Cladding pumped fiber lasers |
| 02/10/1999 | CN1207617A System of controlling wavelength division multiplexed optical amplifier and method thereof |
| 02/10/1999 | CN1207598A Tunable middle frequency difference He-Ne double frequency laser |
| 02/09/1999 | US5870422 Chemical reactant mixing nozzle |
| 02/09/1999 | US5870421 Laser system for removing material from a substrate |
| 02/09/1999 | US5870420 Cross-flow blower with braces |
| 02/09/1999 | US5870416 Semi-monolithic ring cavity for second harmonic generation of laser frequency |
| 02/09/1999 | US5870415 Lasers |
| 02/09/1999 | US5870217 Multi-wavelength optical batch amplification apparatus |
| 02/09/1999 | US5870133 Laser scanning device and light source thereof having temperature correction capability |
| 02/04/1999 | WO1999005804A1 Directly modulated semiconductor laser having reduced chirp |
| 02/04/1999 | WO1999005803A2 Laser wavelength control under direct modulation |
| 02/04/1999 | WO1999005759A1 Wavelength shift correction technique for a laser |
| 02/04/1999 | WO1998053351A3 Optical devices and methods of fabrication thereof |
| 02/04/1999 | DE19733195A1 Highly compact laser scanning microscope |
| 02/03/1999 | EP0895326A1 Semiconductor optical amplifier |
| 02/03/1999 | EP0895324A1 Microwave excitation gas laser oscillating apparatus |
| 02/03/1999 | EP0895322A1 Gas laser |
| 02/03/1999 | EP0895321A2 Device for applying thermal energy to heat shrinking sleeves, in particular for ready-made electric, electronic or telecommunication cable |
| 02/03/1999 | EP0895072A2 System for multiplexed high resolution measurement of frequency variations in multimode fiber laser acoustic sensors |
| 02/03/1999 | EP0894349A1 Method and apparatus for eliminating reflected energy due to stage mismatch in nonlinear magnetic compression module |
| 02/03/1999 | EP0811176A4 Fiber for reduced polarization effects in amplifiers |
| 02/03/1999 | CN2306597Y Composite wavelength laser |
| 02/03/1999 | CN1041981C 波导激光器 Waveguide lasers |
| 02/02/1999 | US5867623 Integrated optic device with active and passive guide zones |
| 02/02/1999 | US5867520 Optical unit for multiplying the frequency of a clock signal |
| 02/02/1999 | US5867519 Multiple element, folded beam laser |
| 02/02/1999 | US5867518 Multiple element laser pumping chamber |
| 02/02/1999 | US5867517 Integrated gas laser RF feed and fill apparatus and method |
| 02/02/1999 | US5867514 Laser wavelength control circuit having automatic DC offset and gain adjustment |
| 02/02/1999 | US5867512 Tuning arrangement for a semiconductor diode laser with an external resonator |
| 02/02/1999 | US5867324 Side-pumped laser with shaped laser beam |
| 02/02/1999 | US5867306 Optical amplifier |
| 02/02/1999 | US5867305 Optical amplifier with high energy levels systems providing high peak powers |
| 02/02/1999 | US5867304 Use of aperiodic quasi-phase-matched gratings in ultrashort pulse sources |
| 02/02/1999 | US5867258 System for multiplexed high resolution measurement of frequency variations in multimode fiber laser acoustic sensors |
| 02/02/1999 | CA2091821C Optical communications system employing fiber-optic amplifiers and control of the transmitter wavelength |
| 01/28/1999 | WO1999004467A1 Wavelength reference for excimer laser |
| 01/28/1999 | WO1999004466A1 Frequency stabilised semiconductor laser |
| 01/28/1999 | WO1999004465A1 Pulse laser with pulse energy trimmer |
| 01/28/1999 | WO1999004464A1 Ring laser gyroscope with ion flux trap electrode |
| 01/28/1999 | WO1999004317A1 Solid state uv laser |
| 01/28/1999 | WO1999004221A1 Ring laser gyro readout |
| 01/28/1999 | WO1998048491A3 Multi-element, single mode microchip lasers |
| 01/28/1999 | CA2294885A1 Solid state uv laser |
| 01/28/1999 | CA2286197A1 Wedge readout design for improved gg1308 readout signal amplitude stability |
| 01/27/1999 | EP0893862A2 Tapered fiber bundles for coupling light into and out of cladding-pumped fiber devices |
| 01/27/1999 | EP0893719A1 Apparatus for pumping an optical fiber laser |
| 01/27/1999 | EP0873529A4 Ring interferometer configuration for writing gratings |
| 01/27/1999 | CN2305795Y Laser reflector having abrupt reflectivity |
| 01/26/1999 | US5864645 Double-core light-conducting fiber, process for producing the same, double-core fiber laser, and double-core fiber amplifier |
| 01/26/1999 | US5864644 Tapered fiber bundles for coupling light into and out of cladding-pumped fiber devices |
| 01/26/1999 | US5864574 Semiconductor gain medium with a light Divergence region that has a patterned resistive region |
| 01/26/1999 | US5864430 Gaussian beam profile shaping apparatus, method therefor and evaluation thereof |
| 01/26/1999 | US5864424 Optical signal amplifying circuit |
| 01/26/1999 | US5864423 Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path |
| 01/26/1999 | US5864422 Light amplifier device capable of suppressing light surge |
| 01/26/1999 | US5863017 Stabilized laser platform and module interface |
| 01/26/1999 | CA2102440C Solid state laser apparatus |
| 01/21/1999 | WO1999003177A1 Frequency doubling in laser resonators |
| 01/21/1999 | WO1999003176A1 Excimer laser with magnetic bearings supporting fan |
| 01/21/1999 | WO1998046538A3 Low-energy phonon spectrum glass composition, method for the production and use thereof |