| 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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| 03/08/2005 | US6865020 Gain-clamped semiconductor optical amplifier |
| 03/08/2005 | US6865019 Amplification optical fiber and fiber optic amplifier including the same |
| 03/08/2005 | US6865018 Multistage optical amplifier having a fiber-based amplifier stage and a planar waveguide-based amplifier stage |
| 03/08/2005 | US6865017 Optical fiber amplifier with error correction |
| 03/08/2005 | US6865016 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
| 03/08/2005 | US6864989 Method for illuminating an object with light from a laser light source |
| 03/08/2005 | US6864636 Apparatus, method, and system for a laser-assisted field emission microwave signal generator |
| 03/08/2005 | US6863216 Method of speckle-noise pattern reduction and apparatus therefor based on reducing the spatial-coherence of the planar laser illumination beam before it illuminates the target object by applying spatial phase modulation techniques during the transmission of the plib towards the target |
| 03/03/2005 | WO2005020393A2 Feedback mechanisms for stabilizing a laser system |
| 03/03/2005 | WO2004070895A3 Thulium laser pumped mid-ir source with broadbanded output |
| 03/03/2005 | US20050047781 Method and system for automatically setting gain for an amplifier in an optical network |
| 03/03/2005 | US20050047719 Optical transmitter / transceiver |
| 03/03/2005 | US20050047474 Hybrid mirror VCSEL |
| 03/03/2005 | US20050047473 Method of enhancing wavelength tuning performance in an external cavity laser |
| 03/03/2005 | US20050047472 Using relay lens to enhance optical performance of an external cavity laser |
| 03/03/2005 | US20050047471 Halogen gas discharge laser electrodes |
| 03/03/2005 | US20050047470 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode |
| 03/03/2005 | US20050047469 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode |
| 03/03/2005 | US20050047468 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode |
| 03/03/2005 | US20050047467 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode |
| 03/03/2005 | US20050047466 Gain boost with synchronized multiple wavelength pumping in a solid-state laser |
| 03/03/2005 | US20050047458 Organic laser apparatus |
| 03/03/2005 | US20050047457 Laser diode driving circuit and an optical head |
| 03/03/2005 | US20050047456 Immersion-cooled monolithic laser diode array and method of manufacturing the same |
| 03/03/2005 | US20050047455 Laser diode module |
| 03/03/2005 | US20050047454 Laser coherence control using homogeneous linewidth broadening |
| 03/03/2005 | US20050047452 Optical pulse demultiplexer and method thereof |
| 03/03/2005 | US20050047451 Dual mode single cavity pulse compressor and method |
| 03/03/2005 | US20050047315 Semiconductor laser light source device and optical pickup device |
| 03/03/2005 | US20050046929 Optical transmission systems including signal varying devices and methods |
| 03/03/2005 | US20050046928 Multi-channel laser pump source for optical amplifiers |
| 03/03/2005 | US20050046927 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
| 03/03/2005 | US20050046926 Broadband light source with dual-port structure |
| 03/03/2005 | US20050046925 Filter for selectively processing optical and other signals |
| 03/03/2005 | US20050046924 Efficient optical parametric oscillator with photon recycling |
| 03/03/2005 | US20050046914 Wavelength tuning an external cavity laser without mechanical motion |
| 03/03/2005 | US20050046856 Gas discharge mopa laser spectral analysis module |
| 03/03/2005 | DE102004035228A1 Laser mit Q-Switch Laser Q-switch |
| 03/03/2005 | DE102004024611A1 Optically pumped semiconductor device uses vertical resonator having mirror layers and vertically emitting quantum well structure formed on mirror layers |
| 03/02/2005 | EP1511135A1 Immersion-cooled monolithic laser diode array and method of manufacturing the same |
| 03/02/2005 | EP1511134A2 Pulsed laser oscillator in single longitudinal mode stabilised in frequency and relative operative method |
| 03/02/2005 | EP1509980A1 Resonator |
| 03/02/2005 | EP1509979A1 Method and arrangement for generating amplified spontaneous emission of coherent short-wave radiation |
| 03/02/2005 | EP1509978A2 System and method for high-speed laser detection of ultrasound |
| 03/02/2005 | EP1509976A1 Cascaded raman pump for raman amplification in optical systems |
| 03/02/2005 | EP1509974A1 Pulse amplification with stretcher providing negative dispersion |
| 03/02/2005 | EP1430622B1 Improvements in or relating to signal transmission in an optical system |
| 03/02/2005 | EP1311878A4 Amorphous compounds for wideband optical amplifiers |
| 03/02/2005 | EP1040375B1 Temperature stabilization of optical waveguides |
| 03/02/2005 | CN2682696Y Narrow pulse width diode pumping solid laser with control of pumping light spatial distribution |
| 03/02/2005 | CN2682695Y Diode current protector for laser diode pumping solid laser |
| 03/02/2005 | CN1589513A Mid-ir microchip laser: ZnS:Cr2+ laser with saturable absorber material |
| 03/02/2005 | CN1588715A Frequency multipliver plate strip laser device in folding chamber for compensating astigmatism |
| 03/02/2005 | CN1588714A Direct cooling lype anode plate |
| 03/02/2005 | CN1588713A Constant temperature dehumidifying high stable femtosecond laser |
| 03/02/2005 | CN1588712A High energy femtosecond laser of small high repeat frequency |
| 03/02/2005 | CN1588711A Tunable single longitudinal mode optical-fiber laser for clearing beat frequency noise |
| 03/02/2005 | CN1588710A Pulse laser transerse mode separating method |
| 03/02/2005 | CN1588222A Central pump optical fiber laser and optical fiber amplifier |
| 03/02/2005 | CN1588221A Achromatic optical parameter chirp pulse amplifying system |
| 03/01/2005 | US6862309 Passivation scheme for oxide vertical cavity surface-emitting laser |
| 03/01/2005 | US6862308 Hybrid heat capacity-moving slab solid-state laser |
| 03/01/2005 | US6862307 Electrical excitation circuit for a pulsed gas laser |
| 03/01/2005 | US6862300 High power semiconductor laser diode and method for making such a diode |
| 03/01/2005 | US6862135 Raman amplifiers with improved signal power management |
| 03/01/2005 | US6862134 Distributed optical amplifier, amplifying method, and optical communication system |
| 03/01/2005 | US6862133 Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification |
| 03/01/2005 | US6862132 Suppression of double rayleigh backscattering and pump reuse in a raman amplifier |
| 03/01/2005 | US6862131 Laser light generating apparatus and method |
| 03/01/2005 | US6862126 Transmission wavelength characteristics variable optical element, and wavelength characteristics variable apparatus, optical amplifier, optical transmission system, and control method of transmission wavelength characteristics, using same |
| 03/01/2005 | US6862079 Light source, light source generation control method, exposure apparatus and maintenance method therefor, and semiconductor device manufacturing method and semiconductor production facility |
| 03/01/2005 | US6861848 Capacitance position sensor and position controller equipped with the sensor |
| 03/01/2005 | US6861614 S system for the formation of a silicon thin film and a semiconductor-insulating film interface |
| 03/01/2005 | US6861008 Method and device for laser drilling organic materials |
| 02/24/2005 | WO2005018065A1 Optical amplifier apparatus |
| 02/24/2005 | WO2005018059A2 Passive gas flow management and filtration device for use in an excimer or transverse discharge laser |
| 02/24/2005 | WO2005017955A2 Polarization maintaining dispersion controlled fiber laser source of ultrashort pulses |
| 02/24/2005 | WO2005017567A2 Optical fiber amplifier with fully integrated pump source |
| 02/24/2005 | WO2005017490A2 Method for preparing and processing a sample for intensive analysis |
| 02/24/2005 | WO2004092776A3 Method and system for use in optical code division multiple access |
| 02/24/2005 | WO2004073121A3 Producing a polarized laser beam with minimum divergence and a desired spatial cross-section |
| 02/24/2005 | US20050041971 Multi-wavelength optical transmitter and bi-directional wavelength division multiplexing system using the same |
| 02/24/2005 | US20050041718 Laser |
| 02/24/2005 | US20050041717 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+ , Sm3+, Eu3+, Dy3+, Er3+ and Tb3+ is excited with GaN-based compound laser diode |
| 02/24/2005 | US20050041716 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode |
| 02/24/2005 | US20050041714 Long wavelength vertical cavity surface emitting laser with monolithically grown photodetector |
| 02/24/2005 | US20050041705 Automatic control device for laser power |
| 02/24/2005 | US20050041704 Laser frequency stabilization device and a method for laser frequency stabilization |
| 02/24/2005 | US20050041703 Laser system |
| 02/24/2005 | US20050041702 High energy optical fiber amplifier for picosecond-nanosecond pulses for advanced material processing applications |
| 02/24/2005 | US20050041701 Laser spectral engineering for lithographic process |
| 02/24/2005 | US20050041698 Fabry-perot laser generating mode-locked channel and method for fabricating the same |
| 02/24/2005 | US20050041697 Portable laser |
| 02/24/2005 | US20050041280 Semiconductor optical amplifier having photo detector and method of fabricating the same |
| 02/24/2005 | US20050040149 Single head laser high throughput laser shock peening |
| 02/24/2005 | DE102004030949A1 Intracavity-gepumpte Laserquelle Intracavity-pumped laser source |
| 02/24/2005 | DE10132329B4 Lichtemittierende Vorrichtung und Verfahren zu ihrer Herstellung A light emitting device and process for their preparation |
| 02/23/2005 | EP1508397A1 Method and apparatus for simultaneous heating of materials |
| 02/23/2005 | EP1508188A1 Laser cavity with variable dispersion element |
| 02/23/2005 | EP1507487A1 Variable repetition rate firing scheme for refractive laser systems |