Patents
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)
11/2004
11/10/2004CN2655476Y Variable focus connector for double layer optical fiber laser outputting
11/10/2004CN2655475Y Gas laser with isolation valve
11/10/2004CN2655474Y Narrow band output double layer optical fiber laser
11/10/2004CN2655297Y Coaxial recording phase difference amplifying holographing apparatus
11/10/2004CN2655271Y Laser energy uniform distributing device
11/10/2004CN2655268Y Precise rotation biprism light beam scanner
11/10/2004CN2655260Y Reflective fly eye type light beam uniform apparatus
11/10/2004CN1545174A Laser resonator with corner mirror
11/10/2004CN1545173A Middle power carbon dioxide laser tube
11/10/2004CN1545172A Table type fully solidified high repetition frequency femtosecond laser
11/10/2004CN1545171A Single-double wave convertible wavelength location and interval adjustable erbium doped fibre-optical laser
11/10/2004CN1544971A Linear light beam reshaper
11/10/2004CN1175315C Long wave band erbium mixed amplifier with low noise, high gain and high plain
11/10/2004CN1175304C On-line regulator for dynamic coaxial regulation of space filter
11/10/2004CN1175295C Long period optical fiber grating filter device
11/09/2004US6816658 Photonic crystal fiber with a large effective surface area
11/09/2004US6816657 Raman fiber optic amplifier with reduced dispersion
11/09/2004US6816652 Pump fiber bundle coupler for double-clad fiber devices
11/09/2004US6816536 Method and apparatus for in situ protection of sensitive optical materials
11/09/2004US6816534 Tunable single frequency filter for lasers
11/09/2004US6816533 Laser oscillator
11/09/2004US6816532 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
11/09/2004US6816531 High-power, kink-free, single mode laser diodes
11/09/2004US6816530 Nonlinear semiconductor light sources
11/09/2004US6816523 VCSEL package and fabrication method
11/09/2004US6816520 Solid state system and method for generating ultraviolet light
11/09/2004US6816519 Solid-state laser device
11/09/2004US6816515 Wavelength-swept laser and method for its operation
11/09/2004US6816514 Rare-earth doped phosphate-glass single-mode fiber lasers
11/09/2004US6816513 High power high efficiency cladding pumping fiber laser
11/09/2004US6815662 Apparatus and method for measuring optical signals by optical sampling
11/09/2004US6815638 Method of determining a minimum pulse width for a short pulse laser system
11/09/2004US6813903 Producing material for drawing optical fibers; forming high crystalline material containing oxides of magnesium, aluminum, silicon, titanium and sodium
11/04/2004WO2004095739A1 Distributed and discrete amplification of optical signals
11/04/2004WO2004095738A1 Counter-pumped distributed raman amplification in wavelength division multiplex optical communication systems
11/04/2004WO2004095664A1 Programmable damping resistance for laser drivers
11/04/2004WO2004095661A1 2-stage laser device for exposure
11/04/2004WO2004095660A1 Laser apparatus for generating a visible laser beam
11/04/2004WO2004095659A1 Device for generating plane beam/conical shape beam and security device using generated plane beam/cone beam
11/04/2004WO2004095658A2 Control of the spatio-temporal uniformity of a pulsed gas laser beam
11/04/2004WO2004095657A1 Q-switching method for pulse train generation by interrupting cw operation of the laser for adjustable time periods
11/04/2004WO2004095656A1 Coated optics to improve durability
11/04/2004WO2004095655A1 Reduced clad diameter rare earth doped fiber coils and optical amplifiers utiliying such coils
11/04/2004WO2004095654A2 Adjustable power control for laser drivers and laser diodes
11/04/2004WO2004095653A2 Optical frequency synthesizer
11/04/2004WO2004095592A2 A system and method for an improved light-emitting device
11/04/2004WO2004095473A1 High-speed particle generator
11/04/2004WO2004095083A2 Asymmetric distribution of optical pump power
11/04/2004WO2004094952A1 Stabilised solid-state laser gyroscope
11/04/2004WO2004082084A3 Multi-color semiconductor lasers
11/04/2004WO2004066458A3 Fiber laser
11/04/2004US20040220332 Method for doping a polymer
11/04/2004US20040218882 Large effective area high SBS threshold optical fiber
11/04/2004US20040218863 Optical fiber thermal compensation device
11/04/2004US20040218862 Wavelength dispersion compensator and optical transmission line
11/04/2004US20040218656 Assembly with tapered, threaded ferrule housing for improved alignment of fiber with laser
11/04/2004US20040218654 Locally-outcoupled cavity resonator having unidirectional emission
11/04/2004US20040218653 Laser resistant to internal ir-induced damage
11/04/2004US20040218652 Eye-safe solid state laser system and method
11/04/2004US20040218651 Electron-beam excitation laser
11/04/2004US20040218650 Waveguide laser
11/04/2004US20040218649 Room-temperature source of single photons based on a single molecule in a condensed matter host
11/04/2004US20040218648 Laser diode and method of manufacturing the same using self-align process
11/04/2004US20040218643 Method of monitoring an optical signal from a laser
11/04/2004US20040218641 Optical contacting method and apparatus
11/04/2004US20040218639 Sampled grating distributed feedback wavelength tunable semiconductor laser integrated with sampled grating distributed bragg reflector
11/04/2004US20040218637 Laser unit
11/04/2004US20040218636 Laser apparatus, laser system, and laser apparatus manufacturing method
11/04/2004US20040218635 Fiber laser
11/04/2004US20040218259 Method and apparatus for use of III-nitride wide bandgap semiconductors in optical communications
11/04/2004US20040218258 Method and apparatus for controlling power transients in an optical communication system
11/04/2004US20040218257 Evanescent-field optical amplifiers and lasers
11/04/2004US20040218256 Optical Amplifier
11/04/2004US20040218255 Diode-pumped alkali amplifier
11/04/2004US20040218254 Zigzag slab laser amplifier with integral reflective surface and method
11/04/2004US20040218253 Tuning a narrow band filter for telecommunication applications with an acoustic optical tunable filter
11/04/2004US20040218250 Miniaturized external cavity laser (ECL) implemented with acoustic optical tunable filter
11/04/2004US20040217704 Display unit and method of manufacturing the same
11/04/2004DE202004011832U1 Light beam blocking system for machining laser with synchronized triggering uses chopper disk with opaque sectors and laser trigger pulses may be synchronized with rotation of disk
11/04/2004CA2535393A1 Asymmetric distribution of optical pump power
11/04/2004CA2523122A1 Optical frequency synthesizer
11/04/2004CA2521491A1 Control of the spatio-temporal uniformity of a pulsed gas laser beam
11/03/2004EP1472765A2 Laser gain module
11/03/2004EP1472764A2 Method for configuring a laser operating system
11/03/2004EP1472763A2 High coherent power, two-dimensional surface-emitting semiconductor diode array laser
11/03/2004EP1423892A4 Cooling of high power laser systems
11/03/2004EP1066546B8 Method and device for resonance amplification, especially for adjustable frequency conversion of laser radiation
11/03/2004EP0923799B1 Frequency doubled laser with an intracavity nonlinear, quasi-phase matching element
11/03/2004CN2653544Y Beat frequency full light wave length converter
11/03/2004CN1543720A 光放大器 Optical amplifier
11/03/2004CN1543024A High power, narrow linewidth double-cladding fiber laser and making method
11/03/2004CN1543023A Large mode area double-cladding fiber single-mode laser and manufacturing method
11/03/2004CN1542490A Precise rotation biprism optical beam scanner and control method thereof
11/03/2004CN1542474A Double cladding fiber for high power fiber laser
11/03/2004CN1174529C Frequency locker in optical fiber
11/03/2004CN1174528C Optical fiber amplifier for controlling gain flatness
11/03/2004CN1174271C Optical elements
11/03/2004CN1174270C Method for obtaining phase conjugated light by using combined optical fiber
11/03/2004CN1174267C Optical fibre for light amplifier
11/03/2004CN1174125C Non-linear infrared inorganic optical crystal and its preparing process