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)
10/2004
10/21/2004US20040207911 Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier
10/21/2004US20040207909 Raman gain measuring method and apparatus
10/21/2004US20040207908 Raman amplifier system
10/21/2004US20040207906 Optical 2R/3R regeneration
10/21/2004US20040207904 Compact and stable broadband erbium amplified spontaneous emission (ASE) source
10/21/2004DE202004011666U1 Gas discharge laser esp. excimer laser or F2 laser with dust removal and gas cleaning by applying high frequency high voltage pulses to electrodes
10/21/2004DE19510939B4 Verfahren zur Reinigung des Austrittsfensters eines gepulsten Laserstrahls und Vorrichtung zur Durchführung des Verfahrens A method of cleaning the exit window of a pulsed laser beam, and apparatus for carrying out the method
10/21/2004DE102004017513A1 Lasersystem und Verwendung desselben The same laser system and use
10/20/2004EP1469621A1 Raman amplifying device and method for pump modulation
10/20/2004EP1469569A2 Semiconductor laser diode and semiconductor laser diode assembly containing the same
10/20/2004EP1468774A1 Laser irradiation method, laser irradiation apparatus, and method for manufacturing semiconductor device
10/20/2004EP1468328A2 Rubidium titanyl arsenate-silver gallium selenide tandem optical parametric oscillator
10/20/2004EP1468320A1 Cooled mirror for a laser beam
10/20/2004CN2650357Y Adjustable constant temperature control instrument for pulse-width modulating laser
10/20/2004CN2650356Y Wavelength tuneable optical fiber laser
10/20/2004CN2650355Y High-power narrow-line-width dual-cladding optical fiber laser
10/20/2004CN1539090A High refractivity filber waveguides and its application
10/20/2004CN1538893A Multi-beam micro-machining system and method
10/20/2004CN1538786A Display device and method for manufacturingthe display device
10/20/2004CN1538582A Manufacturing method of semiconductor laser device
10/20/2004CN1538256A Large power CO2 laser PLC control method
10/20/2004CN1538231A Fluorescent dye reinforced Raman laser frequency-shift appartus and use
10/20/2004CN1172216C Optical filter
10/19/2004US6807497 Laser measurement system with digital delay compensation
10/19/2004US6807376 Gain equalizer which includes a plurality of optical filters for equalizing the gain of an optical amplifier
10/19/2004US6807373 Multiband Raman amplifier
10/19/2004US6807338 Multiwavelength cascaded raman resonator
10/19/2004US6807219 Laser housing having integral mounts and method of manufacturing same
10/19/2004US6807218 Laser module and optical subassembly
10/19/2004US6807217 Tuning a laser
10/19/2004US6807216 Circular laser
10/19/2004US6807211 White-light laser
10/19/2004US6807210 Systems and a method for generating blue laser beam
10/19/2004US6807205 Precise monitor etalon calibration technique
10/19/2004US6807203 Calibrating a frequency difference between two or more lasers over an extended frequency range
10/19/2004US6807201 Laser with phase controlling region and method for driving the same
10/19/2004US6807200 Apparatus for generating laser radiation
10/19/2004US6807198 Laser device
10/19/2004US6807197 Gain control in nonlinear polarization amplifier stages
10/19/2004US6807002 Planar Lightwave circuit type optical amplifier
10/19/2004US6807001 Auto shutdown for distributed raman amplifiers on optical communication systems
10/19/2004US6807000 Gain measurement device for optical amplifier and method thereof
10/19/2004US6806999 Raman amplification pumping module, Raman amplifier, and optical communication system
10/19/2004US6806998 Raman amplifier with high power distribution bypass
10/19/2004US6806784 Miniature frequency standard based on all-optical excitation and a micro-machined containment vessel
10/19/2004US6806440 Quasi-CW diode pumped, solid-state UV laser system and method employing same
10/14/2004WO2004068652A3 Method and apparatus for coherently combining laser oscillators
10/14/2004WO2004049523A3 Off-peak optical pumping of yttrium orthovanadate
10/14/2004WO2004036704A3 Erbium doped fibres
10/14/2004WO2004009724A3 Creating photon atoms
10/14/2004US20040203248 Laser apparatus, laser irradiation method, and manufacturing method of semiconductor device
10/14/2004US20040202437 Optical transmission line, method of making optical transmission line, and optical transmission system
10/14/2004US20040202225 Coated optics to improve durability
10/14/2004US20040202224 Semiconductor laser device and optical pickup device
10/14/2004US20040202223 External cavity laser having improved single mode operation
10/14/2004US20040202222 Solid state laser gyro comprising a resonator block
10/14/2004US20040202221 Particle beam device
10/14/2004US20040202220 Master oscillator-power amplifier excimer laser system
10/14/2004US20040202219 Excimer or molecular fluorine laser with several discharge chambers
10/14/2004US20040202218 Fiber extended, semiconductor laser
10/14/2004US20040202216 Adjustable power control for laser drivers and laser diodes
10/14/2004US20040202215 Programmable damping for laser drivers
10/14/2004US20040202213 Semiconductor optical package
10/14/2004US20040202211 Temperature control systems for excimer lasers
10/14/2004US20040202210 Control system for a semiconductor laser
10/14/2004US20040202209 Quasi-phase-matching photodynamic therapy (PDT) and photodynamic diagnosis ( PDT) laser sources
10/14/2004US20040202208 Laser diode with a spatially varying electrostatic field frequency converter
10/14/2004US20040202207 Q-switching method for pulse train generation
10/14/2004US20040201882 Optical amplifiers, optical fiber raman amplifiers and optical systems
10/14/2004US20040201881 Raman amplifying device and method for pump modulation
10/14/2004US20040201076 Method of radiation generation and manipulation
10/14/2004US20040201000 Polymer blends for optical amplification
10/13/2004EP1467506A1 Method, apparatus and system for controlling the effects of power transients in optical transmission systems
10/13/2004EP1467452A1 Gas laser oscillator
10/13/2004EP1466392A1 Device and method for optically exciting laser-active crystals with polarization-dependent absorption
10/13/2004EP1293018B1 Fiber laser
10/13/2004EP1092249B1 Wide bandwidth raman amplifier
10/13/2004CN2648646Y Laser light-focusing chamber and laser head with the same light-focusing chamber
10/13/2004CN2648645Y 激光管结构 Laser tube structure
10/13/2004CN2648644Y Prelaser photoelectric optical modulating & single-longitudinal mode laser
10/13/2004CN1537350A Tuneable vertical catity laser amplifier
10/13/2004CN1537083A Optical waveguide products including zone with fluorie-containing
10/13/2004CN1536721A Laser device and laser wavelength converter
10/13/2004CN1171518C Method and apparatus for processing ceramic inner piece
10/13/2004CN1171119C Wide-band erbium-mixed optical-fiber amplifier and method for amplifying optical signal
10/13/2004CN1171084C Gas detecting system using internal cavity spectrum laser
10/12/2004US6804441 Optical fiber, optical fiber component and optical transmission method
10/12/2004US6804287 Ultrashort pulse amplification in cryogenically cooled amplifiers
10/12/2004US6804286 Gas laser device
10/12/2004US6804285 Gas supply path structure for a gas laser
10/12/2004US6804284 Optical element holding and extraction device
10/12/2004US6804283 Compact electrically and optically pumped multi-wavelength nanocavity laser, modulator and detector arrays and method of making the same
10/12/2004US6804274 Laser amplifying system
10/12/2004US6804273 Method and system for compensating a frequency stabilized optical source
10/12/2004US6804270 Efficient fiber-semiconductor tunable laser source
10/12/2004US6804269 Laser beam delivery system with trepanning module
10/12/2004US6804047 All-optical or gate embodied by using semiconductor optical amplifiers
10/12/2004US6804046 Optical amplification fiber, fiber optic amplifier, and optical communication system
10/12/2004US6804045 Optical chirped beam amplification and propagation
10/12/2004US6804042 Method for producing highly accurate frequency and FM of a laser