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)
11/2010
11/25/2010US20100296093 Apparatus and methods using hollow-core fiber tapers
11/25/2010US20100295461 Driving circuit for and semiconductor device for driving laser diode
11/25/2010US20100294921 Method and apparatus for converting or otherwise utilizing radiation pressure to generate mechanical work
11/25/2010DE10353381B4 Granulationsbasierter Bewegungsdetektor, optische Maus, Computersystem und Verfahren Granulationsbasierter motion detector, optical mouse, computer system and method
11/25/2010DE102009035789A1 Optical system useful in a device for laser material processing, comprises a housing, optical elements arranged inside the housing and having an optically active surface, a reception zone for receiving a flushing gas, and a flushing device
11/25/2010DE102006052860B4 Beeinflussung der Ausbreitungsgeschwindigkeit von Signalen in Lichtleitern Influencing the speed of propagation of signals in optical fibers
11/24/2010EP2253056A1 Recovery of energy from a laser machining system
11/24/2010EP2253055A1 Source of femtosecond laser pulses
11/24/2010EP2253020A1 A new type of gapless semiconductor material
11/24/2010EP2252919A1 Optical clock
11/24/2010EP1756920B1 Tunable laser source with optical wavelength addressing
11/24/2010CN201657128U Positioning device for image pickup direction of in-situ law enforcement recording instrument
11/24/2010CN201656763U Pfc circuit
11/24/2010CN201656753U Parallel IGBT driving circuit
11/24/2010CN201656241U Laser for reducing damage of laser cavity
11/24/2010CN201656240U Fiber pump combiner
11/24/2010CN201656239U All fiber ytterbium-doped ultrashort pulse laser
11/24/2010CN201656238U Device for generating microwave signal by using multi-wavelength Brillouin laser
11/24/2010CN201656237U Ceramic cavity laser
11/24/2010CN201656236U Laser device cooling device of laser cutting machine
11/24/2010CN201656235U Fold back microscope base of laser
11/24/2010CN101897088A Laser light source device
11/24/2010CN101897087A Method for first-pulse optimization in Q-switched solid-state lasers and Q-switched solid state laser
11/24/2010CN101896849A External cavity tunable laser with an air gap etalon comprising wedges
11/24/2010CN101896845A Ytterbium-doped optical fiber, fiber laser, and fiber amplifier
11/24/2010CN101895055A Folded-cavity transversely excited atmospheric pressure carbon dioxide laser
11/24/2010CN101895054A Wavelength converting system and method
11/24/2010CN101895053A Cascade optical parameter transformation system and optical parameter transformation method
11/24/2010CN101895052A Laser resonant cavity comprising microcavity array
11/24/2010CN101895051A Laser resonator for outputting flattop beam through forward and backward Gaussian oscillation
11/24/2010CN101257185B Method for manufacturing organic and inorganic composite echo wall mode optical micro-cavity laser
11/24/2010CN101207261B Method for discriminating anomaly in gas composition in an discharge excitation type gas laser oscillator by current detection
11/24/2010CN101164206B Device for absorbing a laser beam and device for attenuating a laser beam
11/23/2010US7839908 Mode control waveguide laser device
11/23/2010US7839907 Laser driving apparatus
11/23/2010US7839906 Laser power control in an optical disc drive
11/23/2010US7839905 Carrier-envelope phase shift using linear media
11/23/2010US7839904 Monoblock laser systems and methods
11/23/2010US7839903 Optimization of laser bar orientation for nonpolar and semipolar (Ga,Al,In,B)N diode lasers
11/23/2010US7839902 Fibre laser system
11/23/2010US7839901 High power fiber laser system with cladding light stripper
11/23/2010US7838819 Apparatus and method of generating optical tweezers with momentum
11/18/2010WO2010132482A1 Cascaded raman fiber laser system based on filter fiber
11/18/2010WO2010132466A1 Systems and methods for cascaded raman lasting at high power levels
11/18/2010WO2010132405A1 Filter fiber for use in raman lasing applications and techniques for manufacturing same
11/18/2010WO2010130924A1 Method for generating free electrons and free-electron laser system using the interaction with a laser inverter
11/18/2010WO2010043822A9 Optical amplifier system for pulsed laser based on a guiding gain medium and pulsed laser comprising same
11/18/2010US20100290490 Heat sink and assembly or module unit
11/18/2010US20100290489 electro-absorption modulated laser (eml) assembly having a 1/4 wavelength phase shift located in the forward portion of the distributed feedback (dfb) of the eml assembly, and a method
11/18/2010US20100290488 Green Laser Generation Device, and Portable Electronic Machine Having Laser Projection Display Using the Said Device
11/18/2010US20100290487 Recycling pump-beam method and system for a high-power terahertz parametric source
11/18/2010US20100290108 Light amplifier
11/18/2010US20100290107 Fiber optical device and method of driving the same
11/18/2010US20100290106 Cascaded Raman Fiber Laser System Based on Filter Fiber
11/18/2010US20100290009 Image projector employing a speckle-reducing laser source
11/18/2010US20100288341 Photonic crystal cavities and related devices and methods
11/18/2010DE102009021251A1 Vorrichtung zur Formung von Laserstrahlung sowie Laservorrichtung mit einer derartigen Vorrichtung The forming apparatus for laser radiation, and laser device having such a device
11/18/2010DE102009003153A1 Laser e.g. solid laser, has Q-switch positioned in path of rays between laser-active medium and output mirror by light emerging from medium into light-conducting fiber that leads light coupled into fiber to output mirror
11/18/2010DE102009003137A1 Laser device for use in internal-combustion engine of motor vehicle, has laser-active solid body provided with passive Q-switch, and gradient-optical element including continuous refractive index characteristics
11/17/2010EP2251943A2 Optical fiber holding apparatus
11/17/2010EP2250714A1 Generation of burst of laser pulses
11/17/2010EP1512204B1 Multi-aperture fiber laser system
11/17/2010EP1252691B1 Wavemeter for gas discharge laser
11/17/2010CN201639147U Discoloring laser
11/17/2010CN201639146U Tuning-free solid laser
11/17/2010CN201639145U Non-diaphragm projective-line laser
11/17/2010CN201639144U Integrated high-power 6Kw crosscurrent CO2 industrial laser power supply device
11/17/2010CN201639143U Dual-wavelength single longitudinal mode fiber laser based on sampling grating
11/17/2010CN201639142U Low-cost laser
11/17/2010CN101888055A F-P cavity Q switch driven by piezoelectric ceramics
11/17/2010CN101888054A Waveguide laser for carrying out transverse mode control by adopting filtering film matcher
11/17/2010CN101888053A Electrode interface device
11/17/2010CN101886292A Er-doped gadolinium yttrium silicate laser crystal and preparation method thereof
11/17/2010CN101572380B 2.12 micron mode-locked laser
11/17/2010CN101473499B Method and apparatus for controlling carrier envelope phase
11/17/2010CN101344700B Optical converse modulator based on optical current carrier
11/17/2010CN101288212B Optical guide comprising nanoparticles and method of producing a preform which is intended to form one such optical guide
11/16/2010US7835601 Device for generating a laser light beam
11/16/2010US7835418 Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture method
11/16/2010US7835417 Narrow spectrum light source
11/16/2010US7835416 Laser device and optical amplifier
11/16/2010US7835415 Single longitudinal mode laser diode
11/16/2010US7835414 Laser gas injection system
11/16/2010US7835412 Laser control system, optical scanning device, and image forming apparatus
11/16/2010US7835411 Laser frequency stabilizing device, method and program
11/16/2010US7835410 Opto-isolator including a vertical cavity surface emitting laser
11/16/2010US7835409 Illumination light source device and laser projection device
11/16/2010US7835408 Optical transmission system
11/16/2010US7835069 WDM optical amplifier with heat radiation from laser source to amplification medium
11/16/2010US7835065 Optical packages and methods for aligning optical packages
11/16/2010US7834353 Method of manufacturing display device
11/16/2010US7833851 Semiconductor device and manufacturing method thereof
11/11/2010WO2010127831A1 Bandwidth narrowing module for setting a spectral bandwidth of a laser beam
11/11/2010WO2010127658A1 Array having an acousto-optic switch comprising an acousto-optic modulator
11/11/2010WO2010127521A1 Passively mode-locking picosecond laser
11/11/2010WO2010104650A3 Laser safety system
11/11/2010US20100284689 Input signal detection device
11/11/2010US20100284431 Optical pulse train generator
11/11/2010US20100284430 Systems and methods for generating high repetition rate ultra-short optical pulses
11/11/2010US20100284429 Pulsed light generator and pulsed fiber laser