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)
05/2005
05/19/2005US20050105865 All-fiber chirped pulse amplification systems
05/19/2005US20050105845 Semiconductor laser device, semiconductor laser module, and optical fiber amplifier
05/19/2005US20050105581 CO2 waveguide laser with beryllium oxide waveguides
05/19/2005US20050105580 Apparatus for and method of series operation of DC microdischarge stages in a tube geometry for microlaser applications
05/19/2005US20050105579 Laser output light pulse stretcher
05/19/2005US20050105578 Wavelength-tunable light source and method for fabricating the same
05/19/2005US20050105574 Laser driver for optical communication network
05/19/2005US20050105573 Driver circuit for a semiconductor laser diode with a short time constant of the feedback loop
05/19/2005US20050105572 Laser diode device
05/19/2005US20050105569 Laser control unit, laser control circuit, and laser-power adjustment method
05/19/2005US20050105568 Pulse control in laser systems
05/19/2005US20050105565 External cavity laser with rotary tuning element
05/19/2005US20050105171 Reflective semiconductor optical amplifier light source
05/19/2005US20050105170 Optical amplifier and control method for optical amplifier
05/19/2005US20050105169 Wideband light source
05/19/2005US20050105168 Apparatus and method for upgrading a narrow-band optical communication system to a system with wide spectral band optical amplification
05/19/2005US20050105166 Multiple order raman amplifier
05/19/2005US20050105165 Raman amplifier, pump source for use in a raman amplifier and method for amplifying an optical signal
05/19/2005US20050105164 Electrical insulating ring located between an end cap and a tension sleeve of an undersea pressure vessel housing an optical amplifier module
05/19/2005US20050103904 Laser nozzle and iodine injection for coil
05/19/2005DE102004002221B3 Optical symmetry device for high power laser diode array used in materials processing, medical, telecommunications, illumination, display, analysis, printing or photographic device, or for laser pumping
05/18/2005EP1531563A1 Multiple order raman amplifier
05/18/2005EP1531529A2 External cavity laser with rotary tuning element
05/18/2005EP1531466A2 Wavelength-tunable light source
05/18/2005EP1531355A1 Wavelength divition multiplex optical regeneration system and wavelength division multiplex optical regeneration method
05/18/2005EP1530744A2 Method and apparatus for increasing the intensity of an eye safe laser
05/18/2005EP1264202B1 Silicon nanoparticle stimulated emission devices
05/18/2005CN2701130Y Semiconductor laser pumped intracavity sum frequency folding type resonant cavity laser
05/18/2005CN2700897Y Double cladding optical fiber
05/18/2005CN1618152A Return path transmitter having a closed laser control loop that is employed in a hybrid fiber / coax transmission system
05/18/2005CN1617783A Method and apparatus for increasing the material removal rate in laser machining
05/18/2005CN1617292A Pulse xenon lamp sealed by short distance molybdenum foil
05/18/2005CN1617039A Cooling device for high power double clad optical fiber laser output end
05/18/2005CN1617037A Broadband envelope flat full optical fiber multiple wavelength Raman laser
05/18/2005CN1617011A Micro zooming structure for semiconductor laser light source
05/18/2005CN1617005A Wideband light source
05/18/2005CN1617003A Cladding pumped optical fiber gain device
05/17/2005US6895152 Guided-mode laser apparatus with improved cladding structure and a method of fabricating thereof
05/17/2005US6895030 Laser oscillating device
05/17/2005US6894832 Technique for adaptively controlling gain in an optical amplifier
05/17/2005US6894831 Pump assembly employing coupled radiation sources for multiple fibers
05/17/2005US6894830 Bi-directional optical-amplifier module
05/17/2005US6894829 Optical amplifier modules
05/17/2005US6894828 Power scalable waveguide amplifier and laser devices
05/17/2005US6894826 Light source unit and light irradiation unit, and device manufacturing method
05/17/2005US6894785 Gas discharge MOPA laser spectral analysis module
05/17/2005US6894586 Radial bulk annular resonator using MEMS technology
05/17/2005US6894248 Laser beam machining apparatus
05/17/2005CA2171781C Semiconductor lasers comprising rare earth metal-doped diamond
05/12/2005WO2005043701A1 Method for manufacturing gratings in semiconductor materials
05/12/2005WO2005043700A2 Single polarization optical fiber laser and amplifier
05/12/2005WO2005043697A2 Surface emitting and receiving photonic device with lens
05/12/2005WO2005043695A2 Surface emitting and receiving photonic device
05/12/2005WO2005043694A2 Fiber coupling enhancement via external feedback
05/12/2005WO2005029657A8 Solar cell module and its element
05/12/2005WO2005017955A3 Polarization maintaining dispersion controlled fiber laser source of ultrashort pulses
05/12/2005WO2005002005A3 Multiple emitter side-pumping method and apparatus for fiber lasers
05/12/2005WO2005001399A3 Method and apparatus for measuring bandwidth of an optical spectrum output of a very small wavelength very narrow bandwidth high power laser
05/12/2005WO2004112206A3 Optical apparatus
05/12/2005US20050102008 Variable repetition rate firing scheme for refractive laser systems
05/12/2005US20050100345 Monolithic transmitter/receiver photonic integrated circuit (Tx/RxPIC) transceiver chip
05/12/2005US20050100343 Raman amplification repeater and optical transmission system using the same
05/12/2005US20050100296 Optical device
05/12/2005US20050100280 Optical bandpass filter using long period gratings
05/12/2005US20050100262 Variable light wave function circuit and variable light wave function device
05/12/2005US20050100075 Ultra-compact, low cost high powered laser system
05/12/2005US20050100074 Laser apparatus in which GaN-based compound surface-emitting semiconductor element is excited with GaN-based compound semiconductor laser element
05/12/2005US20050100073 Cladding-pumped quasi 3-level fiber laser/amplifier
05/12/2005US20050100072 High power laser output beam energy density reduction
05/12/2005US20050100068 Surface-emitting laser diode having reduced device resistance and capable of performing high output operation, surface-emitting laser diode array, electrophotographic system, surface-emitting laser diode module, optical telecommunication system, optical interconnection system using the surface-emitting laser diode, and method of fabricating the surface-emitting laser diode
05/12/2005US20050100065 Controller calibration for small form factor sampled grating distributed bragg reflector laser
05/12/2005US20050100063 Mirror structure for reducing the effect of feedback on a VCSEL
05/12/2005US20050100061 Optical pickup and hologram laser
05/12/2005US20050100060 Multi-group multi-wavelength laser matrix
05/12/2005US20050099676 Raman amplifier and optical relay transmission system
05/12/2005US20050099675 Long-wavelength-band gain-controlled optical amplifier
05/11/2005EP1530308A2 Method and apparatus for implementing optical supervisory channel using broadband noise modulation
05/11/2005EP1529327A1 Apparatus and method for measurement of dynamic laser signals
05/11/2005EP1529326A1 Pulse laser arrangement and method for setting pulse length for laser pulses
05/11/2005EP1529208A1 Optical coherence tomography
05/11/2005EP1472764A4 Method for configuring a laser operating system
05/11/2005EP1196817B1 Transmitter with dual optical parametric oscillators and method for sensing atmospheric contaminants using the transmitter
05/11/2005EP1115467B1 Foam control
05/11/2005EP1101258B1 High pulse rate pulse power system
05/11/2005EP1097492A4 Pulse control in laser systems
05/11/2005EP0960491B1 Optical fiber amplifier having variable gain
05/11/2005CN1614910A Raman amplification repeater and optical transmission system using the same
05/11/2005CN1614909A Method and apparatus for implementing optical supervisory channel using broadband noise modulation
05/11/2005CN1614833A Super-short pulse laser with Yb dosed optical fiber
05/11/2005CN1614497A Tunable narrow line optical fiber amplifier
05/11/2005CN1614496A 光学放大器 Optical amplifiers
05/11/2005CN1613665A Pattern on article surface and forming method thereof
05/11/2005CN1201644C Method and device for laser drilling of organic materials
05/11/2005CN1201448C Drum straight-plate type gas laser
05/10/2005US6892015 Optical pulse waveform conversion
05/10/2005US6891879 Microlaser cavity assembly and associated packaging method
05/10/2005US6891878 Eye-safe solid state laser system and method
05/10/2005US6891877 Module of a solid-state platelet light-pumped laser
05/10/2005US6891876 Method and apparatus for polarization and wavelength insensitive pumping of solid state lasers
05/10/2005US6891875 Optical disc device