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)
09/2003
09/11/2003US20030169784 Method and device to avoid optical damage of an intracavity optic
09/11/2003US20030169490 Wide band optical fiber amplifier
09/11/2003US20030169489 Multi-mode erbium micro fiber amplifier (EMFA)
09/11/2003US20030169488 Fiber amplifiers with depressed cladding and their uses in Er-doped fiber amplifiers for the S-band
09/11/2003US20030169487 Method and apparatus for controlling power transients in an optical communication system
09/11/2003US20030169486 S-band light sources using erbium-doped fiber with depressed cladding
09/11/2003US20030169485 Optical amplifier with two directional pumping
09/11/2003US20030169484 Split-band amplifying apparatus using a depressed-profile fiber amplifier
09/11/2003US20030169483 Communication system using S-band Er-doped fiber amplifiers with depressed cladding
09/11/2003US20030169482 Hybrid raman-erbium optical amplifiers
09/11/2003US20030169481 Dispersion-compensated erbium-doped fiber amplifier
09/11/2003US20030169480 Raman amplifier, optical transmission system using such amplifier and pumping light source therefor
09/11/2003US20030169479 Method and apparatus for achieving flat broadband raman gain
09/11/2003DE20309149U1 Safety system for use with laser systems uses optical deflector that is released
09/10/2003EP1343229A2 Dispersion-compensated erbium-doped fiber amplifier
09/10/2003EP1343228A2 Wide band erbium-doped fiber amplifier with gain enhancement
09/10/2003EP1343227A1 Generating electronic carrier signals in the optical domain
09/10/2003EP1343033A2 Dispersion compensating fiber module, and optical communication system
09/10/2003EP1342299A2 Apparatuses and methods for generating coherent electromagnetic laser radiation
09/10/2003EP1342298A2 Apparatus for the generation of variable duration laser pulses
09/10/2003EP1342297A2 Device for producing laser light
09/10/2003EP1342296A2 Multi-fiber ribbon form factor-compliant, integrated multi-channel optical amplifier
09/10/2003EP1053216B1 Spirans and the use thereof
09/10/2003CN2572626Y Solid laser device of semiconductor laser pump with spherical lens coupling device
09/10/2003CN2572625Y Laser amplifying module
09/10/2003CN1441963A UV laser system and method for single pulse servering of IC fuses
09/10/2003CN1441565A Optical fibre and optical amplifier and transmission system containing optical fibre
09/10/2003CN1441522A Composite laser rod its producing method and laser device with composite laser rod
09/10/2003CN1441521A Passive mode-locking Nd:YAG picosecond laser with laser-emitting time in high stability
09/10/2003CN1441467A Laser radiator, laser radiation method and method for producing semiconductor device
09/10/2003CN1441460A Laser device, laser radiation method and semiconductor device and its producing method
09/10/2003CN1441263A High-reflectivity high-damage threshold superwide-band fs laser reflector
09/09/2003US6618521 Wavelength multiplexing module with polarization maintaining fibers as depolarizers
09/09/2003US6618425 Virtual laser operator
09/09/2003US6618423 Passively mode-coupled femtosecond laser
09/09/2003US6618422 Preionization arrangement for a gas laser
09/09/2003US6618421 High repetition rate gas discharge laser with precise pulse timing control
09/09/2003US6618405 Semiconductor laser module and amplifier using the module
09/09/2003US6618404 Method for producing highly accurate frequency and FM of a laser
09/09/2003US6618403 Method and apparatus for compensation of beam property drifts detected by measurement systems outside of an excimer laser
09/09/2003US6618402 Device for generating a plurality of laser beams
09/09/2003US6618195 Pump assembly employing coupled radiation sources for multiple fibers
09/09/2003US6618194 Optical amplifier with two directional pumping
09/09/2003US6618192 High efficiency raman amplifier
09/09/2003US6616275 Method and device for completely correcting visual defects of the human eye
09/04/2003WO2003073568A2 Laser modulation and q-switching using an inverse fabry-perot filter
09/04/2003WO2003073567A1 A two color laser
09/04/2003WO2003073564A2 Laser cavity pumping method and laser system thereof
09/04/2003WO2003073563A2 Device for generating terahertz radiation, and a semiconductor component
09/04/2003WO2003071946A1 Nuclear spin polarized rare gas production device and polarized rare gas production method using this
09/04/2003WO2003057639A8 Silicate waveguide compositions for extended l-band and s-band amplification
09/04/2003WO2003053847A3 Family of discretely sized silicon nanoparticles and method for producing the same
09/04/2003WO2003052890B1 Processing a memory link with a set of at least two laser pulses
09/04/2003WO2003010578A9 Optical fiber
09/04/2003WO2002095886A3 Mode coupling devices with complex spectral profile
09/04/2003WO2002061987A3 S+ band nonlinear polarization amplifiers
09/04/2003WO2002050964A3 Fibre laser
09/04/2003WO2002043180A3 Optical waveguide
09/04/2003US20030165306 Optical module, optical apparatus including optical module, and method for using optical module
09/04/2003US20030165176 Fiber coupling enhancement via external feedback
09/04/2003US20030165175 Flow shaping electrode with erosion pad for gas discharge laser
09/04/2003US20030165174 Temperature control of laser action in scattering media
09/04/2003US20030165166 Wavelength-variable light source apparatus
09/04/2003US20030165008 Fiber amplifier having an anisotropic numerical aperture for efficient coupling of pump energy
09/04/2003US20030165007 Multistage optical amplifier having a fiber-based amplifier stage and a planar waveguide-based amplifier stage
09/04/2003US20030165006 Optical transmission systems including optical amplifiers and methods of use therein
09/04/2003US20030165005 Phase conjugating structure for mode matching in super luminescent diode cavities
09/04/2003US20030165004 Optical communication system employing raman amplification
09/03/2003EP1341324A1 Optical fiber transmission system using raman amplification
09/03/2003EP1341277A2 Tunable diffractive device
09/03/2003EP1341274A1 Laser apparatus
09/03/2003EP1341273A2 Wideband erbium doped fiber amplifier capable of minimizing band crosstalk
09/03/2003EP1341272A2 Three-dimensional optical amplifier structure
09/03/2003EP1341271A1 Laser apparatus
09/03/2003EP1341012A2 Method and apparatus for generating carrier suppressed optical pulse train and grating device
09/03/2003EP1340324A2 Optical performance monitoring for d/wdm networks
09/03/2003EP1340295A2 Optical amplifier method and apparatus
09/03/2003EP1340106A2 Protective overcoat for replicated diffraction gratings
09/03/2003EP1340049A2 Arrangement for measuring physical parameters with an optical sensor
09/03/2003EP1339519A2 FOUR KHz GAS DISCHARGE LASER
09/03/2003EP0879493B1 Delivery system for high power multi-wavelength laser systems
09/03/2003EP0873529B1 Ring interferometer configuration for writing gratings
09/03/2003EP0756719B1 Non-linear crystals and uses thereof
09/03/2003EP0742964B1 Nearly-confocal diode pumped laser
09/03/2003CN1440094A Pumping device of twin-covering optical fibre laser
09/03/2003CN1120551C Arrangement for guiding and shaping beams from rectilinear laser diode array
09/03/2003CN1120549C Method for raising laser output efficiency of lamp pump aluminium fluoride, strontium fluoride or lithium fluoride like laser
09/02/2003US6615099 Method and device for calibrating a workpiece laser-processing machine
09/02/2003US6614975 Optical fiber and optical fiber device
09/02/2003US6614829 Mechanically grounded tunable laser
09/02/2003US6614828 Wavelength selector for laser with adjustable angular dispersion
09/02/2003US6614827 High power laser
09/02/2003US6614826 Laser system and method for gain medium with output beam transverse profile tailoring longitudinal strips
09/02/2003US6614823 Semiconductor laser device having a diffraction grating on a light reflection side
09/02/2003US6614818 Mode-hop-free single frequency solid state laser
09/02/2003US6614815 Blue laser based on interactions in fiber
09/02/2003US6614591 Optical combiner
09/02/2003US6614590 Optical semiconductor hermetic sealing package, optical semiconductor module and optical fiber amplifier
09/02/2003US6614585 Phase conjugating structure for mode matching in super luminescent diode cavities
09/02/2003US6614510 Multi-function optical system