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)
06/2005
06/23/2005DE10353908A1 Regulating system for frequency stabilization of tunable lasers using reference laser with photodiode has error signal circuit containing filter element for frequency-selective filtering of beat signal
06/22/2005EP1544855A1 Compatible laser modulation circuit for scanner in optical storage media recording/reproducing apparatus
06/22/2005EP1543595A2 Method for selecting the polarization of the laser beam oscillating inside a laser cavity
06/22/2005EP1543594A1 A pulsed laser and a method, comprising a diffusing element to equalize the divergence of the laser radiation
06/22/2005EP1543593A1 Polarisation-dependent optical fibre amplifier
06/22/2005CN1630967A Intracavity frequency conversion of laser radiation
06/22/2005CN1630966A Optical amplifier controller having adjustable slew-rate limiter
06/22/2005CN1630148A Annular laser beam generator having orbital angular momentum
06/22/2005CN1630147A Large power gas laser constructing method and apparatus
06/22/2005CN1630019A Large-power complex function quartz glass tube pulsed-xenon lamp and manufacturing method therefor
06/22/2005CN1629698A LED illumination system having an intensity monitoring system
06/22/2005CN1628928A A method and device for laser welding
06/22/2005CN1207826C End semiconductor pumping bidirectional solid ring laser
06/22/2005CN1207825C Optical parameter chatter pulses amplification laser system
06/22/2005CN1207824C Optoelectronic device and selection district epitaxial method of self-aligned model spot inverter integration
06/22/2005CN1207764C Laser annealing method and equipment for semiconductor substrate
06/22/2005CN1207604C Laser beam reshaping device
06/21/2005US6909853 Apparatus for transferring monitor signals in photo-transfer system
06/21/2005US6909731 Statistic parameterized control loop for compensating power and extinction ratio of a laser diode
06/21/2005US6909730 Phase-locked loop control of passively Q-switched lasers
06/21/2005US6909729 Dielectric waveguide with transverse index variation that support a zero group velocity mode at a non-zero longitudinal wavevector
06/21/2005US6909546 Multipoint lump homogenizing optical system
06/21/2005US6909538 Fiber amplifiers with depressed cladding and their uses in Er-doped fiber amplifiers for the S-band
06/21/2005US6909536 Optical receiver including a linear semiconductor optical amplifier
06/21/2005US6909535 Optical communication system employing raman amplification
06/21/2005US6909104 Miniaturized terahertz radiation source
06/21/2005CA2289670C Intra-cavity and inter-cavity harmonics generation in high power lasers
06/16/2005WO2005055381A1 Improved vertical external cavity surface emitting laser
06/16/2005WO2005055378A1 Fiber laser oscillating device
06/16/2005WO2005055377A1 Optical fibre amplifier
06/16/2005WO2005055376A2 Mode-locked laser method and apparatus
06/16/2005WO2005054949A2 Laser thin film poly-silicon annealing system
06/16/2005WO2005054921A1 A support structure for an optical device
06/16/2005WO2005054908A2 Undersea optical transmission system employing raman gain to mitigate shallow water repair penalties
06/16/2005WO2005053894A1 Laser system operation method and laser system for processing substrates
06/16/2005WO2005053893A2 Laser thin film poly-silicon annealing optical system
06/16/2005WO2005003845A3 Method and apparatus for generating mid and long ir wavelength radiation
06/16/2005WO2004084607A3 High smsr unidirectional etched lasers and low back-reflection photonic device
06/16/2005WO2004047318A3 Optical amplifier module housed in a universal cable joint for anundersea optical transmission system
06/16/2005US20050129382 Signal light noise reduciton apparatus and signal light noise reduction method
06/16/2005US20050129362 Mitigation of stimulated brillouin scattering in electromagnetic waveguides using wavelenght-selective mirrors
06/16/2005US20050129083 Optical bench for diode-pumped solid state lasers in field applications
06/16/2005US20050129082 Short-pulse laser device with a preferably passive mode coupling and multiple reflection telescope therefor
06/16/2005US20050129081 Laser gain module
06/16/2005US20050129080 Pump arrangement for transversally pumping an active medium
06/16/2005US20050129077 Tunable electro-absorption modulator and tunable laser
06/16/2005US20050129075 Laser turn-on accelerator independent of bias control loop bandwidth
06/16/2005US20050129074 Soft metal heat transfer for transceivers
06/16/2005US20050129073 Tunable external cavity laser with adjustable cavity length and mode-hop suppression
06/16/2005US20050129072 Optical beam steering for tunable laser applications
06/16/2005US20050128570 Top-pumped optical device
06/16/2005US20050128569 Gain-providing optical power equalizer
06/16/2005US20050128568 Signal transmission in an optical system
06/16/2005US20050128557 Electro-absorptive optical modulator module having monolithic integrated photo detector
06/16/2005US20050128554 High energy arbitrary waveform source
06/16/2005US20050128467 Characteristic monitoring method of pumping light source for optical amplification and optical amplifier
06/16/2005DE19911103B4 Erzeugung stabilisierter, ultrakurzer Lichtpulse und deren Anwendung zur Synthese optischer Frequenzen Production of stabilized ultrashort light pulses and their application to the synthesis of optical frequencies
06/16/2005DE10350114A1 Optical element made from transparent material used in excimer lasers comprises a technical surface provided with a protective layer in the region of the light passage or in the region of reflection
06/16/2005DE10252005B4 Rauscharmes Mikroskop Low noise microscope
06/15/2005EP1542068A1 Wavelength conversion device
06/15/2005EP1542037A1 Lidar observation instrument with laser sensing-beam adaptation optics
06/15/2005EP1542036A1 Synthetic aperture ladar with chirped modelocked waveform
06/15/2005EP1541228A1 Process for producing nanoparticle, apparatus therefor and method of storing nanoparticle
06/15/2005EP1540787A1 Pump laser diode with improved wavelength stability
06/15/2005EP1540785A2 Semiconductor laser device
06/15/2005EP1540784A2 Creating photon atoms
06/15/2005EP1540783A2 Control system for a two chamber gas discharge laser
06/15/2005EP1540782A2 Remote uv laser system and methods of use
06/15/2005EP1540396A1 Method and device for spectral filtering
06/15/2005EP1379836A4 An optical amplifier employing an active doped unitary amplifier
06/15/2005CN1628401A Cascaded raman pump for raman amplification in optical systems
06/15/2005CN1628080A Optical waveguide article including a fluorine-containing zone
06/15/2005CN1206781C Method for regulating multi-path optical-circuit cavity lens
06/15/2005CN1206780C CO2 laser with radio frequency excited common-electrode folding double channel wave guide
06/14/2005US6907157 Method and system for optical fiber transmission using raman amplification
06/14/2005US6907059 Optical component fixing method and optical component support
06/14/2005US6907058 Energy monitor for molecular fluorine laser
06/14/2005US6907052 Tunable optical local oscillator
06/14/2005US6907051 Dynamically spectrally tailored raman pump laser
06/14/2005US6906856 Early warning failure detection for a lasing semiconductor optical amplifier
06/14/2005US6906855 Method of amplifying optical signals using doped materials with extremely broad bandwidths
06/14/2005US6906854 System and method for controlling noise in raman amplifiers
06/14/2005US6906353 High speed implanted VCSEL
06/14/2005US6906309 Injection-seeding of a multi-tone photonic oscillator
06/14/2005US6906283 Method of processing substances by short-pulse, wavelength tunable raman laser
06/09/2005WO2005053121A1 Laser material
06/09/2005WO2005053120A1 Long period bragg grating optical signal attenuation
06/09/2005WO2005053118A1 Highly repetitive laser system having a compact structure
06/09/2005WO2005053117A1 Co2 waveguide laser with beryllium oxide waveguides
06/09/2005WO2005053116A2 Active photonic band-gap optical fiber
06/09/2005WO2005052925A2 Improved mirror mounting structures for scanners employing limited rotation motors
06/09/2005WO2005052645A2 Electrical insulating ring located between an end cap and a tension sleeve of an undersea pressure vessel
06/09/2005WO2004068654A3 Diode pumped laser with intracavity harmonics
06/09/2005US20050123306 Tunable balanced opto-electronic filters and applications in opto-electronic oscillators
06/09/2005US20050123018 Ridge type distributed feedback semiconductor laser
06/09/2005US20050123017 External cavity tunable laser system formed MEMS corner mirror
06/09/2005US20050123016 Surface emitting and receiving photonic device with lens
06/09/2005US20050123013 Laser diode driver circuit and optical communication device
06/09/2005US20050123012 Laser module
06/09/2005US20050123011 Method and apparatus for cooling a laser