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)
11/2001
11/21/2001CN1075299C Optical amplifier arrangement
11/21/2001CN1075298C Optical network and its operating method
11/20/2001US6321002 Optical amplifier, optical transmission equipment, optical transmission system, and method thereof
11/20/2001US6321000 Optical equalizer
11/20/2001US6320895 Resonant galvanometer driven two dimensional gain scanner
11/20/2001US6320894 High energy Q-switched 0.9 μm laser
11/20/2001US6320892 Energy efficient lithography laser
11/20/2001US6320889 Solid state laser including a single mode gain swept configuration
11/20/2001US6320886 Laser device
11/20/2001US6320885 Upconversion fiber laser apparatus
11/20/2001US6320884 Wide bandwidth Raman amplifier employing a pump unit generating a plurality of wavelengths
11/20/2001US6320695 Optical amplifying apparatus
11/20/2001US6320694 Optical amplifier for use in optical communications equipment
11/20/2001US6320693 Thermal tuning of optical amplifiers and use of same in wavelength division multiplexed systems
11/20/2001US6320688 Optical transmitter
11/20/2001US6320179 Device noise measurement system
11/20/2001CA2255362C Short range/intermediate range laser defense against chemical and biological weapons
11/20/2001CA2194821C Rare-earth doped lithium niobate dbr laser
11/20/2001CA2064719C Interferometer utilizing superfluorescent optical source
11/20/2001CA2033673C Fibre-optic apparatus for the photodynamic treatment of tumours
11/15/2001WO2001086846A1 Ultrashort-pulse fiber laser with a dispersion-managed cavity
11/15/2001WO2001086766A1 Semiconductor or solid-state laser having an external fiber cavity
11/15/2001WO2001086765A2 Glass-ceramic fiber lasers and amplifiers
11/15/2001WO2001086344A1 Parabolic pulse communication system and method
11/15/2001WO2001044837A3 Optical gain fibers
11/15/2001WO2000052791A9 Rare-earth doped phosphate-glass lasers
11/15/2001WO2000049716A9 Method and apparatus determining position of a movable barrier
11/15/2001US20010040909 Laser amplification system
11/15/2001US20010040905 Detector with frequency converting coating
11/15/2001US20010040721 Method for controlling perfomance of optical amplifiers
11/15/2001US20010040720 Optical amplifiers with a simple gain/output control device
11/15/2001US20010040719 Raman amplifying control unit and optical transmission system
11/15/2001CA2400466A1 Semiconductor or solid-state laser having an external fiber cavity
11/14/2001EP1153462A1 Wdm transmitter
11/14/2001EP1153461A1 Method to optimize rare earth content for waveguide lasers and amplifiers
11/14/2001EP1016092A4 Method and apparatus for producing extreme ultra-violet light for use in photolithography
11/14/2001EP0981844B1 Tunable external cavity laser and appropriate housing
11/14/2001EP0767979B1 Fibre grating stabilized diode laser
11/14/2001CN2459796Y Laser lattice device
11/14/2001CN2459795Y Mode selector in laser cavity
11/13/2001US6317547 Optical fiber for reducing optical signal reflections
11/13/2001US6317537 Launch port for pumping fiber lasers and amplifiers
11/13/2001US6317450 Reeder compensator
11/13/2001US6317449 Method and device for resonance enhancement, in particular for tunable frequency conversion of laser radiation
11/13/2001US6317448 Bandwidth estimating technique for narrow band laser
11/13/2001US6317447 Electric discharge laser with acoustic chirp correction
11/13/2001US6317443 High power, reliable optical fiber pumping system with high redundancy for use in lightwave communication systems
11/13/2001US6317257 Technique for polarization locking optical outputs
11/13/2001US6317255 Method and apparatus for controlling optical signal power in response to faults in an optical fiber path
11/13/2001US6317254 Parallel optical fiber amplifier with high power conversion
11/13/2001US6317253 1.06 μm band optical amplifier apparatus utilizing induced emission in optical fiber by excited rare-earth element
11/13/2001US6317239 Optical repeaters for single- and multi-wavelength operation with dispersion equalization
11/13/2001US6317203 Narrowband module inspection device
11/13/2001US6316338 Laser annealing method
11/08/2001WO2001084679A1 Universal controller for an optical amplifier
11/08/2001WO2001084678A2 Stabilization technique for high repetition rate gas discharge lasers
11/08/2001US20010038658 Laser amplification system
11/08/2001US20010038652 Ultrashort pulse laser oscillator
11/08/2001US20010038651 Fiber-coupled microsphere laser
11/08/2001US20010038498 Optical communication device and method of fixing optical module
11/08/2001US20010038488 Optical communication system and optical amplifier
11/08/2001US20010038482 Optical transmission system having an optical surge suppression function
11/08/2001DE19947111C2 Paralleler optischer Faserverstärker mit hohem Leistungsumwandlungswirkungsgrad und breitem Wellenlängenband Parallel optical fiber amplifier having high power conversion efficiency and a wide wavelength band
11/07/2001EP1152504A1 Semiconductor laser module and optical fiber amplifier
11/07/2001EP1152503A1 Ultrashort pulse light generating method using raman resonator and its device
11/07/2001EP1152502A1 Optical fiber for optical amplifying
11/07/2001EP1151866A1 Method of and apparatus for forming nozzles
11/07/2001EP1151507A1 Silicon light-emitting device and method for the production thereof
11/07/2001EP1151506A1 Balanced gain flattening filters
11/07/2001EP1151505A1 Gain flattening in fiber amplifiers
11/07/2001EP1151456A1 Apparatus and method for reducing operating voltage in gas discharge devices
11/07/2001EP1151344A1 Laser radiation source and a method for producing a coherent and entire laser radiation field
11/07/2001EP1151337A1 A detachable plug-in pump card assembly
11/07/2001EP1151333A1 Optical waveguide with multiple core layers and method of fabrication thereof
11/07/2001EP1150797A1 Laser processing power output stabilization
11/07/2001CN2458795Y Laser resonator
11/07/2001CN1320989A Stably aimed laser
11/07/2001CN1320988A Stably aimed laser
11/07/2001CN1320840A Shield nozzle for control of gas spray in super ultraviolet light source
11/07/2001CN1320503A Laser machining device
11/06/2001US6314222 Long-period optical fiber grating filter device
11/06/2001US6314122 Filament-based, optical detection apparatus
11/06/2001US6314121 Semiconductor laser-excitation solid-state laser device
11/06/2001US6314120 Semiconductor laser pumped solid state laser
11/06/2001US6314119 Excimer laser with pulse and beam multiplier
11/06/2001US6314116 Single resonator for simultaneous multiple single-frequency wavelengths
11/06/2001US6313957 Laser illumination arrangement for a cathode ray tube
11/06/2001US6313941 Optical component, optical amplifier and method of controlling optical amplifier characteristic
11/06/2001US6313940 System based control of optical amplifier transmission functions
11/06/2001US6313939 Optical phase oscillator with a maximum output amplifier
11/06/2001US6313938 Planar lightwave circuit module and optical fiber amplifying device
11/06/2001CA2169785C Saturable bragg reflector
11/06/2001CA2033695C Light diffuser for the photodynamic therapy of tumours in the oesophagus of a patient
11/01/2001WO2001082426A2 Depolarized semiconductor laser sources
11/01/2001WO2001082425A1 High-frequency discharge excited oxygen generator for iodine laser and high-frequency discharge excited oxygen generating method
11/01/2001WO2001082424A1 Cooling block, ld device with the cooling block, and solid laser device using the ld device as excitation light source
11/01/2001WO2001082423A1 Excimer laser apparatus
11/01/2001WO2001082422A1 Multi-stage optical fiber amplifier
11/01/2001WO2001082421A2 Variable path length passive q switch
11/01/2001WO2001082420A2 8-12 micron range optical parametric oscillator