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

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)
12/2002
12/04/2002	CN1095605C Radio-frequency excitation double-channel unequal-length waveguide CO2 laser electrode
12/03/2002	US6490388 Side-pumped fiber laser
12/03/2002	US6490380 Optical amplifier with loop mirror filter noise reducer, and loop mirror filter per se
12/03/2002	US6490310 Laser discharge electrodes with current return plate structure
12/03/2002	US6490309 Laser-diode-pumped laser apparatus in which Pr3+-doped laser medium is pumped with GaN-based compound laser diode
12/03/2002	US6490308 Laser gas replenishment method
12/03/2002	US6490307 Method and procedure to automatically stabilize excimer laser output parameters
12/03/2002	US6490306 Molecular fluorine laser with spectral linewidth of less than 1 pm
12/03/2002	US6490305 Beam delivery system for molecular fluorine (F2) laser
12/03/2002	US6490304 Excimer laser device
12/03/2002	US6490299 Method and laser system for generating laser radiation of specific temporal shape for production of high quality laser-induced damage images
12/03/2002	US6490082 An optical amplifier for amplifying an optical signal, comprising: a low phonon energy optical medium doped with praseodymium ions (pr.sup.3+) for utilizing as a gain medium to the optical signal; and a pumping means for pumping the low
12/03/2002	US6490081 Method of amplifying optical signals using doped materials with extremely broad bandwidths
12/03/2002	US6490080 Gain controlled optically pre-amplified receiver apparatus and method
12/03/2002	US6490079 Device for suppressing transient effect of optical fiber amplifier in WDM system
12/03/2002	US6490078 Optical fiber for optical amplifier, optical fiber amplifier and optical fiber laser
12/03/2002	US6490077 Composite optical amplifier
12/03/2002	US6489985 Laser marking system and method of energy control
12/03/2002	US6488861 Coupling system to a microsphere cavity
11/2002
11/28/2002	WO2002095887A2 Cobalt-doped saturable absorber q-switches and laser systems
11/28/2002	WO2002095886A2 Mode coupling devices with complex spectral profile
11/28/2002	WO2002095885A1 Fiber laser
11/28/2002	WO2002095884A2 System and method for pumping a slab laser
11/28/2002	WO2002095882A2 Thulium doped fiber amplifier pumping scheme
11/28/2002	WO2002095329A1 Optical distributed sensor with bragg grating sensing structure
11/28/2002	US20020176472 Tunable light source employing optical parametric oscillation near degeneracy
11/28/2002	US20020176471 Laser with gain medium configured to provide an integrated optical pump cavity
11/28/2002	US20020176469 Molecular Fluorine laser
11/28/2002	US20020176466 Semiconductor laser device, semiconductor laser module, and raman amplifier using the device or module
11/28/2002	US20020176460 Saturable reactor and power source apparatus for pulse laser utilising same
11/28/2002	US20020176458 Method of monitoring an optical signal from a laser
11/28/2002	US20020176456 Frequency modulated laser with high modulation bandwidth
11/28/2002	US20020176454 Method for tuning nonlinear frequency mixing devices through degeneracy
11/28/2002	US20020176452 Digital control of actively mode-locked lasers
11/28/2002	US20020176451 Erbium-doped fiber laser for long wavelength band
11/28/2002	US20020176156 Control architecture and method for optical amplifiers
11/28/2002	US20020176155 Multi-stage optical amplifier and broadband communication system
11/28/2002	US20020176154 Optical amplification apparatus utilizing raman amplification and controlling method thereof
11/28/2002	US20020176153 Optical signal amplifier
11/28/2002	US20020176142 Optical transmission apparatus and optical systems
11/28/2002	US20020176087 Laser gyroscope having a circular waveguide with an asymmetrically tapered region
11/28/2002	US20020175714 Laser diode array
11/28/2002	US20020175275 Apparatus and method for measuring optical signals by optical sampling
11/28/2002	CA2448055A1 Optical distributed sensor with bragg grating sensing structure
11/27/2002	EP1261086A1 Semiconductor optical amplifier providing high gain, high power and low noise figure
11/27/2002	EP1260844A1 Image projector, projected image pattern, laser driver, imaging device
11/27/2002	EP1260040A1 Method for transmitting additional optical signals in the s-band
11/27/2002	EP1145390B1 Laser amplification system
11/26/2002	US6487233 Fiber-coupled microsphere laser
11/26/2002	US6487232 System and method for suppressing multimoding behavior of lasers
11/26/2002	US6487229 Beam delivery system for molecular fluorine (F2) laser
11/26/2002	US6487228 Narrow band excimer or molecular fluorine laser with adjustable bandwidth
11/26/2002	US6487006 Simultaneous single mode and multi-mode propagation of signals in a double clad optical fiber
11/26/2002	US6487005 Optical fiber transmission system with chromatic dispersion compensation
11/26/2002	US6487003 Optical interaction device
11/26/2002	US6486991 Optical transmission system having an optical surge suppression function
11/26/2002	US6486951 Method of evaluating an anisotropic thin film and an evaluating apparatus
11/26/2002	US6486466 Wide bandwidth raman amplifier having a substantially flat gain profile
11/26/2002	US6485217 Light adjustment device for laser resonant socket
11/26/2002	CA2252722C Ge-ga-s-based glass composition having light amplifying characteristic and apparatus for optical communications using the same
11/21/2002	WO2002093795A2 Dispersion-managed cable for raman-assisted transmission
11/21/2002	WO2002093704A1 Optical fiber and system containing same
11/21/2002	WO2002093703A1 Improved fan for gas discharge laser
11/21/2002	WO2002093702A1 Gas discharge laser with improved beam path
11/21/2002	WO2002093700A1 Laser spectral engineering for lithographic process
11/21/2002	WO2002093699A1 FOUR KHz GAS DISCHARGE LASER SYSTEM
11/21/2002	WO2002093698A1 Ase light source
11/21/2002	WO2002093697A2 Fiber laser having a suppressor
11/21/2002	WO2002093695A2 Sampled grating distributed bragg reflector laser controller
11/21/2002	WO2002093694A2 Method of monitoring an optical signal from a laser
11/21/2002	WO2002093226A1 Method of winding optical fibre
11/21/2002	WO2002093216A1 A long band wavelength converter
11/21/2002	WO2002071555A3 High repetition rate excimer laser system
11/21/2002	WO2002029941A3 Devices for varying the pulse duration and/or pulse energy in a passively q-switched laser
11/21/2002	WO2001086344A9 Parabolic pulse communication system and method
11/21/2002	US20020174378 Optical clock recovery device for recovering the clock from an optical signal
11/21/2002	US20020173417 Doped glass
11/21/2002	US20020173416 Dispersal of optically active ions in glass
11/21/2002	US20020172486 Single-polarization high power fiber lasers and amplifiers
11/21/2002	US20020172485 Optical wavelength filtering apparatus with depressed-index claddings
11/21/2002	US20020172481 Optical fiber, optical amplification/oscillation device, laser light generating device, laser display unit, and color laser display unit
11/21/2002	US20020172459 Method and apparatus for coupling light into an optical waveguide
11/21/2002	US20020172253 Solid-state laser oscillator with gain media in active mirror configuration
11/21/2002	US20020172251 Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode
11/21/2002	US20020172250 Optical fiber laser structure and system based on ase pumping of cladding element
11/21/2002	US20020172236 Fiber laser device and a laser apparatus
11/21/2002	US20020172234 Method of processing substances by short-pulse, wavelength tunable raman laser
11/21/2002	US20020171921 Laser resonator with direction sensitive decoupling
11/21/2002	US20020171918 Optical amplifier, optical amplifier hybrid assembly and method of manufacture
11/21/2002	US20020171916 Thulium doped fiber amplifier pumping scheme
11/21/2002	US20020171915 Thermal ripple-compensating, gain-flattening filter for an optical amplifier
11/21/2002	US20020171913 Method and apparatus for acheiving
11/21/2002	US20020171912 Laser light generating apparatus and method
11/21/2002	US20020171135 Semiconductor device and package with high heat radiation effect
11/21/2002	US20020171094 Semiconductor laser element
11/21/2002	US20020171088 Incoherent light-emitting device apparatus for driving vertical laser cavity
11/21/2002	US20020170896 Method and apparatus for cutting a non-metallic substrate using a laser beam
11/21/2002	US20020170289 Swash plate type hydraulic drive transmission and hydrostatic type continuously variable transmission
11/20/2002	EP1259022A1 Optical device for the clock recovery of an optical signal
11/20/2002	EP1258954A1 Semiconductor laser element, semiconductor laser module and production method therefor and optical fiber amplifier

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