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)
10/2002
10/24/2002	WO2002042801A3 High capacity optical fiber cables
10/24/2002	US20020154848 Integrated optical circuit device and method for producing the same
10/24/2002	US20020154672 Optical resonators with orthogonally polarized modes
10/24/2002	US20020154671 Line selected F2 two chamber laser system
10/24/2002	US20020154670 Electric discharge laser with two-material electrodes
10/24/2002	US20020154669 Laser wavelength control unit with piezoelectric driver
10/24/2002	US20020154668 Very narrow band, two chamber, high rep rate gas discharge laser system
10/24/2002	US20020154665 Semiconductor laser device having a diffraction grating on a light reflection side
10/24/2002	US20020154663 Design of optical superlattice to realize third-harmonic generation and multi-wavelength laser output and its application in the all-solid state laser
10/24/2002	US20020154662 Method and apparatus for precision wavelength stabilization in fiber optic communication systems using an optical tapped delay line
10/24/2002	US20020154661 Modulatable multi-wavelength fiber laser source
10/24/2002	US20020154394 Full combined C and L bands optical amplifier and method
10/24/2002	US20020154390 Pump assembly employing coupled radiation sources for multiple fibers
10/24/2002	US20020154389 Optical amplifier with reduced non-linear signal impairments by optimum pumping configuration and method for using same
10/24/2002	US20020154388 A multimode optical amplifying fiber with a transversely coupled optical pumping beam
10/24/2002	US20020154387 Gain equalizer, collimator with gain equalizer and method of manufacturing gain equalizer
10/24/2002	US20020154385 Polarization and wavelength stable superfluorescent sources
10/24/2002	US20020154375 Speckle suppressed laser projection system using RF injection
10/24/2002	US20020154370 Optic relay unit and terminal station in light transmission system
10/24/2002	US20020154355 WDM transmitter
10/24/2002	CA2482418A1 Information card system
10/24/2002	CA2443504A1 Sources of, and methods for generating, optical pulses
10/24/2002	CA2443129A1 High index-contrast fiber waveguides and applications
10/24/2002	CA2443127A1 High index-contrast fiber waveguides and applications
10/23/2002	EP1250737A1 Raman amplifier with bi-directional pumping
10/23/2002	EP1250736A2 Variable path length passive q switch
10/23/2002	EP1250296A1 Phosphorus-silicate fibers suitable for extended band amplification
10/23/2002	CN2518247Y Low polarization degree Raman amplifier pumping source structure
10/23/2002	CN1376325A Optical fiber amplifier for controlling gain flatness
10/23/2002	CN1375945A Device for reducing code-mode effect produced while clock extraction of injected mode-locked fiber cyclic laser
10/23/2002	CN1375897A Multi-wavelength laser
10/23/2002	CN1375896A Laser pulse time width regulator
10/23/2002	CN1375737A Waveguide amplifier and pumping programme for waveguide amplifier
10/23/2002	CN1375715A Photocoupler for coaxial double-path laser enlarging system
10/23/2002	CN1375712A Double-cladding-layer photon optical fiber
10/23/2002	CN1375710A Photon optical fiber having solid effective surface
10/23/2002	CN1375709A Photo optical fiber having solid effective surface
10/22/2002	US6470113 Broadband light source using seed-beam
10/22/2002	US6470037 Stimulated brillouin scattering cell housing
10/22/2002	US6469825 Method of amplifying optical signals using erbium-doped materials with extremely broad bandwidths
10/22/2002	US6469824 Bi-directional pumped optical fiber amplifier with fault detection means and novel pump control
10/22/2002	US6469778 Coherent laser radar system and target measurement method
10/22/2002	US6469415 Balanced microdevice and rotary electrostatic microactuator use therewith
10/22/2002	US6467969 Article comprising a multimode optical fiber coupler
10/22/2002	CA2196115C Apparatus for housing a linearized optical fiber amplifier
10/22/2002	CA2189568C Optical fibre laser
10/22/2002	CA2094870C Optical power limiting amplifier
10/22/2002	CA2089615C Laser light beam generating apparatus
10/19/2002	CA2374274A1 Semiconductor laser device having a diffraction grating on a light reflection side
10/17/2002	WO2002082601A1 Injection seeded f2 laser with wavelength control
10/17/2002	WO2002082600A2 Q-switched cavity dumped co2 laser for material processing
10/17/2002	WO2002082598A1 Injection seeded f2 laser with pre-injected filter
10/17/2002	WO2002082597A1 Injection seeded laser with precise timing control
10/17/2002	WO2002082596A2 Q-switched co2 laser for material processing
10/17/2002	WO2002082594A2 Noncollinearly pumped solid state raman laser
10/17/2002	WO2002082138A1 Method for upgrading bandwidth in an optical system utilizing raman amplification
10/17/2002	WO2002082128A2 Thermal ripple-compensating, gain-flattening filter for an optical amplifier
10/17/2002	WO2002082118A2 Tunable modelocked ultrafast laser
10/17/2002	WO2002065596A3 Method and system for cooling a laser gain medium
10/17/2002	WO2001059889A9 Bandwidth control technique for a laser
10/17/2002	US20020151121 Laser irradiation apparatus
10/17/2002	US20020150340 Variable optical filter unit and variable gain equalizing system
10/17/2002	US20020150331 Hybridised fibre amplifier/waveguide structures
10/17/2002	US20020150139 Solid-state laser device
10/17/2002	US20020150138 Beam seal for line narrowed production laser
10/17/2002	US20020150132 Laser with gain medium configured to provide an integrated optical pump cavity
10/17/2002	US20020149843 Wide band optical amplifier
10/17/2002	US20020149842 Pump source with increased pump power for optical broadband raman amplification
10/17/2002	US20020149841 Raman excitation control method and optical transmission system using the same
10/17/2002	US20020149840 Switchable dynamic gain-flattened optical amplifiers and methods with wide dynamic gain range
10/17/2002	US20020149839 Optical fiber amplifier
10/17/2002	US20020149838 Optical amplification system or group employing multiple pump laser groupings
10/17/2002	US20020149837 Optical attenuation module, optical amplifier using the module, and pump light source
10/17/2002	US20020149324 Electromagnetic energy distributions for electromagnetically induced mechanical cutting
10/17/2002	US20020148955 Multiple-source arrays with optical transmission enhanced by resonant cavities
10/17/2002	CA2443649A1 Method for upgrading bandwidth in an optical system utilizing raman amplification
10/16/2002	EP1249903A2 Incoherent light-emitting device apparatus for driving vertical laser cavity
10/16/2002	EP1249901A2 Band-expanding method for optical amplifiers and optical transmission apparatus
10/16/2002	EP1249640A2 Swash plate type hydraulic transmission
10/16/2002	EP1044392A4 Laser beam coupler, shaper and collimator
10/15/2002	US6466604 Optical component for generating pulsed laser radiation
10/15/2002	US6466603 Low loss resonator
10/15/2002	US6466602 Gas discharge laser long life electrodes
10/15/2002	US6466601 Beam seal for line narrowed production laser
10/15/2002	US6466600 Laser tube for high-frequency laser and laser incorporating same
10/15/2002	US6466599 Discharge unit for a high repetition rate excimer or molecular fluorine laser
10/15/2002	US6466598 F2-laser with line selection
10/15/2002	US6466593 Variable path length passive Q switch
10/15/2002	US6466364 Gain flattening with nonlinear sagnac amplifiers
10/15/2002	US6466363 Broadband amplification with first and second amplifiers having different pump wavelength requirements
10/15/2002	US6466361 Converging device and light source module, laser device and optical signal amplifier using such converging device
10/15/2002	US6466345 Multiple wavelength source
10/15/2002	US6463872 Laser photocuring system
10/10/2002	WO2002080378A2 Dynamic controller for a multi-channel optical amplifier
10/10/2002	WO2002080318A1 Noise-compensating gain controller for an optical amplifier
10/10/2002	WO2002079851A1 An gain-clamped erbium-doped fiber amplifier for long wavelength band
10/10/2002	WO2002079829A1 Ring core fiber
10/10/2002	WO2002079828A1 Dual-clad polarization-preserving optical fiber
10/10/2002	WO2002079827A1 Dual-clad polarization-preserving optical fiber
10/10/2002	WO2002079825A1 Optical wavelength filtering apparatus with depressed-index claddings

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