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)
09/2002
09/06/2002WO2001017074A9 Semiconductor device for electro-optic applications, method for manufacturing said device and corresponding semiconductor laser device
09/06/2002WO2001011733A9 High pulse rate pulse power system with fast rise time and low leakage current
09/05/2002US20020122645 Fiber for enhanced energy absorption
09/05/2002US20020122644 Single mode optical fibre
09/05/2002US20020122628 Fabrication of chirped fiber bragg gratings of any desired bandwidth using frequency modulation
09/05/2002US20020122455 Solid state laser
09/05/2002US20020122453 Annealed copper alloy electrodes for fluorine containing gas discharge lasers
09/05/2002US20020122452 Narrow band excimer or molecular fluorine laser having an output coupling interferometer
09/05/2002US20020122451 Barium fluoride high repetition rate UV excimer laser
09/05/2002US20020122450 High repetition rate UV excimer laser
09/05/2002US20020122449 Gas laser apparatus for lithography
09/05/2002US20020122448 Pumped laser and optimised lasing medium
09/05/2002US20020122445 Laser with substantially uniform microwave excitation
09/05/2002US20020122444 Light frequency locker
09/05/2002US20020122260 Color laser display apparatus having fluorescent screen scanned with modulated ultraviolet laser light
09/05/2002US20020122244 Temperature-stabilized optical amplifier and method for temperature-stabilizing an optical amplifier
09/05/2002US20020122243 Distributed gain optical fiber amplifier
09/05/2002US20020122242 Optical repeater using raman amplification, wavelength division multiplexed light transmission system, excitation light supply method and excitation light control method for raman amplification
09/05/2002US20020121608 High resolution spectral measurement device
09/04/2002EP1237304A2 Optical pulse shaper
09/04/2002EP1237238A2 Gain-clamped optical fibre amplifier
09/04/2002EP1236584A2 Value and security product with a luminescent element
09/04/2002EP1236383A2 Switchable wavelength laser-based etched circuit board processing system
09/04/2002EP1236252A2 Gain control and shaping of edfas via dual cavity gain control
09/04/2002EP1236251A1 Waveguide laser devices
09/04/2002EP1236250A1 Laser effects and laser devices
09/04/2002EP1236249A1 Mode-locked thin-disk laser
09/04/2002EP1236061A2 Large diameter optical waveguide, grating, and laser
09/04/2002EP1236058A1 Multilayer mirror
09/04/2002EP1001914B1 Glass composition and optical device made therefrom
09/04/2002CN1367880A Optical compound with polarization-maintaining fiber pigtail splice
09/04/2002CN1090414C Erbium doped optical fiber amplifier and method for autoamtically tracing and filtering wavelength of transmitted light
09/04/2002CN1090413C Method and apparatus for controlling calls in code division multiple access system
09/04/2002CN1090335C Quantum trap infra-red infra-focus planar chip without discrete image element optical read-out
09/04/2002CN1090334C Foldable portable spectacles
09/03/2002US6445670 Laser power control device, optical head and optical recording and/or reproducing apparatus
09/03/2002US6445494 Optical amplifier and light source
09/03/2002US6445493 Balanced gain flattening filters
09/03/2002US6445492 Reduction of four-wave mixing in raman amplified optical transmission systems
09/03/2002US6445487 Speckle suppressed laser projection system using a multi-wavelength doppler shifted beam
09/03/2002US6445130 Axially polarized radiation from a toroidal magnetic structure with an equatorial slot
09/03/2002US6444485 Semiconductor laser and optical disk device using the laser
09/03/2002CA2180407C Optical structures with two optical guidance paths
08/2002
08/29/2002WO2002067389A2 Frequency stabilised laser system and method for controlling the frequency in such a system
08/29/2002WO2002067057A1 Image amplification for laser systems
08/29/2002WO2002067047A1 A method of improving selectivity in a tuneable waveguide filter
08/29/2002WO2002066379A2 Method for stabilising the output power of a solid-state laser, and a solid-state laser system
08/29/2002WO2002066054A1 Vaccine to protect animals against leishmania
08/29/2002WO2002048784A3 An electro-optical device and method
08/29/2002WO2002013338A3 Method and apparatus relating to pumping optical fiber
08/29/2002WO2001077626A3 Wavelength monitor/locker using an etalon and associated methods
08/29/2002WO2001039337A9 Deep ultraviolet catadioptric anamorphic telescope
08/29/2002WO2000038286A9 ArF LASER WITH LOW PULSE ENERGY AND HIGH REP RATE
08/29/2002US20020120198 Method for assessing irradiation intensity of a laser beam, an apparatus for assessing irradiation intensity used under this method, and a laser beam irradiation system
08/29/2002US20020118918 Angle selective side-pumping of fiber amplifiers and lasers
08/29/2002US20020118721 Method and apparatus for optimizing the output beam characteristics of a laser
08/29/2002US20020118719 Solid state laser apparatus
08/29/2002US20020118718 Parasitic oscillation suppression in solid state lasers using optical coatings
08/29/2002US20020118715 Semiconductor laser module and Raman amplifier using the module
08/29/2002US20020118714 Heat sink, semiconductor laser device, semiconductor laser module and raman amplifier
08/29/2002US20020118712 Two-wavelength laser apparatus
08/29/2002US20020118710 Thin-film large-area coherent light source, filter and amplifier apparatus and method
08/29/2002US20020118709 Broadband sagnac raman amplifiers and cascade lasers
08/29/2002US20020118447 Optical fiber pumping system
08/29/2002US20020118446 Bi-directional optical-amplifier module
08/29/2002US20020118445 Long wavelength optical amplifier
08/29/2002US20020118444 Long wavelength optical amplifier
08/29/2002US20020118443 Optical amplifier
08/29/2002US20020118440 Method and apparatus to measure gain spectra of erbium doped fiber amplifier
08/29/2002US20020117612 Method for laser cooling of atoms and apparatus therefor as well as coherent light source used for laser cooling of atoms
08/29/2002US20020117105 Method of heat-treating fluoride crystal, method of producing optical part, and optical apparatus
08/28/2002EP1235370A2 Bi-directional optical-amplifier module
08/28/2002EP1235315A2 Two-wavelength laser apparatus
08/28/2002EP1235314A2 Method and apparatus for optimizing the output beam characteristics of a laser
08/28/2002EP1234360A1 Method and device for wavelength switching of a laser source
08/28/2002EP1234358A1 High power gas discharge laser with helium purged line narrowing unit
08/28/2002EP1234357A2 Optical device containing a fibre-optic component
08/28/2002EP1090445A4 Scalable vertically diode-pumped solid-state lasers
08/28/2002CN1366368A Semiconductor laser module and its making method and light amplifier
08/28/2002CN1366098A Vanadate for measuring dislocation density and etching process of doped monocrystal
08/27/2002US6442309 Optical amplifier
08/27/2002US6442187 Laser device
08/27/2002US6442186 Stable multi-fold telescopic laser resonator
08/27/2002US6442185 All-metal, DC excited laser with RF pre-ionization
08/27/2002US6442182 Device for on-line control of output power of vacuum-UV laser
08/27/2002US6442181 Extreme repetition rate gas discharge laser
08/27/2002US6441965 Laser irradiation apparatus
08/27/2002US6441954 Optical amplifier with wide flat gain dynamic range
08/27/2002US6441953 L band multistage amplifier with improved noise figure
08/27/2002US6441952 Apparatus and method for channel monitoring in a hybrid distributed Raman/EDFA optical amplifier
08/27/2002US6441951 Optical amplification apparatus using Raman amplification
08/27/2002US6441907 High accuracy ring laser interferometer using an external cavity ring laser
08/27/2002US6440785 Method of manufacturing a semiconductor device utilizing a laser annealing process
08/27/2002CA2252708C Ge-ga-s based glass composition having light amplifying characteristic and apparatus for optical communications using the same
08/22/2002WO2002065600A2 Multi-channel laser pump source and packaging method therefor
08/22/2002WO2002065597A1 Light source device and light irradiating device and production method for device
08/22/2002WO2002065596A2 Method and system for cooling a laser gain medium
08/22/2002WO2002065594A2 Self seeding pulsed non-linear resonant cavity
08/22/2002WO2002065071A2 Methods and devices for efficient generation of ultraviolet light
08/22/2002WO2002042719A3 Apparatus for controlling laser penetration depth