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)
10/1999
10/07/1999CA2325730A1 Improved performance gain flattened edfa
10/07/1999CA2318886A1 Optical amplifier with wide flat gain dynamic range
10/06/1999EP0948105A2 RF-excited gaslaser and gaslaser tube
10/06/1999EP0947864A2 Broadband long-period gratings
10/06/1999EP0947064A1 Distributed fiber amplifier for solitons
10/06/1999EP0812484B1 Polarized fiber laser source
10/06/1999EP0711463B1 Apparatus and method for replenishing laser dye solution
10/05/1999US5963578 Microlaser cavity and microlaser with mode selection and manufacturing processes
10/05/1999US5963575 Q-switched laser system, in particular for laser lithotripsy
10/05/1999US5963574 Compact diode pumped solid state laser
10/05/1999US5963568 Multiple wavelength, surface emitting laser with broad bandwidth distributed Bragg reflectors
10/05/1999US5963374 Laser beam collimation apparatus and laser processing machine using same
10/05/1999US5963364 Multi-wavelength variable attenuator and half wave plate
10/05/1999US5963363 System and method for amplifying an optical pulse and pumping laser therefor
10/05/1999US5963362 For detecting an error caused by back scattering light
10/05/1999US5963361 Optical amplifier having a variable attenuator controlled based on detected ASE
10/05/1999US5961857 Laser machining apparatus with feed forward and feedback control
10/05/1999CA2155528C Laser with readily exchangeable wavelength selective feedback element
10/05/1999CA2135533C All-optical flip-flop
09/1999
09/30/1999WO1999049580A2 NONLINEAR FIBER AMPLIFIERS FOR 1430-1530mm RADIATION
09/30/1999WO1999049543A1 Solid state dye laser
09/30/1999WO1999049362A1 Method and device for resonance amplification, especially for adjustable frequency conversion of laser radiation
09/30/1999WO1999049358A1 Image display and light-emitting device
09/29/1999EP0945938A2 Electric pumping of rare-earth-doped silicon for optical emission
09/29/1999EP0945747A2 Method and apparatus for back focus control in high energy propagation devices
09/29/1999EP0944939A1 Fiber amplifier with reduced temperature dependent gain flatness distortion
09/29/1999EP0944858A1 Multi-stage fiber amplifier with flattened gain curves
09/29/1999EP0875011A4 Optical circuit on printed circuit board
09/29/1999EP0824772A4 Time-sharing laser
09/29/1999CN2341294Y Radio frequency strip carbon dioxide laser with beam converter
09/29/1999CN1230314A System with feedback controlled optical amplifiers
09/29/1999CN1230268A Laser appts.
09/29/1999CN1230262A Laser device
09/29/1999CN1230041A Optical amplifier with optimal gain excursion for different input powers
09/28/1999US5960022 Diode-pumped solid-state ring laser gyroscope
09/28/1999US5960016 Aberration-free, all-reflective laser pulse stretcher
09/28/1999US5960015 Two mode amplitude-stable intracavity-doubled laser and method
09/28/1999US5960013 Self-seeded injection-locked FEL amplifer
09/28/1999US5959767 Loss-less optical cross-connect
09/28/1999US5959766 Optical amplifier device
09/28/1999US5959750 Method of upgrading transmission capacity by Raman amplification
09/28/1999CA2186819C Device for and method of modifying the spectral characteristics of optical signals
09/23/1999WO1999048176A1 Chirped period gratings for raman amplification in circulator loop cavities
09/23/1999WO1999047464A2 Erbium doped optical glass
09/23/1999DE19904565A1 Ultra-short optical pulse generator used e.g. for optical coherence tomography, display, printing or shaping systems
09/23/1999DE19811507A1 Diode-pumped solid state laser with resonator-internal frequency doubling and control of the laser emission time characteristics
09/22/1999EP0944190A2 Gain and signal level adjustments of cascaded optical amplifiers
09/22/1999EP0944189A2 Optical amplifier
09/22/1999EP0944141A2 Optical amplifier
09/22/1999EP0943390A2 Multi-laser combustion surface treatment
09/22/1999EP0943192A2 Method and apparatus for saturating an optical amplifier chain to prevent over amplification of a wavelength division multiplexed signal
09/22/1999EP0943167A1 Frequency conversion laser
09/22/1999EP0943111A1 Device for optical coupling of a solid-state laser with an optical wave guide and a process for their production
09/22/1999EP0860041B1 Laser amplifier system
09/21/1999US5956357 Laser diode driving apparatus using attenuated waveform
09/21/1999US5956355 Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser
09/21/1999US5956354 Dual media laser with mode locking
09/21/1999US5956353 Free electron laser with masked chicane
09/21/1999US5956173 Creation of additional compressible bandwidth by propagating an input pulse through a hollow waveguide filled with a noble gas and subsequent compression using phase dispersive optical elements.
09/21/1999US5955838 Gas discharge lamps and lasers fabricated by micromachining methodology
09/21/1999US5955388 Mixing together oxides, rare earth fluorides, halide salts, then melting, casting, heat treating to crystallize pure rare earth fluoride precipitates
09/21/1999US5955179 Coating for the structured production of conductors on the surface of electrically insulating substrates
09/21/1999CA2265188C Laser apparatus for simultaneously generating mutually perpendicular planes
09/21/1999CA2181751C Method and apparatus for monitoring performance of a laser transmitter
09/19/1999CA2264421A1 Optical fiber amplifier and optical amplification device for bidirectional optical transmission using the optical fiber amplifier
09/16/1999WO1999046836A1 Wavelength system for an excimer laser
09/16/1999WO1999046835A1 Ultraviolet laser apparatus and exposure apparatus comprising the ultraviolet laser apparatus
09/16/1999DE19834410A1 Laser machining unit, in particular, for drilling holes into printed circuit boards
09/16/1999DE19811211A1 Multipath waveguide solid state laser or amplifier structure
09/16/1999DE19811174A1 Amplifier pumped by laser diodes for producing laser radiation
09/15/1999EP0942549A2 Optical demultiplexer filter system to eliminate crosstalk sidelobes
09/15/1999EP0942501A2 Optical fiber light amplifier
09/15/1999EP0942306A2 Variable-curvature reflecting mirror
09/15/1999EP0870208A4 Fiber optic system with simultaneous switching and raman
09/15/1999CN2338894Y Electrode device used for copper halide vapor laser discharge diode
09/14/1999US5953360 All metal electrode sealed gas laser
09/14/1999US5953359 Laser diode array and fabrication method thereof
09/14/1999US5953354 Laser resonator optical alignment
09/14/1999US5953353 Article comprising an improved rare earth-doped optical fiber laser
09/14/1999US5953154 Optically parametric oscillator and wavelength-tunable laser system
09/14/1999US5953108 Laser beam projector power and communication system
09/14/1999US5951149 Laser generating apparatus
09/14/1999US5950995 Ring laser gyroscope dither motor structure
09/14/1999CA2140082C Laser control arrangement for tuning a laser
09/10/1999WO1999045614A1 Laser chamber with minimized acoustic and shock wave disturbances
09/10/1999WO1999045613A1 RELIABLE, MODULAR, PRODUCTION QUALITY NARROW-BAND KrF EXCIMER LASER
09/10/1999WO1999045612A1 Coupled cavity laser source for telecommunications
09/10/1999WO1999045418A1 Ultra-broadband low-noise gain-flattened rare-earth-doped fibre amplifier
09/10/1999WO1999034236A3 Ring laser gyroscope dither motor structure
09/10/1999CA2316862A1 Ultra-broadband low-noise gain-flattened rare-earth-doped fibre amplifier
09/08/1999EP0940894A2 Plastic substrate for solid state lasers
09/08/1999EP0940373A2 Method for manufacturing optical articles of chalcogenide glass and products produced thereby
09/08/1999EP0939979A1 Laser system and amplifying system for producing a laser beam in the visible wavelength area
09/08/1999EP0939978A1 Laser system and amplifying system to produce single-frequency laser irradiation
09/08/1999EP0939977A1 Grating coupling free electron laser apparatus and method
09/08/1999EP0886896B1 Strip laser
09/08/1999EP0883358B1 Method of producing bristled articles, in particular brushes
09/08/1999EP0745293B1 Optical time domain reflectometry
09/08/1999CN2337696Y Gas shutter for gas window
09/07/1999US5949941 Cladding-pumped fiber structures