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)
09/1994
09/27/1994US5351250 Optical beam steering device
09/27/1994US5351248 Free electron laser with advanced wiggler
09/27/1994US5351121 Solid-state laser Fourier-Transform Raman Spectrometer
09/27/1994US5350913 Light pulse intensity regenerator, light tranforming repeater, pre-amplifier for light signal, light intensity change measuring apparatus, and stabilized light source
09/22/1994DE4408786A1 Compact stripline gas laser
09/22/1994DE4308147A1 Photocatalytic oxygen-iodine laser
09/21/1994EP0616398A1 Method and device for generating optical pulses
09/21/1994EP0615665A1 Wavelength stabilization.
09/21/1994EP0502067B1 Device for charging electrical energy storage means provided with means for controlling said charging
09/21/1994EP0472727B1 Narrow-band oscillation excimer laser
09/21/1994EP0285673B1 Laser device excited by rf discharge
09/20/1994US5349604 Semiconductor laser source
09/20/1994US5349603 Solid-state laser resonator
09/20/1994US5349602 Broad-area MOPA device with leaky waveguide beam expander
09/20/1994US5349601 Unidirectional ring lasers
09/20/1994US5349600 Solid state laser
09/20/1994US5349596 Asymmetrical semiconductor heterostructure laser cavity and laser equipped with said cavity
09/20/1994US5349594 Insulative laser shell coupler
09/20/1994US5349591 Laser pulse stretcher and compressor with single parameter wavelength tunability
09/20/1994US5349466 Frequency doubler including an electrically controlled optical index network
09/20/1994CA2017056C Discharge exciting pulse laser device
09/15/1994WO1994021012A1 Acousto-optic device
09/15/1994WO1994021011A1 Laser
09/15/1994WO1994021010A1 Light guide for optical fibre amplifiers for the wavelength range around 1300 nm
09/15/1994WO1994020970A2 Principle and applications of multiphoton pumped upconverted lasers
09/15/1994WO1994020256A1 Laser beam machine and focusing method therefor
09/15/1994DE4307316A1 Gas-discharge systems having semiconductor electrodes
09/15/1994CA2183437A1 Laser
09/15/1994CA2157514A1 Method of fabricating a preform for an amplifying optical waveguide, and an optical waveguide
09/14/1994EP0615390A2 Optical switch, optical matrix switch system and method of optimizing system connectivity
09/14/1994EP0615323A2 A semiconductor optical amplifier which functions independently of polarization and an optical communication system using the same
09/14/1994EP0615320A1 Dual use power supply configuration for the double pulsed flash lamp pumped rod laser
09/14/1994EP0615319A2 Quasi-monolithic saturable optical element
09/14/1994EP0614388A1 Corneal surgery device and method
09/14/1994EP0303714B1 Method of generating free positronium radiant light and apparatus therefor
09/13/1994USRE34729 Method and apparatus for efficient operation of an optically pumped laser
09/13/1994US5347532 Laser having at least one anode and one cathode for preionization and/or discharge
09/13/1994US5347531 Transverse discharging excitation pulse laser oscillator apparatus
09/13/1994US5347530 Pulsed gas-discharge laser system
09/13/1994US5347527 Process of adjustment of a continuously tunable light source
09/13/1994US5346865 Rare earth-doped, stabilized cadmium halide glasses
09/12/1994WO1996027473A1 Laser marking device
09/08/1994DE4307129A1 Solid-state laser
09/08/1994DE4306919A1 Microcrystal laser
09/08/1994DE4306789A1 Laser therapy device
09/07/1994EP0614256A1 Tunable surface emitting semiconductor laser
09/07/1994EP0614255A1 Surface emitting semiconductor laser with integrated focusing means
09/07/1994EP0613597A1 Shunt-expansive predistortion linearizers for optical analog transmitters
09/06/1994US5345465 Apparatus and method for guiding an electric discharge
09/06/1994US5345458 Thermoconductivity, lasers, aluminum, zirconia
09/06/1994US5345457 Dual wavelength laser system with intracavity sum frequency mixing
09/06/1994US5345456 Spatially addressable surface emission sum frequency device
09/06/1994US5345455 Optical wavelength converter control method and device
09/06/1994US5345454 Optical apparatus
09/06/1994US5345332 Fiber amplifier cascade for multiwavelength lightwave communications system
09/06/1994US5345329 Polarization-independent optical isolator
09/06/1994CA2036957C Semiconductor laser diode arrangement
09/01/1994WO1994019847A1 Mode-locked fibre ring laser stabilisation
09/01/1994WO1994019846A1 Laser adaptable to lightweight construction
09/01/1994WO1994019714A1 Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and polarized wave holding optical fiber coupler
09/01/1994WO1994019713A1 Optical waveguide grating
09/01/1994WO1994019643A1 Prism light guide luminaire with efficient directional output
09/01/1994WO1994019141A1 Method and apparatus for repairing damaged tubes
08/1994
08/31/1994EP0613221A2 Multistage optical fiber amplifier
08/31/1994EP0612443A1 Discharge of lightning with ultrashort laser pulses
08/31/1994EP0428741B1 Discharge tube for laser generator
08/31/1994CN1091525A Beam-shaping optical element and radiation source unit and scanning unit including said element
08/31/1994CN1025808C Micro-light resonant cavity for micro-light marking machine
08/30/1994US5343546 Microbench
08/30/1994US5343490 Whispering mode micro-resonator
08/30/1994US5343489 Arrangement for shaping a laser beam and for reducing the coherence thereof
08/30/1994US5343488 Installation for the formation of a laser beam suitable for isotope separation
08/30/1994US5343485 Laser diode pumped solid state laser
08/30/1994US5343483 High voltage fast pulse control for a Q-switched laser
08/30/1994US5343320 Pump laser control circuit for an optical transmission system
08/30/1994US5343013 Laser beam machine
08/25/1994DE4401597A1 Laser machining apparatus with beam-mode control
08/24/1994EP0612126A1 Active-mode-locking optical-fiber laser generator
08/24/1994EP0612125A2 Rapidly tunable integrated laser
08/24/1994EP0611493A1 Method and apparatus to compensate for distortion in optical transmission systems
08/24/1994CN2175476Y Q-adjusting single vertical film laser device
08/23/1994US5341449 Wavelength converting device and its method for manufacturing
08/23/1994US5341393 Laser-diode-pumped solid-state laser
08/23/1994US5341392 Longitudinal discharge laser electrodes
08/23/1994US5341390 Surface emitting second harmonic generating device
08/23/1994US5341389 Ytterbium- and neodymium-doped vanadate laser hose crystals having the apatite crystal structure
08/23/1994US5341388 Laser light beam generating apparatus
08/23/1994US5341237 Rare earth ion doped optical element
08/23/1994US5341236 Nonlinear optical wavelength converters with feedback
08/23/1994US5341209 Triangular dither drive apparatus for a ring laser gyroscope
08/23/1994US5341208 Gas bypass for bias reduction in laser gyrescopes
08/23/1994US5340979 Technique for determining the amplified spontaneous emission noise of an optical circuit in the presence of an optical signal
08/18/1994WO1994018729A1 Ring laser discharge starting concept
08/18/1994WO1994018728A1 A technique for making ultrastable ring resonators and lasers
08/18/1994WO1994018727A1 Gas laser
08/18/1994DE4404635A1 Floating optical scanning head, which is integrally formed with a light source and a photodetector, and optical disc (disk) device having such a scanning head
08/18/1994DE4304178A1 Active, folded resonator system
08/18/1994CA2134968A1 A technique for making ultrastable ring resonators and lasers
08/18/1994CA2134557A1 Ring laser discharge starting concept
08/17/1994EP0611097A1 Compact laser optical source