Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › H01S 5 - Semiconductor lasers
Patents for H01S 5 - Semiconductor lasers (52,420)
11/1993
11/09/1993US5260958 Zinc selenide, layer containing magnesium, zinc, sulfur and selenium
11/09/1993US5260957 Quantum dot Laser
11/09/1993US5260956 Laser drive circuit
11/09/1993US5260955 Automatically setting a threshold current for a laser diode
11/09/1993US5260822 Tapered semiconductor laser gain structure with cavity spoiling grooves
11/09/1993US5260762 Device for non-contact measurement of speed, displacement travel and/or distance
11/09/1993US5260639 Elctrical power from orbiting satellite is converted to laser beam
11/09/1993US5260231 Method for the production of a semiconductor laser
11/09/1993US5260230 Method of manufacturing buried heterostructure semiconductor laser
11/09/1993US5259925 Method of cleaning a plurality of semiconductor devices
11/09/1993CA1324206C Non-linear optical amplification
11/05/1993CA2094360A1 Fiber-optic amplifier with feedback-insensitive pump laser
11/02/1993US5258991 Monolithic laser diode and monitor photodetector
11/02/1993US5258990 Visible light surface emitting semiconductor laser
11/02/1993US5258989 Solid state laser diode light source
11/02/1993US5258325 Method for manufacturing a semiconductor device using a circuit transfer film
11/02/1993US5258316 Etching
11/02/1993CA2005473C Method of making semiconductor laser device
11/02/1993CA1323921C Optical components
10/1993
10/28/1993WO1993021673A1 Vertical-cavity surface-emitting laser abray display system
10/28/1993WO1993021671A1 Manufacture of grating structures
10/28/1993WO1993021670A1 Laser device
10/28/1993WO1993021663A1 Process for lift-off of thin film materials from a growth substrate
10/28/1993WO1993021646A1 Compact electron gun comprising a micro-point electron source, and semiconductor laser using said gun for electron pumping
10/28/1993WO1993021553A1 Laser system with mirrors moved by micro-engineering techniques
10/28/1993WO1993021551A1 Method of manufacturing a microsystem and of producing a microsystem laser from it
10/28/1993DE4212777A1 Laser diode temp. regulating system for atom resonance device, esp. atomic frequency standard - has Peltier heat-sink and additional, short time constant, heater in same temp. regulator circuit.
10/28/1993DE4211898A1 Micro-mechanical laser mirror - has multilayer dielectric or metallic coating on silicon@ substrate which is completely etched away in optically-active region to provide floating mirror actuated capacitively, magnetically or piezoelectrically.
10/28/1993CA2133977A1 Vertical-cavity surface-emitting laser array display system
10/27/1993EP0567406A1 Distributed feedback laser
10/27/1993EP0567346A2 Talbot filtered surface emitting distributed feedback semiconductor laser array
10/27/1993EP0567280A2 Quasi-resonant diode drive current source
10/27/1993EP0567256A2 Method of making a periodic heteroepitaxial semiconductor structure
10/27/1993EP0566886A1 Method of producing diffraction grating
10/26/1993US5257277 Semiconductor-laser-pumped, solid-state laser
10/26/1993US5257276 Strained layer InP/InGaAs quantum well laser
10/26/1993US5256596 Top emitting VCSEL with implant
10/26/1993US5256562 Array of thin film transistors on silicon substrate; cutting, tilting to transfer module body
10/26/1993US5255569 Slant plate type compressor with variable displacement mechanism
10/21/1993DE4211899A1 Verfahren zur Herstellung eines Mikrosystems und daraus Bildung eines Mikrosystemlasers A process for producing a micro-system, and the formation of a micro laser system
10/20/1993EP0566494A1 Electron beam pumped asymmetric laser cavity with semiconductor heterostructure
10/20/1993EP0566434A1 Adjustment method for a continuously tunable light-source
10/20/1993EP0566411A2 Semiconductor laser device
10/20/1993EP0566341A1 Aperture disk attenuator for laser diode connector
10/20/1993EP0566267A1 Surface emitting second harmonic generating device
10/20/1993EP0565588A1 Single crystal silicon arrayed devices for display panels
10/19/1993US5255281 Semiconductor laser having double heterostructure
10/19/1993US5255280 Active layer disposed between cladding layers on aluminum gallium arsenide layer; configuration; current blocking layer; cap; emits light
10/19/1993US5255279 Gallium arsenide substrate; double hetero structure of aluminum gallium indium phosphide crystals; etch stop layer; absorption layer; electrode
10/19/1993US5255278 Semiconductor laser with vertical resonator
10/19/1993US5255276 Driver circuit of a tunable laser diode
10/19/1993US5255273 Method for ascertaining mode hopping free tuning of resonance frequency and the Q-value of an optical resonator and a device for carrying out the method
10/19/1993US5255015 Athermally compensated optical head for a laser scanner
10/19/1993US5254502 Method for making a laser screen for a cathode-ray tube
10/19/1993US5254496 Semiconductor mixed crystal quantum well device manufacture
10/14/1993WO1993020604A1 Semiconductor laser device
10/14/1993WO1993020581A1 Semiconductor optical devices and techniques
10/14/1993DE4311532A1 Solid state laser with strip-shaped active layer providing self-sustained pulsing - includes strip region having two widths which provide attenuation ratio, as measure of coherence of emission, less than 0.5
10/14/1993DE4212153A1 Solid state laser with distributed feedback - has phase discontinuity formed in waveguide grating structure to provide accurate mode selection for specific wavelength operation
10/13/1993EP0565461A2 Method of forming and aligning patterns in deposited overlayers on GaAs
10/13/1993EP0565414A1 Method of manufacturing heteroepitaxial thin films and electronic devices
10/13/1993EP0565374A1 Vertical-to-surface transmission electrophotonic device
10/13/1993EP0565012A1 Tunable semi-conductor laser
10/13/1993EP0564915A2 Methods for growing compound semiconductor layers
10/12/1993US5253314 Tunable optical waveguide coupler
10/12/1993US5253313 Optical guide apparatus
10/12/1993US5253267 Laser multiple feedback control circuit and method
10/12/1993US5253265 Active layer containing germaium
10/12/1993US5253264 Optical semiconductor device
10/12/1993US5253263 High-power surface-emitting semiconductor injection laser with etched internal 45 degree and 90 degree micromirrors
10/12/1993US5253262 Semiconductor laser device with multi-directional reflector arranged therein
10/12/1993US5253260 Apparatus and method for passive heat pipe cooling of solid state laser heads
10/12/1993US5253258 Optically encoded phase matched second harmonic generation device and self frequency doubling laser material using semiconductor microcrystallite doped glasses
10/12/1993US5252839 Superluminescent light-emitting diode with reverse biased absorber
10/12/1993US5252513 Method for forming a laser and light detector on a semiconductor substrate
10/12/1993US5252497 Method of characterizing optical parameters of opto-electronic components and apparatus for carrying out the method, particularly during a coating operation
10/12/1993CA2006124C Distributed feedback laser for frequency modulation communication systems
10/07/1993DE4310578A1 Wavelength tunable solid state laser - has resonator with distributed feedback coupling with several sections allowing independent control of current density in sections
10/06/1993EP0564431A1 Device for stabilising the wavelength of a light beam emitted by a laser-diode and laser-interferometer
10/06/1993EP0564367A1 Control circuit for an amplitude-modulated semiconductor laser
10/06/1993EP0564355A1 Photoreceiver for frequency-modulated optical signals
10/06/1993EP0563580A2 Drive circuit for semiconductor light-emitting device
10/06/1993EP0563524A1 Optical transmission system with optical fibre amplifiers and control of the emitter wavelength
10/06/1993EP0563193A1 Device for stabilizing a laser light source
10/06/1993EP0563084A1 Optical device
10/06/1993EP0538465A4 Thin planer package for cooling an array of edge-emitting laser diodes
10/06/1993EP0308502B1 Ideal distributed bragg reflectors and resonators
10/06/1993CN1077046A Optical device and apparatus for scanning an information plane, comprising such an optical device
10/05/1993US5251225 Quantum-well diode laser
10/05/1993US5251224 Superior temperature characteristics
10/05/1993US5251122 System for automatically generating a sequential control program
10/05/1993US5250961 Image forming apparatus with improved laser transmitting optical system
10/05/1993US5250814 Semiconductor light-emitting devices
10/05/1993US5250796 Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device
10/05/1993US5250462 Method for fabricating an optical semiconductor device
10/05/1993CA2038887C Amplifier power supply for optical fibres
09/1993
09/29/1993EP0562925A1 Semi-conductor waveguide photoreceiver with multiple quantum wells for polarisation diversity communications systems
09/29/1993EP0562769A2 Semiconductor surface emitting laser having enhanced optical confinement
09/29/1993EP0562768A1 Semiconductor surface emitting laser having reduced threshold voltage and enhanced optical output
09/29/1993EP0562754A1 Optical system for laser devices
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