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8811449 Light source and method for producing light  
The invention relates to a light source, comprising an optical resonator (1) and an optical medium (2) arranged therein that can be excited so as to emit light, wherein the optical medium (2)...
8811446 Gas laser oscillator apparatus and laser gas replacement method  
The gas laser oscillator apparatus of the present invention has laser gas sealed in a vacuum chamber under a decompressed condition lower than atmospheric pressure; a discharge means for exciting...
8811445 Enhanced vbasis laser diode package  
A substrate having an upper surface and a lower surface is provided. The substrate includes a plurality of v-grooves formed in the upper surface. Each v-groove includes a first side and a second...
8811442 Infrared semiconductor laser  
The present invention relates to a semiconductor laser having at least one quantum film in which electron hole pairs can be recombined, having at least two barrier layers between which...
8811444 Semiconductor integrated device and method for producing the same  
A semiconductor integrated device includes a light-emitting portion including a first lower mesa, a first lower buried layer provided on a side surface of the first lower mesa, a first upper mesa...
8811441 Laser driving device, optical scanning device, image forming apparatus, and laser driving method  
A laser driving device that drives a semiconductor laser based on a light-emitting signal includes an expansion circuit that expands a pulse width of the light-emitting signal based on a known...
8811447 Semiconductor laser with varied-width waveguide and semiconductor laser module including the same  
A semiconductor laser outputs a laser light from an output facet of a waveguide having an index waveguide structure, via a lens system. The waveguide includes, in order from a rear facet opposite...
8803027 Device and method to create a low divergence, high power laser beam for material processing applications  
A thin beam laser crystallization apparatus for selectively melting a film deposited on a substrate is disclosed having a laser source producing a pulsed laser output beam, the source having an...
8804780 Method for adjusting spectral line width of narrow-band laser  
An upper limit and a lower limit are preliminarily set for a spectral line width common to a plurality of narrow-band laser devices. When delivered or subjected to maintenance, the narrow-band...
8804784 Semiconductor laser driving device and image forming apparatus having the semiconductor laser driving device  
A semiconductor laser driving device that drives a semiconductor laser with a driving current output from a driving current output terminal is disclosed. The semiconductor laser driving device...
8804777 Mid-infrared supercontinuum fiber laser  
Mid-IR supercontinuum laser source in the 3-12 micron region generating at least tens of watts of optical power and based on non-silica optical fiber pumped by a ZBLAN fiber laser generating light...
8804782 Macro-channel water-cooled heat-sink for diode-laser bars  
A water-cooled heat-sink for a diode-laser bar includes a copper-cooling-unit having an integral mount thereon for the diode-laser bar. The copper-cooling-unit is attached to a steel base-unit....
8804783 Cooling apparatus for optically pumped semiconductor laser  
An OPS-chip is soldered mirror-structure-side down on an upper surface of diamond-heat spreader. A metal frame is also soldered to the upper surface of the heat-spreader. The lower surface of the...
8802468 Semiconductor light emitting device and fabrication method for semiconductor light emitting device  
A semiconductor light emitting device includes a lower cladding layer, an active layer, and an AlGaAs upper cladding layer mounted on a GaAs substrate. The semiconductor light emitting device has...
8804778 Laser apparatus and extreme ultraviolet light source apparatus  
An extreme ultraviolet light source apparatus comprises a laser apparatus having a master oscillator outputting one or more longitudinal-mode-laser lights, an amplifier with a molecular gas as an...
8804785 Quantum cascade semiconductor laser  
A quantum cascade semiconductor laser includes a n-type semiconductor substrate, the substrate having a main surface; a mesa waveguide disposed on the substrate, the mesa waveguide including a...
RE45071 Semiconductor laser diode and method of manufacturing the same  
Provided are a semiconductor laser diode and a method of manufacturing the same. The semiconductor laser diode includes a lower cladding layer disposed on a substrate; a ridge including an optical...
8805147 Waveguide, apparatus including the waveguide, and method of manufacturing the waveguide  
Provided are a waveguide with which strain and defect caused by a manufacturing process or the like or caused in a semiconductor in an initial stage or during operation are suppressed so that...
8804787 Narrow linewidth semiconductor laser  
A laser system includes a semiconductor laser having a laser driver coupled thereto. An output of the semiconductor laser is optically coupled to an input of an optical splitter that provides...
8801193 Image display device and laser light source device including multiple laser elements whose light amounts are individually measured  
An image display device including a laser light source device that includes: laser elements of different output wavelengths; a pulse signal generating unit that generates pulse signals based on a...
8804781 Macro channel water-cooled heat-sink for diode-laser bars  
A diode-laser bar is mounted on water-cooled heat-sink between two ceramic sub-mounts for electrically isolating cooling-water in the heat-sink from the diode-laser bar. Mounting between the two...
8804779 System, method, and apparatus to provide laser beams of two or more wavelengths  
A system, apparatus, and method may provide laser beams of two or more wavelengths from diode pumped solid-state laser sources (220, 222, 224). The beam paths of these laser beams with different...
8804231 Stabilizing RF oscillator based on optical resonator  
Techniques, devices and systems that stabilize an RF oscillator by using an optical resonator that is stabilized relative to a master RF oscillator with acceptable frequency stability performance....
8804786 Optically-pumped sulfur monoxide molecular laser  
An optically pumped sulfur monoxide (SO) molecular laser is presented. A near infrared pump light source generates a pump light at wavelengths that match wavelengths of a Q-branch or R-branch...
8796926 AC, RF or pulse excited microdischarge device and array  
An AC, rf, or pulse-excited microdischarge device and array are provide by the invention. A preferred array includes a substrate. A plurality of microdischarge cavities that contain discharge...
8798110 Optical semiconductor device and method of manufacturing optical semiconductor device  
A method of manufacturing an optical semiconductor device including: forming a mesa structure including a first conductivity type cladding layer, an active layer and a second conductivity type...
8797639 Method and system for regenerating and reshaping of optical signals  
A method and an apparatus for processing an optical signal are disclosed wherein an input optical signal having an amplitude profile is combined by means of Bragg scattering with a first pulsed...
8798106 Mode-locking with reduced nonlinearity using gain-matched output couplers  
A laser cavity includes a gain medium for amplifying a light pulse in a light path, wherein the gain medium has a gain profile for amplifying the light pulse as a function of wavelength; at least...
8798109 High-efficiency diode laser  
A laser diode has a first n-conducting cladding layer, a first n-conducting waveguide layer arranged therein, an active layer is suitable for generating radiation arranged on the first waveguide...
8798107 Device and method for generating bursts of picosecond optical sub-pulses  
A method and device are provided for generating bursts of sub-pulses, preferably in the picosecond range. Seed pulses are first generated, and then phase modulated to spread their spectral profile...
8798112 High speed lasing device  
The present invention relates to a lasing device for use in an optical module. The lasing device comprises a first reflector and a second reflector; a confinement layer adapted to confine current...
8798105 End-pumped alignment and temperature insensitive laser target designator and marker  
A compact, lightweight, laser target designator uses a TIR bounce geometry to place an end-pumped gain element functionally in the center of the resonator path, thereby allowing the resonator path...
8794010 Laser cooling of modified SOI wafer  
A laser cooling system includes a substrate, an REO layer of single crystal rare earth oxide including at least one rare earth element positioned on the surface of the substrate, and an active...
8798468 Amortization of expensive optical components  
A laser system includes an array of lasers that emit light at a number of different, fixed wavelengths. A group of optical transport systems connect to the laser system. Each of the optical...
8798108 Device for generating a short duration laser pulse  
An embodiment relates to a device for generating a short duration laser pulse, which comprises: means for generating a laser beam and for filtering same, arranged in such a way as to generate an...
8794828 Method for measuring temperature of object using longitudinal mode output of short cavity fiber laser  
A method for measuring temperature of an object using the longitudinal mode output by a short cavity fiber laser, includes steps of: a) arranging the short cavity fiber laser, which laser...
8797641 Pulse-width converting apparatus and optical amplifying system  
An input light pulse Pi, input at a constant incident angle to a transmission-type diffraction grating 20, is dispersed according to the wavelengths to be output at output angles according to the...
8798111 Interband cascade lasers with engineered carrier densities  
Methods for improving the performance of type-II and type-I ICLs, particularly in the mid-IR wavelength range, are provided. The electron injector of a type-II or a type-I ICL can be heavily...
8798104 Pulsed high-power laser apparatus and methods  
In various embodiments, output beams of multiple seed lasers differing in at least one beam characteristic are combined, amplified, and separated according to the beam characteristic(s) for use...
8792792 Light source, optical signal generator, and electrical signal generator  
[PROBLEM] Providing an optical source that outputs optical frequency modulated light having a constant output optical intensity. [MEANS FOR SOLVING THE PROBLEM] Provided is a light source...
8792528 Semiconductor microtube lasers  
Disclosed are semiconductor microtube lasers including a semiconductor multilayer heterostructure. The multilayer heterostructure includes a substantially cylindrical optically active structure...
8792529 Gas laser oscillation device and gas laser processing machine  
A gas laser oscillator includes a discharge section for exciting laser gas, a blowing section for transmitting the laser gas, and a laser gas flowing path for forming a circulation route of the...
8792523 Tunable device, method of manufacture, and method of tuning a laser  
This description relates to an apparatus, a method of manufacturing, and a method of tuning optical and/or electrical parameters of semiconductor devices and materials, thin film materials, or...
8792160 Light-emitting device and method of manufacturing the same  
Provided is a light-emitting device including (a) a layer structure obtained by sequentially growing on a base substrate a first compound semiconductor layer of a first conductivity type, (b) an...
8792083 Seed light generation device, light source device, adjustment method thereof, light irradiation device, exposure device, and device manufacturing method  
A light source device including a seed light generation device, a light amplification unit which optically amplifies seed light generated by the seed light generation device, and a wavelength...
8792526 Coherent laser array control system and method  
In one embodiment, a system includes a master oscillator for generating a primary laser signal. A plurality of amplifiers amplifies a plurality of secondary laser signals and generates a plurality...
8792524 Arbitrary optical waveform generation utilizing optical phase-locked loops  
This invention relates to opto-electronic systems using semiconductor lasers driven by optical phase-locked loops that control the laser's optical phase and frequency. Feedback control provides a...
8792531 Optical beam steering for tunable laser applications  
A transmitter is disclosed including a laser array comprising a plurality of lasers spatially offset from one another and each having a laser output having a unique wavelength. A first prism is...
8792522 Method and apparatus for synchronized starting of soft x-ray lasers  
The invention can be used for setting up high energy and high average power soft x-ray laser equipments. The apparatus of the present invention is provided with a capillary discharge, wherein the...
8792156 Laser illumination systems and methods for dual-excitation wavelength non-linear optical microscopy and micro-spectroscopy systems  
An illumination system is disclosed for providing dual-excitation wavelength illumination for non-linear optical microscopy and micro-spectroscopy. The illumination system includes a laser system,...