Patent application number | Description | Published |
20120168742 | BARIUM COPPER SULFUR FLUORIDE TRANSPARENT CONDUCTIVE THIN FILMS AND BULK MATERIAL - A bulk barium copper sulfur fluoride (BCSF) material can be made by combining Cu | 07-05-2012 |
20120206796 | INFRARED (IR) TRANSMITTING GRADED INDEX (GRIN) OPTICAL ELEMENTS AND METHOD FOR MAKING SAME - The present invention is directed to a method for making infrared transmitting graded index optical elements by selecting at least two different infrared-transmitting materials, each with a different refractive index, having similar thermo-viscous behavior; assembling the infrared-transmitting materials into a stack comprising one or more layers of each infrared-transmitting material resulting in the stack having a graded index profile; and forming the stack into a desired shape. Also disclosed is the related optical element made by this method. | 08-16-2012 |
20120270053 | SITU GROWN SiC COATINGS ON CARBON MATERIALS - A method of forming a β-SiC material or coating by mixing SiO | 10-25-2012 |
20120321263 | DIRECT EXTRUSION METHOD FOR THE FABRICATION OF PHOTONIC BAND GAP (PBG) FIBERS AND FIBER PREFORMS - A method and apparatus for making a substantially void-free preform for a microstructured optical fiber using a one-step process is provided. A preform is prepared from specialty glasses using a direct extrusion method. A die for use with the direct extrusion method is also provided, and a method for drawing the preform into a HC-PBG fiber for use in transmitting infra-red wavelength light is also provided. The preform comprises an outer jacket made of solid glass, a cladding having a plurality of air holes arranged in a desired pattern within the jacket, and a core which is hollow. | 12-20-2012 |
20130029098 | OPTICAL INTERFACE FOR REDUCED LOSS IN SPINEL WINDOWS - A method for reducing transmission losses in a spinel-based optical element by building a structure on the surface of the optical element without the use of a previously prepared master. The structure can be built through reactive ion etching (RIE) of a pattern obtained through photolithography and liftoff, through RIE of a pattern through e-beam writing and liftoff, through RIE of a pattern using a self organized metal mask, or by direct hot-pressing the structure during fabrication of the optical element. Also disclosed is the related spinel-based optical element made by this method. | 01-31-2013 |
20130059153 | FLAME SPRAY SYNTHESIS OF Lu2O3 NANOPARTICLES - A nanoparticle containing monoclinic lutetium oxide. A method of: dispersing a lutetium salt solution in a stream of oxygen gas to form droplets, and combusting the droplets to form nanoparticles containing lutetium oxide. The combustion occurs at a temperature sufficient to form monoclinic lutetium oxide in the nanoparticles. An article containing lutetium oxide and having an average grain size of at most 10 microns | 03-07-2013 |
20130065746 | Spinel-Germanate Glass Composite as an IR Window - This disclosure involves a new spinel and glass micro-composite material and process for making such. The composite has excellent transmission in the 0.5-5.0 μm wavelength region suitable for various visible and mid IR applications utilizing windows, domes and other geometric shapes. The composite can be made at a temperature about 40% lower than the glass melting temperature and about 50% lower than the spinel sintering temperature. The composite material has high modulus and fracture toughness which are important for impact resistance in armor and other practical applications. | 03-14-2013 |
20130083402 | TAILORED INTERFACES BETWEEN OPTICAL MATERIALS - An optical system having two or more different optical elements with a corresponding interface between the optical elements. At least one of the optical elements has an anti-reflective structure that is transferred to the interface between two optical elements, typically by embossing. Also disclosed is the related method for making the optical system. | 04-04-2013 |
20130188240 | IR FIBER BROADBAND MID-IR LIGHT SOURCE - A method of generating a supercontinuum in chalcogenide fiber with a pump light comprising a short pulse fiber laser or diode laser operating with a wavelength of | 07-25-2013 |
20130188660 | SHORT PULSED IR FIBER LASER AT WAVELENGTH > 2 um - A method of generating ultrashort pulses with wavelengths greater than 2 μm comprising a short pulse diode laser or fiber laser operating at a wavelength of 1 μm or greater with a pulse width of 10 ps or greater, one or more amplification stages to increase the peak power of the pulsed source, a nonlinear fiber stage whereby the dispersion of the nonlinear fiber is anomalous at the pulsed source wavelength such that the fiber breaks up the pulse into a series of sub-ps pulse train through modulation instability which may be seeded by spontaneous noise which are then wavelength shifted in one or more stages by soliton self frequency shift in anomalous dispersion fiber or Raman in normal dispersion fiber and amplified in one or more stages to generate a high peak power ultrashort pulse (<1 ps) source at a wavelength of 2.4 μm or greater. | 07-25-2013 |
20130243679 | Method of Forming Metal Oxide Nano-Powders - Monodisperse metal oxide nanopowders are prepared by treating a dispersion of crude metal oxide nanopowder with ultrasonication, allowing the dispersion to settle, and subjecting the remaining suspended portion to centrifugation to obtain a supernatant comprising metal oxide nanopowder. | 09-19-2013 |
20140003776 | Multi-Core Optical Fibers for IR Image Transmission | 01-02-2014 |
20140004261 | Sintering Aid Coated YAG Powders and Agglomerates and Methods for Making | 01-02-2014 |
20140014858 | WAVELENGTH AND POWER SCALABLE WAVEGUIDING-BASED INFRARED LASER SYSTEM - An infrared laser source system that combines laser emitters through an optical waveguide. Each emitter is coupled to a port of the optical waveguide and the waveguided signal is combined to provide a spatially combined laser source with a single common exit aperture. The materials used for waveguiding allow the propagation of wavelengths in the infrared. The system can be used for combining multiple laser emitters to increase the total output power and/or for combination of multiple emitters with different wavelength for increased spectral coverage out of the laser system. | 01-16-2014 |
20140076402 | CONTROLLED DEPOSITION OF PHOTOVOLTAIC THIN FILMS USING INTERFACIAL WETTING LAYERS - A method for forming a photovoltaic device by depositing at least one wetting layer onto a substrate where the wetting layer is ≦100 nm and sputtering a photovoltaic material onto the wetting layer where the wetting layer interacts with the photovoltaic material. Also disclosed is the related photovoltaic device made by this method. The wetting layer may comprise any combination of In | 03-20-2014 |
20140079909 | Spinel Ceramics Via Edge Bonding - A spinel ceramic made from the process comprising the steps of polishing one edge of a first spinel part to a surface roughness of less than 1 nm, polishing one edge of a second spinel part to a surface roughness of less than 1 nm, joining the polished edge of the first spinel part to the polished edge of the second spinel part, heating the first and second spinel parts to about 1000-1200° C., and maintaining said heating for about 3-6 hours resulting in bonded spinel parts. | 03-20-2014 |
20140098411 | RARE EARTH DOPED Lu2O3 POLYCRYSTALLINE CERAMIC LASER GAIN MEDIUM - A method for making a rare earth doped polycrystalline ceramic laser gain medium by hot pressing a rare earth doped polycrystalline powder where the doping concentration is greater than 2% and up to 10% and where the grain size of the final ceramic is greater than 2 μm. The polycrystalline powder can be Lu | 04-10-2014 |
20140220357 | BARIUM COPPER SULFUR FLUORIDE TRANSPARENT CONDUCTIVE THIN FILMS AND BULK MATERIAL - A p-type transparent conductive material can comprise a thin film of BCSF on a substrate where the film has a conductivity of at least 1 S/cm. The substrate may be a plastic substrate, such as a polyethersulfone, polyethylene terephthalate, polyimide, or some other suitable plastic or polymeric substrate. | 08-07-2014 |
20140245794 | MANUFACTURING PROCESS FOR CHALCOGENIDE GLASSES - The present invention is generally directed to a method of making chalcogenide glasses including holding the melt in a vertical furnace to promote homogenization and mixing; slow cooling the melt at less than 10° C. per minute; and sequentially quenching the melt from the top down in a controlled manner. Additionally, the present invention provides for the materials produced by such method. The present invention is also directed to a process for removing oxygen and hydrogen impurities from chalcogenide glass components using dynamic distillation. | 09-04-2014 |
20140273336 | Method of Forming Cu(InxGa1-x)S2 and Cu(InxGa1-x)Se2 Nanoparticles - A method for synthesizing Cu(In | 09-18-2014 |
20150075620 | COPPER INDIUM GALLIUM SELENIDE (CIGS) THIN FILMS WITH COMPOSITION CONTROLLED BY CO-SPUTTERING - A method and apparatus for forming a thin film of a copper indium gallium selenide (CIGS)-type material are disclosed. The method includes providing first and second targets in a common sputtering chamber. The first target includes a source of CIGS material, such as an approximately stoichiometric polycrystalline CIGS material, and the second target includes a chalcogen, such as selenium, sulfur, tellurium, or a combination of these elements. The second target provides an excess of chalcogen in the chamber. This can compensate, at least in part, for the loss of chalcogen from the CIGS-source in the first target, resulting in a thin film with a controlled stoichiometry which provides effective light absorption when used in a solar cell. | 03-19-2015 |