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Results 1651–1675 of 2,457

Petawatt pulsed-power accelerator
Patent • #7,679,297. A petawatt pulsed-power accelerator can be driven by various types of electrical-pulse generators, including conventional Marx generators and linear-transformer drivers. The pulsed-power accelerator can be configured to drive an electrical load from one-or two-sides. Various types of loads can be driven; for example, the accelerator can be used to...

pH Adjustment of Power Plant Cooling Water with Flue Gas/ Fly Ash
Featured Opportunity • Increased recycling of power plant cooling water calls for low-cost means of preventing the formation of calcium carbonate and silicate scale.Hardness (Ca and Mg) and silica are two of the primary water components that must be selectively precipitated or maintained in solution for intensive water recycling to be achieved.Sandia researchers...

pH adjustment of power plant cooling water with flue gas/fly ash
Patent • #9,140,145. A system including a vessel including a heat source and a flue; a turbine; a condenser; a fluid conduit circuit disposed between the vessel, the turbine and the condenser; and a diverter coupled to the flue to direct a portion of an exhaust from the flue to contact with...

Phase difference of arrival geolocation
Patent • #9,651,648. Geolocation is performed by receiving, at a plurality of non-earthbound platforms each moving in a known manner within a spatial coordinate system, a radio frequency (RF) signal transmitted from a transmitter at an unknown location on earth within the spatial coordinate system. For each of the platforms, a phase...

Phononic crystal devices
Patent • #8,094,023. Phononic crystals that have the ability to modify and control the thermal black body phonon distribution and the phonon component of heat transport in a solid. In particular, the thermal conductivity and heat capacity can be modified by altering the phonon density of states in a phononic crystal. The...

Photocatalytic methods for preparation of electrocatalyst materials
Patent • #8,541,146. The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs).

Photocatalytic methods for preparation of electrocatalyst materials
Patent • #10,186,711. The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs).

Photocatalytic methods for preparation of electrocatalyst materials
Patent • #8,609,573. The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs).

Photoconductive metasurface-based ultrafast device
Patent • #11749694. A theoretically perfectly absorbing photoconductive all-dielectric metasurface is provided. This metasurface can improve the efficiency and performance of ultrafast photoconductive switches and detectors. In an embodiment, the metasurface is incorporated in photoconductive THz switches or detectors. In embodiments, the metasurface is constituted by a network of gallium arsenide resonators....

Photoelectrochemically driven self-assembly method
Patent • #9,548,411. Various technologies described herein pertain to assembling electronic devices into a microsystem. The electronic devices are disposed in a solution. Light can be applied to the electronic devices in the solution. The electronic devices can generate currents responsive to the light applied to the electronic devices in the solution,...

Photoimageable composition
Patent • #6,645,696. The use of selected buffering amines in a photoimageable composition prevents process bias which with conventional photoresists causes designed features to be distorted, especially in corners and high resolution features. It is believed that the amines react with the catalysts, e.g., photoacids, generated to create an inert salt. The...

Photoimageable composition
Patent • #6,858,378. The use of photoacid generators including an alkoxyphenylphenyliodonium salt and/or bis(t-butylphenyl)iodonium salt in a photoimageable composition helps improve resolution. Suitable photoimageable compositions includes: (a) a multifuctional polymeric epoxy resin that is dissolved in an organic solvent wherein the epoxy resin comprises oligomers of bisphenol A that is quantitatively protected...

Photon detector configured to employ the Gunn effect and method of use
Patent • #8,981,312. Embodiments disclosed herein relate to photon detectors configured to employ the Gunn effect for detecting high-energy photons (e.g., x-rays and gamma rays) and methods of use. In an embodiment, a photon detector for detecting high-energy photons is disclosed. The photon detector includes a p-i-n semiconductor diode having a p-type...

Photon energy conversion by near-zero permittivity nonlinear materials
Patent • #9,846,348. Efficient harmonic light generation can be achieved with ultrathin films by coupling an incident pump wave to an epsilon-near-zero (ENZ) mode of the thin film. As an example, efficient third harmonic generation from an indium tin oxide nanofilm (.lamda./42 thick) on a glass substrate for a pump wavelength of...

Photonic crystal light source
Patent • #6,768,256. A light source is provided by a photonic crystal having an enhanced photonic density-of-states over a band of frequencies and wherein at least one of the dielectric materials of the photonic crystal has a complex dielectric constant, thereby producing enhanced light emission at the band of frequencies when the...

Photonic Integrated Circuits/Si Photonics
Portfolio • Advanced optical components for next generation computing, communication, and sensing To support next generation computing, communication, and sensing needs, Sandia researchers have successfully developed a silicon photonics platform that leverages the semiconductor and nanotechnology capabilities of Sandia’s Microsystems and Engineering Sciences Applications (MESA) complex to create optical components for multiple...

Photonic-crystal-fiber-delivered laser-triggered high-voltage gas switch
Patent • #10,687,412. A photonic-crystal-fiber-delivered laser-triggered high-voltage gas switch can deliver a peak irradiance of greater than 5.1.times.10.sup.11 W/cm.sup.2 to the AK gap for a laser having a wavelength of 1064 nm. The switch is capable of operating at pressures up to 2200 psi; voltages across the gap of greater than 200...

Photonic-powered cable assembly
Patent • #8,358,893. A photonic-cable assembly includes a power source cable connector ("PSCC") coupled to a power receive cable connector ("PRCC") via a fiber cable. The PSCC electrically connects to a first electronic device and houses a photonic power source and an optical data transmitter. The fiber cable includes an optical transmit...

Photonic-powered cable assembly
Patent • #8,761,560. A photonic-cable assembly includes a power source cable connector ("PSCC") coupled to a power receive cable connector ("PRCC") via a fiber cable. The PSCC electrically connects to a first electronic device and houses a photonic power source and an optical data transmitter. The fiber cable includes an optical transmit...

Photonically engineered incandescent emitter
Patent • #6,611,085. A photonically engineered incandescence is disclosed. The emitter materials and photonic crystal structure can be chosen to modify or suppress thermal radiation above a cutoff wavelength, causing the emitter to selectively emit in the visible and near-infrared portions of the spectrum. An efficient incandescent lamp is enabled thereby. A...

Photonics & Lasers
Technology Area • The Photonics & Lasers technology area contains advanced solutions ranging from high energy laser systems to photonic microsystems. Sandia technologies in photonic sources have been licensed for defense, semiconductor chip manufacturing, thermal imaging, and consumer electronics.    This technology area contains specialized portfolios related to:  Imaging SystemsLight Emitting Diodes (LEDs) Infrared (IR) Sources...
Results 1651–1675 of 2,457