Abstract: Crosslinkable polymeric materials are disclosed useful for the temporal stabilization of a poling-induced noncentrosymmetric host lattice containing guest nonlinear optical chromophores. The materials are also suitable as crosslinkable coatings in the absence of chromophores. Also disclosed is a method of crosslinking such polymeric material.

Abstract: A radio frequency coil assembly for use in a magnetic resonance system comprises a set of conductors for detecting magnetic resonance signals in three orthogonal planes and capacitors for resonating the set of conductors at a predetermined frequency. A conductor of the set of conductors is placed on each edge of a cube-shaped volume and the capacitors are placed on each conductor of the set of conductors such that each conductor has substantially equal effective capacitance. A four element band pass birdcage coil comprises two square end ring segments, each end ring segment comprising four sides of equal length, and four rungs of length equal to a side of the end ring segment, and wherein four rungs join in respective corners of the end ring segments.

Abstract: A composite structure having a silicon carbide epitaxial layer is provided. The epitaxial layer includes at least four regions arranged vertically and defining respective interfaces, where each of the regions is characterized by a respective impurity concentration, where the impurity concentrations vary across each of the interfaces, and where each of the impurity concentrations exceeds 1×1017 cm?3 for at least one single impurity in all of the regions.

Abstract: According to one embodiment, the present technique provides a phantom for testing imaging device. The exemplary phantom includes a first portion having groups of vessels, which are filled with a radiographically opaque substance (i.e., a contrast agent). The each group of vessels may extend from a central region of the first portion to the periphery of the central portion. The phantom may also include a second portion having a testing region. By way of example, the testing region may comprise a series of rings, each ring being configured to attenuate X-ray radiation differently. Adventurously, each ring may comprise materials configured to emulate different types and amounts of human tissue. For example, the exemplary phantom may include a ring, which emulates bone tissue, and a second ring, which emulates soft tissue. Moreover, each ring may be configured to emulate different amounts of tissue.

Abstract: A method for determining a physiological parameter in the presence of correlated artifact, including obtaining two digital waveforms, x and y, the waveforms being representative of the absorption of two wavelengths of electromagnetic energy received from a blood-perfused tissue, and where each of the waveforms has a component corresponding to a plethysmographic waveform and a component corresponding to the correlated artifact; calculating several weighted difference waveforms of the form x?R*y, where R is a multiplier, by varying R over a range; evaluating the several weighted difference waveforms using a shape characteristic of the weighted difference waveform; identifying a weighted difference waveform most closely representative of and one most different from the plethysmographic waveform; determining a pleth-based physiological parameter using the waveform most closely representative of the plethysmographic waveform; determining at least one artifact-based physiological parameter using the waveform most d

Abstract: A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber structure. The polymeric material substantially saturates the reinforcing material and cures to form a reinforced polymeric composite which may increase or restore the pressure rating or operating pressure capacity of the pipe. Optionally, an outer containment component, such as a sleeve, shell, box, wall, outer pipe, and so on, may be installed around the reinforcing material prior to introduction of the polymeric material. Further, the polymeric material may be subjected to pressure to facilitate contact of the resin through the reinforcing material.

Abstract: A technique for making a bulk isolated PN diode. Specifically, a technique is provided for making a voltage clamp with a pair of bulk isolated PN diode. Another embodiment provides for a voltage clamp with a pair of bulk isolated PN diodes in parallel with a pair of MOSFET diode-connected transistors. In addition, a method for manufacturing the bulk isolated PN diodes is recited.

Abstract: Data representative of operation of biomedical equipment in a medical facility is collected and stored in a centralized database. The information may be collected manually during the life of the equipment, or automatically by connection to the equipment. The data references equipment types, manufacturer, departments, locations, and other relevant information for the equipment. Based upon the collected and stored information, parameters representative of possible training needs is analyzed and reported. The parameters may include error, breakdowns, and the like. Detailed reports delivered to the medical institution may thus provide a basis for planning training to enhance performance and utilization of the equipment.

Abstract: A method of coating a ceramic matrix composite fiber is disclosed. The method includes passing the composite fiber through a reaction zone along a path substantially parallel to a longitudinal axis of the reaction zone. It also includes passing a flow of a fiber coating reactant through the reaction zone. Further, the method includes disrupting a portion of the flow of the fiber coating reactant from a path substantially parallel to a fiber path to create a mixing flow adjacent the composite fiber.

Abstract: One or more techniques are provided for adapting a reconstruction process to account for the motion of an imaged object or organ, such as the heart. In particular, projection data of the moving object or organ is acquired using a slowly rotating CT gantry. Motion data may be determined from the projection data or from images reconstructed from the projection data. The motion data may be used to reconstruct motion-corrected images from the projection data. The motion-corrected images may be associated to form motion-corrected volume renderings.

Abstract: System, method and computer product for baseline modeling a product or process. A service database contains process data. A preprocessor processes the data into a predetermined format. A baseline modeling component builds a baseline model from the preprocessed data, wherein the baseline model relates process performance variables as a function of process operating conditions.

Abstract: A method for identifying localized optical emission is disclosed. The method involves identifying a region, which corresponds to a plurality of scintillator units of a scintillator, on a position sensitive photodetector that is impacted by one or more photons. The method further involves identifying a readout channel of a pixellated photodetector array that corresponds to a pixel associated with a scintillator unit impacted by the one or more photons. The method, further involves, identifying the scintillator unit based on the region and the readout channel.

Abstract: In certain embodiments, a lamp is provided with an arc envelope including a ceramic, an end member including a material different from the ceramic, and a compliant seal disposed between the end member and the arc envelope. The compliant seal includes a plurality of layers having different thermal expansion characteristics in an order of gradual change between the arc envelope and the end member.

Abstract: A method for diagnosing and classifying faults in a system is provided. The method comprises acquiring operational data for at least one of a system, one or more subsystems of the system or one or more components of the one or more subsystems. Then, the method comprises analyzing the operational data using one or more diagnostic models. Each diagnostic model uses the operational data to determine a probability of fault associated with at least one of the one or more components or the one or more subsystems. Finally, the method comprises deriving an overall probability of fault for at least one of the system, the one or more subsystems, or the one or more components using the one or more probabilities of fault determined by the one or more diagnostic models and one or more hierarchical relationships between the subsystems and components of the system.

Abstract: A large area transducer array comprising a substrate having a front side and a backside, a plurality of transducers disposed on the front side of the substrate and patterned in the form of a two-dimensional transducer array in the X-Y plane, a plurality of connectors disposed on the backside of the substrate where the connectors are electrically coupled to the transducer elements. Further, a stacked transducer array comprising an electronic device disposed in a first layer, a substrate including a front side and a backside, an electrical interconnect layer disposed on the substrate and a plurality of transducers disposed in a third layer where the transducers are electrically coupled to the electronic device disposed in the first layer.

Abstract: Embodiments include an imaging system that includes a collimator support base and a detector assembly. The collimator support base is configured to interchangeably accept a slit aperture collimator and a pinhole aperture collimator. The slit aperture collimator has either a corresponding septa assembly or a corresponding crossed-slit collimator. The detector assembly is configured to detect collimated gamma rays emanating from a subject in a field of view of the imaging system and generate one or more signals in response to the detected gamma rays. Methods of adjusting performance of imaging systems are also provided.

Abstract: A photovoltaic device comprising a photovoltaic cell is provided. The photovoltaic cell includes an emitter layer comprising a crystalline semiconductor material and a lightly doped crystalline substrate disposed adjacent the emitter layer. The lightly doped crystalline substrate and the emitter layer are oppositely doped. Further, the photovoltaic device includes a back surface passivated structure coupled to the photovoltaic cell. The structure includes a highly doped back surface field layer disposed adjacent the lightly doped crystalline substrate. The highly doped back surface field layer includes an amorphous or a microcrystalline semiconductor material, wherein the highly doped back surface field layer and the lightly doped crystalline substrate are similarly doped, and wherein a doping level of the highly doped back surface field layer is higher than a doping level of the lightly doped crystalline substrate.

Abstract: One or more techniques are provided for identifying a period of minimal motion for an organ of interest, such as the heart or lungs. Motion data is acquired for the organ of interest and for one or more proximate organs using sensor-based and/or image-based techniques. The sensor-based techniques may include electrical and non-electrical techniques. The image-based techniques may include both pre-acquisition and acquisition image data. The motion data for the organ of interest and proximate organs may be used to generate a set of multi-input motion data that may be processed to identify desired periods, such as periods of minimal motion, within the overall motion of the organ of interest.

Abstract: A method for installing an offshore wind turbine system includes driving a cylindrical annular monopile or a substructure into the soil. The monopile includes a flanged portion configured to support a wind turbine tower or a superstructure. The flanged portion extends radially from a peripheral surface of the monopile. The method further includes mounting a wind turbine tower directly on to the monopile, wherein the wind turbine is supported by the flanged portion of the monopile.

Abstract: An electromagnetic coupler comprising: a coupling waveguide adapted for receiving input modes along an input axis, propagating coupling modes along a coupling axis, and transmitting output modes along an output axis, the output axis being not parallel to the coupling axis; and an output waveguide disposed adjacent the coupling waveguide and adapted for receiving the output modes.