Abstract:We propose to develop a space based radiation hardened GPS transmit antenna capable of forming spot beams to enhance the GPS signal on the ground by greater than 5 dB. It is expected that our transverse compound hybrid antenna will provide as much as 30 dB… more
Abstract:… for current fuels. The proposed project is made possible by the confluence of advances in additive micro-fabrication that would not only transform TRISO fuel fabrication from batch to continuous manufacturing, but would also embed them in high temperature and radiation… more
Abstract:ABSTRACT: Solar arrays play a key role in the operation of spacecrafts and unmanned aerial vehicles. Traditionally, inorganic semiconductor based solar arrays have been used for space applications because of their highest efficiencies. However, these solar arrays have several major limitations like… more
Abstract:Worldwide there are a number of synchrotron beamlines dedicated to resonant soft x-ray inelastic scattering. There are also new beamlines currently being designed to take advantage of improved third generation synchrotron radiation sources and this powerful experimental… more
Abstract:The effectiveness of synchrotron radiation science is being hindered by the limited availability of advanced detectors. This is due to the limited deployment of existing detectors as well as limited development effort to provide new advanced capabilities. As synchrotron… more
Abstract:… and efficiency. The benefits of using diamond are: improved mechanical robustness which among other advantages prevents collapse of high-aspect-ratio ring structures, a known high-aspect-ratio etch method, and excellent compatibility with other processes, excellent radiation… more
Abstract:Atmospheric nucleation processes produce large numbers of particles. Once formed, these particles grow rapidly and may alter the formation and lifetime of clouds, and thereby influence the earths radiation balance. Rapid growth of newly formed particles has been observed in… more
Abstract:In this program, AET will perform research and development with the objective of developing an advanced radiation hardened data converter architecture for application in US Navy strategic programs. This advanced radiation hardened data converter will have… more
Abstract:RMD is proposing the development of Smart-Phone Enabled Radionuclide Identifier (SERI), a new detection instrument designed to take full
advantage of smartphone / tablet technology. The hardware platform will include a new advanced scintillator that will provide both high gamma-ray
efficiency and… more
Abstract:Synchrotron radiation is a powerful tool for measuring structural properties of materials. Important applications of higher energy synchrotron X-rays include measurement of strain and material evolution during processing, studies of composite materials and studies of layered… more
Abstract:The two reflectometers at SNS serve rapidly growing communities in the fields of nanoscience, membrane bioscience, surfactant chemistry. Unique capabilities of these instruments include ultrahigh neutron intensity for in-plane diffraction and off-specular/grazing- incidence small-angle scattering… more
Abstract:Current radiation detectors are typically capable of detecting only one type of radiation. Therefore, the current detection systems require a number of individual detectors to be used for each type of radiation. The development of the proposed nuclear… more
Abstract:One of the proposed next generation Intensity Frontier experiments is Mu2e. Mu2e will directly probe the Intensity Frontier as well as aid research on the Energy and Cosmic frontiers with precision measurements required to characterize the properties and interactions of new particles discovered at… more
Abstract:At present, detectors of fast neutrons use liquid scintillators liquid scintillators can be dangerous to handle due to their low flash points and bulkiness, and the readout of the liquid scintillator by large PMTs limits the available position resolution and ability to operate in high magnetic… more
Abstract:Current radiation detectors are typically capable of detecting only one type of radiation. Therefore, the detection systems require a number of individual detectors to be used for each type of radiation. Also the performance to cost ratio of the currently… more
Abstract:The DOE is planning to restart work at one or both of the research reactors at Idaho National Laboratory (Transient Reactor Test Facility) and Sandia National Laboratories (Annular Core Research Reactor). Neutron radiography plays a large role in the work done at these facilities and there is a… more
Abstract:… of multidirectional cracks within the fuel pellets and identify density and/or burnup variations through the fuel rods. A large area digital detector that can simultaneously provide high spatial resolution and rapid response, and can operate in a harsh radiation… more
Abstract:… is desired to passively determine the structural integrity of spent fuel assemblies by monitoring conditions inside the casks including temperatures, pressures, corrosion products and radioactive decay elements. RMD will investigate diamond detectors for monitoring radiation… more
Abstract:While substantial advancements have been made in realizing tube based large area detectors such as the Large Area Picosecond Photo-Detector (LAPPD), there is widespread agreement in the cathode community that a higher QE bialkali cathode is possible, and that the present understanding is… more
Abstract:… FEG will be fired in order to accomplish the desired pulse repetition rates (PRR) in excess of 100 Hz. When the oscillator is fully charged, an internal switch closes and the oscillator will begin to oscillate with the chosen antenna load to generate a wideband radiated… more
Abstract:ABSTRACT: Cloud ice water content and cloud liquid water content strongly affect radiative transfer of solar energy to the atmosphere, and hence need to be taken into account in any modeling of the weather and climate. This proposal advances the poorly-known area of sensitivity… more
Abstract:… resilient network infrastructure. The broader impact of this project includes the advancement of standards-based network infrastructure and open source Software-Defined Networking (SDN) networking technologies, and more specifically the development of hardened … more
Abstract:Accurate high-performance, low-cost handheld devices are needed by law enforcement and first responders for the detection, identification,
classification and reporting of radioactive materials. The goal of this program is to produce a compact, low-power radiation identifier that… more
Abstract:The objective of the present proposal is to develop and apply accurate, robust and cost-effective methodologies for the prediction of the interior nozzle flow, seamlessly coupled with high-fidelity large eddy simulation (LES) for the prediction of the jet plume and radiated… more
Abstract:… algorithms to existing simulations and models in the program of record using an instrumented test environment, investigators can identify the most promising design for using adaptive learning in the Torpedo Warning System. The benefit of the approach is to harden battle group… more
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