Abstract:The proliferation of weapons of mass destruction such as nuclear missiles and dirty bombs is a serious threat in the world today. Fast-neutron detectors are an important tool in monitoring the proliferation of nuclear weapons. Discrimination between fast neutrons and gamma rays is typically… 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 largely… more
Abstract:Realization of high-performance compact lasers will require the development of substrates and advancements in optical coatings that can withstand the harsh environments of corrosive gases, high temperatures, and high energy densities. Toward this end we intend to undertake the development of novel… more
Abstract:The goal of this program is to develop a process for producing ceramic materials with properties approaching or, possibly in some aspects, exceeding those of single crystals. Ceramic processing provides important benefits including lower cost, higher yield, relaxed constraints on size and shape,… more
Abstract:In the event of an intentional or accidental release of ionizing radiation, it will be critical to have rapid triage assessment tools to evaluate the health of mission-critical personnel and to make effective use of available medical and emergency resources. However, assessment of whole body… more
Abstract:Todays conventional solar energy conversion technologies face serious problems, because of their combination of moderate efficiencies and high photovoltaic complexities, and because they are burdened with high manufacturing costs. For solar cells to be cost-competitive with other primary sources of… more
Abstract:An important type of water pipe is the Prestressed Concrete Cylinder Pipe (PCCP). There are thousands of miles of PCCP installed in the US in sections with length up to 20 feet and diameter for 2 to 14 feet. The large size of the pipes, the thickness of the concrete (up to 10 inches) and the… more
Abstract:The proliferation of weapons of mass destruction (WMD) is a serious threat. Preventing the spread of these nuclear weapons has reached a state of heightened urgency in recent years. Neutron detection is an important component of the overall detection techniques used in identifying WMDs.… more
Abstract:Nuclear material accounting within the nuclear fuel cycle includes preventing and detecting theft or diversion of special nuclear material. Neutron detection by use of pressurized He-3 tubes is a critical component within the scheme of safeguarding nuclear materials. Due to the worldwide shortage … more
Abstract:Nuclear material control and accountability (MC & amp;A) programs at DOE facilities require new techniques that maximize material loss detection sensitivity, increase the quality of accountability measurements, minimize material holdup, and reduce the magnitude of inventory differences… more
Abstract:Gamma-ray and neutron spectroscopy are well established techniques for determining the chemical composition of planetary surfaces, and small cosmic bodies such as asteroids and comets; however, new technologies with the potential to significantly improve the performance of planetary nuclear… more
Abstract:To address issues of sub-optimal performance of current X-ray CT scanners used by the first re-sponding providers to expedite diagnosis and triage, we are developing a novel scintillator that offers a unique promise to achieve high-sensitivity, high-resolution X-ray imaging through its integration… more
Abstract:The ideal semiconductor detector for the nuclear non-proliferation application should have good energy
resolution, high detection efficiency, compact size, light weight, easy portability, low power requirements
and low cost. In the proposed effort, we plan to continue our development of thallium… more
Abstract:The ideal semiconductor detector for nuclear monitoring should have good
energy resolution, high detection efficiency, compact size, light weight, easy
portability and low cost. In the proposed effort, we plan to develop a detector
module for nuclear monitoring based on thallium bromide (TlBr), a… more
Abstract:The goal of the proposed program is to identify an effective passivation material and develop a capable passivation methodology to protect highly reticulated HgCdTe surfaces. The proposed passivation material and technique using highly conformal atomic layer deposition (ALD) will allow the DOD to… more
Abstract:The Next Generation Light Source (NGLS) is a transformative new user facility currently in the planning stages at DoE. This facility would use a LINAC to accelerate electrons up to 2.5GeV in order to produce the free-electron lasers (FELs) used for the experiments. After the FELs, an approximately… more
Abstract:Low-mass, ultra-stable particle tracking detectors will be critical elements of upgrades to experiments at the Large Hadron Collider (CERN) and at potential future electron-positron colliders. Mass assigned to support structures, although critical in function, compromises detection through… more
Abstract:ABSTRACT: Recent SES full-scale testing of composite Instrument Landing System Glide Slope (ILS/GS) Towers indicates that frangibility for these large NAVAID structures is indeed possible. However, there is currently no clear and definitive definition of frangibility (with respect to force and… more
Abstract:ABSTRACT: This Phase I SBIR research addresses an important and timely technological need, specifically the practical development and demonstration of a very low-cost, multi-frequency, multi-beam phased array subarray technology. This low-cost subarray technology is the fundamental building block… more
Abstract:Ceramic Matrix Composite (CMC)'s are highly susceptible to interlaminar shear failure at elevated temperatures. Therefore, interlaminar properties, critical design limitation of CMC should be assessed accurately with appropriate test methods to ensure overall structural reliability/integrity of… more
Abstract:This Small Business Innovation Research (SBIR) Phase II project proposes to develop a new signal amplification system that, while being inexpensive and simple to use, can be combined with antibodies or other probe molecules and can increase detection limits of conventional Enzyme-linked… more
Abstract:To ensure safe and reliable power production by nuclear power plants, a wide variety of materials and components need to undergo inspections and maintenances at pre-determined intervals. Condition based maintenance is highly desirable because it can potentially avoid unnecessarily costly maintenance… more
Abstract:In this proposal, AlphaSense, Inc. details the development of a novel, low cost and handheld microwave sensor for the detection and evaluation of incipient composite heat damage. The merits of the proposed sensor and its advantages over other techniques are listed below: a) Compact, handheld and low… more
Abstract:To produce drop-in biofuel from lignocellulosic biomass materials at prices competitive to fossil fuels requires consistent and reliable solid biomass feeders for pressurized reactors. Experience with coal has not been reliable, and the lower density and more irregular configurations of raw biomass… more
Abstract:Utilizing a dry cooling system for power plant condensers can reduce cooling system water need by over 90%, versus a wet cooling system, thereby reducing permitting and associated water use problems. However, by shifting from a wet to a dry cooling system, the volume, weight and cost of… more
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