Abstract:The proliferation of weapons of mass destruction such as nuclear missiles and “dirty bombs” is a serious threat in the world today. Preventing the spread of these nuclear weapons has reached a state of heightened urgency in recent years, more so since the events on September 11, 2001 and its… more
Abstract:The proliferation of weapons of mass destruction such as nuclear missiles and “dirty bombs” is
a serious threat in the world today. Preventing the spread of these nuclear weapons has
reached a state of heightened urgency in recent years, more so since the events on September
11, 2001 and its… more
Abstract:Proliferation of the weapons of mass destruction such as nuclear weapons is a serious threat
and prevention of their spread has reached a state of heightened urgency in recent years. One
of the ways to passively determine the presence of nuclear weapons is to detect and identify
Abstract:To further advance the characterization and utility of microcantilevers, next generation optical detectors with higher frequency response, improved displacement resolution and lower noise for weak signal detection are needed. Consequently, Radiation Monitoring Devices, Inc. (RMD) will develop a… more
Abstract:DESCRIPTION (provided by applicant): This proposal's main objective is the development of a novel Perfusion Monitoring Device (PMD) based upon diffuse correlation spectroscopy (DCS), which will enable microsurgeons to assess the level of vascularization ofburied (prelaminated) flaps and the… more
Abstract:DESCRIPTION (provided by applicant): The onset of hemorrhagic shock is a major cause of death in emergency departments and trauma centers. Currently there is no clinically accepted quantitative monitor of the onset of hemorrhagic shock. Death from hemorrhagic shock results from diminished capillary… more
Abstract:DESCRIPTION (provided by applicant): Positron Emission Tomography (PET) is a functional imaging technique with the potential to quantify the rates of biological processes in vivo. The availability of short-lived positron-emitting isotopes of carbon, nitrogen, oxygen and especially fluorine allows… more
Abstract:Model calculations and risk assessment estimates indicate that secondary neutrons, with energies ranging between 0.5 to >150 MeV, make a significant contribution to the total absorbed dose received by space crews during long duration space missions [1-3]. Advanced scintillation materials, which… more
Abstract:DESCRIPTION (provided by applicant): The goal of Phase II is to develop the world's first safe, inexpensive, and easy to operate lead detector for consumers that can reliably detect dangerous levels of lead in toys and other products. It will be based on ahigh sensitivity yet inexpensive X-ray… more
Abstract:DESCRIPTION (provided by applicant): Simultaneous PET-MR Small Animal Imaging Principal Investigator: Dr. Gerald Entine, Ph.D. Abstract: The ideal biological imaging system would provide non-invasive, high-resolution, high-sensitivity, three-dimensional (3D) images of living systems.… more
Abstract:DESCRIPTION (provided by applicant): There is considerable interest in new and innovative manufacturing methods for medical imaging technologies to enhance performance while reducing cost. The precision and low-force signature of lasers makes them very attractive alternatives to traditional… more
Abstract:Radiation Monitoring Devices, Inc., (RMD) proposes to develop an alternative very long term, radioisotope power source with thermoelectric power conversion with greater than 10% energy efficiency for deep space applications. The proposed technology is based on a betavoltaic generator which can be… more
Abstract:NASA needs sensor systems to inspect space structures with minimum human interaction. These systems must be highly integrated and self-sufficient, low mass, simple to operate, provide reliable information, and use little command processing power.Eddy current testing (ECT) is a widely practiced and… more
Abstract:Since the launch of the first X-ray focusing telescope in 1963, the development of grazing incidence X-ray optics has been crucial to the development of the field of X-ray astronomy. The recent Decadal Survey also highlights the important contribution that X-ray astronomy can make in addressing… more
Abstract:In the proposed program, we plan to investigate novel semiconductor neutron detectors based on the wide bandgap lithium containing
compositions LiGaSe2, LiGaTe2, LiInS2, and LiInSe2. The goal of the program is to produce detector quality crystals and to
demonstrate efficient thermal neutron… more
Abstract:Neutron detection is one of the methods used in revealing illicit nuclear materials. Currently, there is an ongoing search for new and
better neutron detectors prompted by anticipated shortages of He-3 that is used in many of the current detection systems. This effort
proposes and investigation and… more
Abstract:Recent developments in synchrotron radiation sources have generated an urgent need for high performance X-ray detectors. While new imaging devices have been developed that employ high performance CCD sensors, what is currently lacking in these detectors is an adequate X-ray-to-light converter that… more
Abstract:X-ray microtomography (XMT) is a powerful tool for researchers in a wide range of fields, allowing 3D imaging at the micron scale. Many of the DOE synchrotron tomography facilities are involved in research that requires hard X-rays (high energy, up to 100 keV) in order to get better penetration into… more
Abstract:PET is a very powerful functional imaging technology and has the capacity to measure the transport and distribution of radionuclides, labeled photoassimilates in plants in 3D. PET Imaging of plants will help scientist to understand how plants respond to environmental stresses, and have many… more
Abstract:There is a critical need for low cost, high performance gamma-ray detectors for identification and localization of special nuclear materials (SNM) such as plutonium and weapons grade uranium. Cadmium zinc telluride (Cd1-xZnxTe or & quot;CZT & quot;) has emerged as the leading room… more
Abstract:Advanced sensors and measurement techniques are needed to increase resolution, and sensitivity to defects while reducing the intrusiveness and cost of inspection at nuclear power plants. Zirconium, a metal with a low neutron absorption cross section, is widely used in nuclear power plants and close… more
Abstract:Gamma ray spectrometers provide detection and spectroscopy of energetic photons (-rays), and are expected to be an important component of the future nuclear physics experiments including those being planned for the Facility for Rare Isotope Beams (FRIB) that is being funded by the Department of… more
Abstract:Degradation of reactor components, heat exchangers, and piping systems in nuclear power plants subjected to heat, high pressure and corrosion has been estimated to cost the electric power industry $17.3 billion dollars annually. Eddy current testing is a widely practiced, and critically important… more
Abstract:Proliferation of the weapons of mass destruction such as nuclear weapons is a serious threat in the world today. Prevention of the spread of nuclear weapons has reached a state of heightened urgency in recent years. Scintillator based gamma-ray spectrometers are an important tool in checking the… more
Abstract:There is a critical need for low cost, high performance gamma-ray detectors for identification and localization of special nuclear materials (SNM) such as plutonium and weapons grade uranium. Gamma ray spectrometers are an important tool in checking the proliferation of nuclear weapons. Cadmium zinc… more
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