---------- DTRA ----------

13 Phase I Selections from the 08.1 Solicitation

(In Topic Number Order)
RADIABEAM TECHNOLOGIES, LLC
13428 Beach Ave
Marina Del Rey, CA 90292
Phone:
PI:
Topic#:
(310) 822-5845
Mr. Salime Boucher
DTRA 08-001      Awarded: 5/13/2008
Title:Directed Mono-Energetic Gamma Source
Abstract:For long-range detection of Special Nuclear Materials, an intense beam of mono-energetic directed gamma rays is required. In this proposal, a novel, high-energy, high peak- and average-brightness gamma-ray source based on Inverse Compton Scattering is described. Novel techniques are introduced to increase the flux of the source for active photonuclear interrogation at stand-off range. In Phase I, the components of the system will be designed to demonstrate feasibility and cost-effectiveness. This work will lay the foundation for the Phase II project, in which key components will be fabricated and tested at a collaborating laboratory.

ALAMEDA APPLIED SCIENCES CORP.
626 Whitney Street
San Leandro, CA 94577
Phone:
PI:
Topic#:
(510) 483-4156
Dr. Brian Bures
DTRA 08-002      Awarded: 5/8/2008
Title:A fast pulsed, high flux directed neutron source for large stand off detection of special nuclear materials
Abstract:Alameda Applied Sciences Corp proposes to develop a fast pulse, directed, fast neutron source to detect special nuclear materials at large stand off. Our source offers a <100ns neutron pulse with a repetition rate up to 1kHz. The Ph I program will demonstrate the critical features of the source including: a narrow neutron pulse width; a highly directed neutron beam; neutron rate scaling to the level required for 100m stand off detection of SNM. The commercial goal is to develop a replacement to existing isotropic neutron tube sources for applications that benefit from a directed high energy neutron beam.

LC TECH
280 Parkside Dr
Palo Alto, CA 94306
Phone:
PI:
Topic#:
(650) 856-9122
Dr. Bin Chen
DTRA 08-002      Awarded: 5/14/2008
Title:High-Z Polymer Composites as a New Category of Gamma Scintillator Materials
Abstract:We propose a radically new approach to gamma scintillator materials based on high-Z polymer composites. These composites contain two key components molecularly dissolved in a polymer matrix that serves as the binder: (1) high-Z compounds for stopping high-energy gamma radiation; (2) luminescent conjugated polymers that functions as the scintillation activator. The molecular-level dissolution ensures high optical clarity. The polymeric matrix occupies a low volume fraction of the composites such that the effective Z is predominantly determined by the high-Z compounds. The high-Z compounds absorb incident gamma radiation. The deposited energy is transferred to the polymer and is released as visible photons. The proposed research involves liquid composite formulation and photophysical studies of the gamma attenuation, energy transfer, and light emission of the composites.

CFD RESEARCH CORP.
215 Wynn Dr., 5th Floor
Huntsville, AL 35805
Phone:
PI:
Topic#:
(256) 726-4800
Dr. Marek Turowski
DTRA 08-003      Awarded: 5/31/2008
Title:Characterization and Mitigation of Radiation Effects in High-Speed Compound Semiconductor Microelectronics
Abstract:For ultra high speed applications in DoD satellite systems, devices and circuits fabricated from III–V semiconductor compounds offer significant advantages over silicon-based technology in terms of operating speed and power. However, the uncertainty in single- event-effect (SEE) response of compound technologies forces the use of empirically- based hardening techniques with penalties in increased power, area, and weight. To enable better characterization and mitigation of SEEs in III-V technologies, CFDRC, in collaboration with Northrop Grumman Corporation (NGC) and Naval Research Laboratory (NRL), proposes the following innovations: (a) Accurate and cost-effective modeling of radiation effects in advanced high-speed III-V devices and circuits, enabled by enhancements to CFDRC’s NanoTCAD 3D/mixed-mode simulator; (b) New, more precise, charge generation models to complement the latest laser-based experimental techniques; (c) Simulation-supported design and validation of minimally-invasive mitigation techniques for SEEs. In Phase I, a representative advanced compound MMIC (Monolithic Microwave Integrated Circuit) will be used for ‘proof-of-concept’ characterization of SEEs (single- event upset/transient) by means of 3D/mixed-mode simulations, validated on a relevant high-speed mixed-signal circuit from NGC. Plans for SEE mitigation methods will be developed. In Phase II, the simulation efficiency will be significantly improved by adaptive 3D meshing, parallelization algorithms, and distributed mixed-mode computing. SEE mitigation methods for III-V ICs will be numerically explored, verified, and demonstrated.

RADIATION ASSURED DEVICES, INC.
5017 North 30th Street
Colorado Springs, CO 80919
Phone:
PI:
Topic#:
(719) 531-0800
Dr. Joseph Benedetto
DTRA 08-003      Awarded: 5/31/2008
Title:Engineered Substrates for “Zero-Penalty” Radiation Hardening of Ultra Deep Submicron Commercial Processes
Abstract:We have developed engineered epitaxial layers based on nanostructure technology that can potentially harden commercial silicon devices against radiation by minimizing collected photocurrents (electron-hole pairs) via recombination centers. Adding recombination centers in CMOS devices is a well-known technique for reducing the collected charge; however, attempts at manufacturing a device with this property has lead to unsatisfactory levels of leakage current. Because of these leakage currents, efforts at hardening devices without special processing or design changes have been focused on buried regions, such as buried guard-rings. While buried regions can improve single event response by truncating funneling, electron-hole pair yield is largely unaffected in the active and silicon/silicon dioxide regions. During the Phase I portion of this effort, we will demonstrate the enhanced recombination benefits of such engineered material, using wafers provided by Texas Instruments (TI) at no cost to the program. During a Phase II program, we will optimize the nanostructure film for use in various TI fabrication facilities. Radiation Assured Devices in Colorado Springs, CO will perform all the radiation exposures and electrical testing.

CREARE, INC.
P.O. Box 71
Hanover, NH 03755
Phone:
PI:
Topic#:
(603) 643-3800
Robert J. Kline-
DTRA 08-004      Awarded: 5/19/2008
Title:Portable Time of Flight Mass Spectrometer for Nuclear Forensics
Abstract:Analysis of nuclear material samples in the field has many advantages over laboratory analysis. Laboratory analyses can be slow, involve increased expense, lead to additional waste generation and disposal problems, and may introduce errors due to sample degradation or mishandling. In situ analysis mitigates all of these problems. The specific aim of this project is the development of a truly portable mass spectrometer for nuclear forensics. Our device will feature greatly reduced size and improved portability over commercially available units by combining proven, miniaturized mass spectrometer, vacuum system, and laser ablation ionization technologies. These technologies will be combined with an easy-to-use package and interface that will enable soldiers-in-the-field to perform analyses in less than a day that today require days to complete due to the need to ship samples from the field to DoE laboratories. The Creare team is extremely well qualified to develop and transition/commercialize this technology. The team is currently collaborating on the development and fielding of a mass spectrometer and vacuum system that will be used to perform in situ mass spectrometry on Mars as part of the 2009 NASA Mars Science Laboratory mission.

AGILTRON CORP.
15 Cabot Road
Woburn, MA 01801
Phone:
PI:
Topic#:
(781) 935-1200
Dr. King Wang
DTRA 08-005      Awarded: 5/8/2008
Title: Advanced nanocomposite scintillator for gamma radiation detection
Abstract:Until now gamma radiation detection has required large single crystals of sensitive materials that are difficult to produce consistently on an industrial scale. In collaboration with a research group at the University of Texas at Arlington, Agiltron proposes to develop a new class of nanocomposite scintillator materials. The radiation detection characteristics of the synthetic nanoparticles in the nanocomposite are superior to those of available single crystal scintillators, offering 10 to 20 times higher detection efficiency, improved energy resolution, and response times of a few nanoseconds. The proposed nanocomposite intrinsically eliminates light scattering by big nanocrystals, yielding excellent transparency for large volumes, and is scalable, low-cost, and robust in harsh environments. Phase I demonstrates the feasibility of the approach; Phase II will demonstrate a complete scintinallator instrument.

TETRAMER TECHNOLOGIES, LLC
657 S. Mechanic Street
Pendleton, SC 29670
Phone:
PI:
Topic#:
(864) 903-9009
Dr. Jeffrey R. DiMaio
DTRA 08-005      Awarded: 7/1/2008
Title:Bulk Composite Materials for Detection of Gamma Radiation
Abstract:The objective of this proposal is to develop enabling technology for the production of bulk scintillating nanocomposites that have gamma radiation detection properties of single crystal NaI but with the manufacturability of plastic scintillators. These performance criteria may be met by developing nanoparticle polymer composites with ultra-high nanoparticle loadings. These ‘ultra-composites’ would contain the minimum quantity of organic binder necessary to retain suitable mechanical and optical properties. In addition, the development and incorporation of polymers composed of high Z atoms will increase the stopping power of these materials. This increased stopping power from the polymer matrix will allow for more flexibility in the required nanoparticle loading level to obtain sufficient nanocomposite stopping power. While the specific scintillation materials used in this program are CdSe and CeF3, it should be stressed that this technology is applicable to all types of nanoparticles for scintillation.

PROTECTION ENGINEERING CONSULTANTS, LLC
4594 Highway 281 North Suite 100
Spring Branch, TX 78070
Phone:
PI:
Topic#:
(830) 438-7772
Dr. Charles J.
DTRA 08-006      Awarded: 4/16/2008
Title:Engineering Models for Damage to Structural Components Subjected to Internal Blast Loading
Abstract:The team of Protection Engineering Consultants (PEC) and Applied Research Associates (ARA) will develop a fast-running methodology that predicts damage levels of structural members subject to the blast environment from high explosives detonated inside a building (i.e., internal explosions). The research in Phase I will focus on reinforced concrete slab components. The methodology will consist of a combination of pressure-impulse (P-i) diagrams, scaled structural response curves for internal blast loads from TM 5-1300, a single-degree-of-freedom (SDOF) model, and design charts for localized response. Criteria will be included to select the fast-running methodology that is most applicable and efficient for each component depending on several factors including the blast load characteristics. Although each of these methods exists in a current form, significant work will be performed to modify them as necessary so that they are more applicable for efficiently analyzing components subject to internal blast loads. Also, significant work will be performed to understand internal blast loads using data and calculated values. The methodology will be validated utilizing existing test data and synthetic data generated by high fidelity computational codes. It will also demonstrate implementation of the methodology into VAPO.

WEIDLINGER ASSOC., INC.
375 Hudson St FL 12
New York, NY 10014
Phone:
PI:
Topic#:
(505) 872-1630
Mr. Darren Tennant
DTRA 08-006      Awarded: 4/16/2008
Title:Engineering Models for Damage to Structural Components Subjected to Internal Blast Loading
Abstract:Predicting the response of building components to internal detonations is more complex than the corresponding task for external loads because of the more complex loading waveforms which include multiple reflections in the shock phase followed by a long duration pseudostatic loading that depends upon room venting. Add the possibility of additional impulsive loading from primary debris. We propose to generate a fast running model capable of predicting damage from internal detonations incurred by a wide variety structural components, materials and construction methods, e.g., steel stud walls, reinforced concrete, concrete masonry units, etc. Step one involves categorizing and simplifying the variety of possible loading wave forms and parametrizing them for use as loading functions in the detonation room as well as adjacent rooms. We propose to use the MAZ computational fluid dynamics code and available experimental data to categorize the appropriate waveforms and then reduce them to simplified loading functions that produce the equivalent structural responses. We will use the FLEX computational structural dynamics code plus existing test data to generate a damage data base that will be incorporated into a fast running damage response model. The model will be validated against first principles computations and existing and new test data.

EXQUADRUM, INC.
12130 Rancho Road
Adelanto, CA 92301
Phone:
PI:
Topic#:
(760) 246-0279
Mr. Eric E. Schmidt
DTRA 08-007      Awarded: 7/1/2008
Title:Cost-Effective Gas Flow Data Sensors
Abstract:Current high energy, multi-room test facilities operated in support of Defense Threat Reduction Agency (DTRA) efforts suffer from a lack of robust sensors that can provide a cost-effective approach to obtaining dynamic-pressure induced gas flow data during internal detonations events. Exquadrum, Inc proposes a new sensor package that utilizes existing piezoelectric sensor technologies, but incorporates new “clean sheet” design methodologies for the sensor housing and sensor ports in order to focus on producing an extremely cost-effective design. Exquadrum, Inc plans to demonstrate a functional prototype in the Phase I effort that will be the basis for validating the primary design assumptions and to help guide a follow-on Phase II effort.

BROOKHAVEN TECHNOLOGY GROUP, INC.
12 Technology Drive STE 7
Setauket, NY 11733
Phone:
PI:
Topic#:
(631) 941-9177
Dr. J. Paul Farrell
DTRA 08-008      Awarded: 4/23/2008
Title:Agent Defeat using a DWA Accelerator
Abstract:A new type of compact induction accelerator currently under development at the Lawrence Livermore National Laboratory (LLNL) promises to increase the average accelerating gradient by at least an order of magnitude over that of existing induction machines. The machine is based on the use of high gradient vacuum insulators and advanced dielectric materials and switches. The system, called the Dielectric Wall Accelerator (DWA), employs a variety of advanced technologies to achieve a very high gradient. The high gradient capability of this design implies reduced size and cost for the same energy as larger accelerator systems. Reduced size also makes possible improved system mobility, which makes this an interesting new accelerator based high energy radiation source for National Defense and Homeland Security applications. This research project will determine the effectiveness of protons accelerated in this structure with energies from ~ 5 MeV up to 250 MeV can be used to defeat bio-agents and other WMD. The information will be used to determine the optimum configuration of compact mobile DWA for defeat of WMD. The information will be used to design a prototype DWA system in the Phase II research.

UES, INC.
4401 Dayton-Xenia Road
Dayton, OH 45432
Phone:
PI:
Topic#:
(937) 426-6900
Dr. Rabi S.
DTRA 08-008      Awarded: 4/25/2008
Title:Agent Defeat using Proton Accelerator
Abstract:The objective of this program is to develop a capability for a field deployable proton accelerator system that can generate high energy protons to neutralize concentrated masses of bio-agents held in steel storage drums. The Phase I research and development will involve conceptual design of a compact field deployable proton accelerator capable of delivering protons of energy >100 MeV, and studying the effect of energetic proton irradiation of bio-agents. Specifically, selected bio-agents will be irradiated at various proton energies, doses and flux rates and detailed toxicological investigations will be carried out. These data will be utilized to define the engineering requirements of a compact high energy proton accelerator.