Abstract:The purpose of this proposal is to build a working prototype of a highly-adaptive, vehicle-independent, compact, low-power, low-cost, autonomous ground robot navigation system that incorporates the results obtained in our Phase I effort and in our earlier DARPA LAGR (Learning Applied to Ground… more
Abstract:In the tactical wireless ad hoc network, all networking nodes are vulnerable to various security attacks. Therefore, the centralized data storage is unable to protect the tactical data once the storage device is compromised by an adversary. Distributed data storage is the alternative that the data… more
Abstract:ABSTRACT: High temperature applications of titanium alloys are limited by their affinity to oxygen. In these alloys, oxygen absorption results in a brittle surface layer that has a deteriorating effect on the mechanical properties of the material. Reducing oxygen ingress into these alloys at high… more
Abstract:ABSTRACT: This research plans to use existing MSSS sensors to investigate methods to detect and track faint objects (greater than or equal to 14th visual magnitude) in any orbit around the Earth using ground-based electro-optics sensors, without prior knowledge of the object's orbit. The basic… more
Abstract:ABSTRACT: Space situational awareness is often limited by the ability of sensors to produce resolved data on space objects. Large objects cannot be resolved with small low-cost telescopes; objects in geo-synchronous orbit are too remote to be resolved. The best hope of ending these limitations is… more
Abstract:Areas of research relating to self-healing composites structures have been undertaken by well-known and respected research institutions under the auspices of the Department of Defense. Patent literature and public technical communique describe their novel engineering approaches using polymeric… more
Abstract:We propose an acousto-optic tunable filter (AOTF) spectropolarimetric imaging system for enhanced standoff chemical detection in the Long Wave Infrared (LWIR) wavelength region. The AOTF has no moving parts, making it a rugged and reliable device, and it provides polarimetric imaging capabilities,… more
Abstract:We propose to develop low cost LWIR FPAs using colloidal quantum dots (CQDs) of II-VI semi-metallic compounds. Brimrose has experience in the area of II-VI semiconductor QD synthesis and LWIR detector fabrication using narrow band gap semiconductor materials. Research Triangle Institute (RTI) in NC… more
Abstract:Sensor development researchers and engineers have perpetually sought novel methods to reduce sensor size and improve performance. Continued miniaturization of sensors through micromachining has enabled novel applications and introduced new paradigms for engineered systems to interact with the world.… more
Abstract:The technical objectives of this proposal are: (1) design a grating-coupled surface-emitting (GCSE) active-photonic-crystal (APC) 4.6 micron-emitting quantum-cascade laser (QCL) to deliver 15 W diffraction-limited CW power in the main lobe of the far-field beam pattern; (2) design a GCSE-APC QCL… more
Abstract:NASA requires new instrumentation technologies that can be applied to measure dynamic quantities such as acceleration and flow velocity under extreme temperatures where traditional sensing methodologies cannot be applied. The proposed Phase I SBIR research effort will seek to create accelerometers… more
Abstract:Spectral beam combination (SBC) of fiber lasers is the most practical approach to DEW-class HELs using diode-pumped fiber lasers. Use of conventional diffraction gratings to combine wavelengths is limited in that metal is inherently absorbing. Regardless of the metal layer thickness, optical power… more
Abstract:Conventional generation of a high-quality RF carrier (signal) beyond 50GHz requires high precision cavity engineering that inherently restricts contiguous bandwidth coverage. Worse, even if one were capable of fabricating a set of such stabilized, frequency-dense cavities to mimic discrete 30-120GHz… more
Abstract:ABSTRACT: In contrast to the NIR band, which is supported by an infrastructure of devices developed to serve telecommunication applications, the SWIR band remains out of reach for critical defense and commercial applications. While it is relatively simple to construct a low-noise oscillator within… more
Abstract:Discovery of frozen volatiles at the lunar poles is transformative to space exploration. In-situ resources will provide fuel to support far-reaching exploration and enable commercial endeavors. While satellite data supports presence of polar ice, driving and drilling must confirm presence, determine… more
Abstract:ABSTRACT: The Etched Air Taper Combiner as fist proposed by the US Air Force Academy has the advantages in that the input fiber bundle, the combining section, and the output to the gain fiber can be individually improved and optimized and then the components are spliced together to create the… more
Abstract:MDA plans to use sensors such as PTSS, SM-3, UEWR, and AN/TPY-2 to track and intercept ballistic missiles. In order to be successful, the C2BMC element must: 1) achieve and maintain stereo tracks, 2) perform target characterization, 3) prioritize and assign targets to interceptors, and 4) handover… more
Abstract:ABSTRACT: Over the last twenty years the United States has become dependent on space technology for communications, precision tracking and many other applications. Globalization of the world"s economy, which has also dramatically increased over the past twenty years, has resulted in this same… more
Abstract:One of the primary research objectives for multi-sensor data fusion within the Ballistic Missile Defense System (BMDS) is the development of novel techniques to enable robust target discrimination. While great strides have been made in recent years to advance capabilities through the use of… more
Abstract:Missile Defense Agency (MDA) recently adopted the Phased Adaptive Approach (PAA) to enhance the Ballistic Missile Defense System"s (BMDS) ability to counter emerging threats in the Middle East and Southeast Asia. PAA primarily focuses on fielding new sensor technology (e.g. AN/TPY-2 and PTSS)… more
Abstract:ABSTRACT: Future spacecraft could benefit from onboard planning and scheduling autonomy to effectively fulfill their missions. By eliminating the need to wait for the ground, planning decisions can be made faster based on event and status information available onboard. This is especially… more
Abstract:The neurocognitive health of U.S. service members plays a vital role in the defense of the United States. It is critical to a service member"s effectiveness, to force readiness, and it is a key component of a service member"s successful reintegration into family life and society following… more
Abstract:Scientic, Inc. proposes to enhance interceptor communications through the utilization of an advanced miniature software defined radio (SDR) interceptor data link. Scientic is leading the industry in this area by utilizing commercial electronics developed for mobile computing and telephony,… more
Abstract:A high-voltage, high-capacity, inexpensive cathode material for lithium-ion batteries (LIBs) is proposed. The cathode material employs carbon nanotubes and additional nanostructures to support efficient transport of Li ions. The resulting LIBs will support high transient and pulsed loads while… more
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