Abstract:Diode-pumped alkali laser systems (DPALS) are under development for high-energy laser defense systems due to their extremely high theoretical optical efficiency, efficient thermal management, and comparatively small footprint. However, traditional antireflection coatings for the optics used in the… more
Abstract:ABSTRACT: The surfaces of rocket engines are exposed to high pressure combustion products at temperatures up to 6000°F. Regenerative cooling can cause coke to form on the heat exchanger surfaces and the intention to reuse engines creates the potential for excessive coke accumulation, reduced… more
Abstract:ABSTRACT: The development of weapons that can travel at hypersonic speeds is becoming a high priority to the US Air Force. Continued development of these vehicles relies on the ability to cool the combustor using the fuel. The cooling capacity of kerosene-based fuels is low even with endothermic… more
Abstract:Spacecraft operations demand a high level of responsiveness in dynamic environments. During operations, it is possible for unexpected events and anomalies to disrupt the mission schedule, and in the case of critical faults, even threaten the health and safety of the spacecraft. Historically, it has… more
Abstract:Reliable knowledge of soil moisture is required for numerous Army and civilian applications including mobility assessments, flood forecasting, agricultural management, erosion mitigation, and control of vector-borne diseases. Soil moisture cannot be measured at the resolution that is required for… more
Abstract:Aircraft equipped with On-Board Oxygen Generating Systems (OBOGS) selectively filter nitrogen and other gaseous contaminants in air from the aircraft's engine to provide the aircrew with an oxygen enriched breathing gas. Under suboptimal operating conditions, toxic byproducts can breach the… more
Abstract:Advancements are needed to improve and optimize the performance of existing and future concentrating solar power (CSP) plants by developing and improving the reliability of advanced instrumentation. A need has been identified for improved pressure, temperature, flow and level sensors for existing… more
Abstract:There is a need for condition monitoring sensors capable of function in the harshest environments associated with advanced power systems that will: directly contribute to improving system control, protect capital equipment investment, and promote safety through prevention of catastrophic… more
Abstract:Sporian proposes to develop a wireless sensor suite for rotorcraft Generator Control Unit (GCU) and Main Power Relay (MPR) health monitoring. This sensor suite will monitor the GCU for changes in component characteristics (e.g. resistance of relay contacts), temperature, vibration extremes, voltage… more
Abstract:Sporian Microsystems Inc. has spent the last several years developing polymer derived SiCN sensor and associated packaging technology for application temperatures up to 1350 & #176;C, and demonstrated them in the combustion environments of a range of commercial burner rigs and aerospace turbine… more
Abstract:Currently, the Expeditionary Fire Support System (EFSS) resupply doctrine is hazardous to Marines and the transport aircraft (MV-22 or CH-53) as it potentially exposes Marines and aircraft to enemy hostilities for a significant duration of time as 120mm mortar ammo is unloaded manually from the… more
Abstract:This project targets the development of a commercially viable silicon-nitride (SiN) Atomic Layer Deposition (ALD) process for gallium nitride (GaN) Monolithic Microwave Integrated Circuits (MMICs) applications. In particular, this project will provide a higher quality substitution for commonly used… more
Abstract:Robust H ion sources are a key component for the Spallation Neutron Source at ORNL. Antennas used to produce H ions often fail when plasma heats the protective insulating coating on the antennas, exposing the bare metal and causing structural failure. Reducing antenna failures, which are expensive… more
Abstract:The behavior of plasmas near metallic and dielectric surfaces in the presence of oscillating fields is critical for both the plasma processing industry and fusion reactors. In magnetic fusion research, sheath formation near the radiofrequency (RF) antenna structures used to heat the core plasma… more
Abstract:The Berkeley Lab Laser Accelerator (BELLA) is a DOE-funded program being constructed for the purpose of accelerating electrons to 10 GeV in a distance of just 1 meter using laser-plasma acceleration techniques. Tape-based plasma mirrors have been proposed to couple the intense laser pulses into each… more
Abstract:It is a priority of the DOE Office of Nuclear Physics to build a next-generation polarized electron-ion collider capable of meeting the luminosity requirements of the experimental nuclear physics program. The electron cooler system for the proposed Medium Energy Electron-Ion Collider (MEIC) at… more
Abstract:The successful operation of the Department of Energy (DOE) next generation X-ray light sources and accelerator facilities depends on developing reliable photocathodes with long lifetime for production of low emittance, high-brightness, high-average current electron beams. Experiments have already… more
Abstract:Spacecraft charging and subsequent vacuum arcing poses a significant threat to satellites in LEO and GEO plasma conditions. Localized arc discharges can cause a flashover plasma expansion, that can lead to further discharge of charge stored on dielectric surfaces such as solar panel arrays, which… more
Abstract:ABSTRACT: We propose to develop extremely compact and rugged laser systems for emerging cold-atom-based sensors of time, gravity, and inertial forces. This phase II will provide complete and disruptive cold-atom laser / electro-optic control systems. We will design and build distributed Bragg… more
Abstract:High bandwidth communication links are needed between satellites and ground stations, inter-satellite, and to airborne assets. As data loads increase and satellites available payloads decrease keeping the information flowing becomes even more challenging. In this SBIR program we will design and… more
Abstract:In this SBIR program we will develop, design and build new scanning based micro-ladar sensors with unprecedented small size, weight, and power (SWaP), thereby enabling scanning ladar deployment on previously inaccessible platforms such as satellites. The system will range out to>1 km, have high… more
Abstract:Vescent Photonics proposes to develop a compact laser system and integrate it with a cold-atom micro primary standard developed under the DARPA IMPACT program. In phase I we will investigate performance enhancements resulting from immobilizing the cold-atom sample with an optical lattice formed from… more
Abstract:Vescent Photonics proposes to develop new electro-optic (non-mechanical) laser scanners with unprecedented cost and Size, Weight, and Power (SWaP), thereby enabling use on a variety of previously inaccessible platforms (e.g., soldier mounted, UAV/MAV, UGV, micromunitions, and more). The Vescent EO… more
Abstract:ABSTRACT: Welkin Sciences proposes to design and build a Wideband Digital Channelizer for SATCOM (WDCS) to address the Air Force"s needs to reduce size, weight and power (SWaP) of future SATCOM terminal equipment. Our proposed solution for the WDCS will facilitate the introduction of… more
Abstract:Eltron Research & Development, Inc (Eltron) has developed a refractory, flexible, inorganic paint that has shown excellent performance in protecting polymers from direct heat sources. In this project, Eltron will coat portable helipad mat materials such as polyethylene and polyester as well as… more
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