Abstract:MicroLink Devices and the University of Notre Dame propose to develop an ultra-lightweight, high-efficiency, GaAs-based, multi-junction solar cell that will be suitable for use in future platforms requiring very high specific power (>3.0 kW/kg) and very high areal power density (>370 W/m2). We… more
Abstract:The proposed innovation will dramatically improve the performance of tritium-powered betavoltaic batteries through the development of a high-aspect ratio, expanded surface area p/n junction composed of indium gallium phosphide. The enhanced surface area features will be built using reactive ion… more
Abstract:MicroLink Devices will increase the efficiency of multi-junction solar cells by designing and demonstrating advanced anti-reflection coatings (ARCs) that will provide a better broadband spectral response than that of conventional anti-reflection coatings. Advanced coatings of this nature are needed… more
Abstract:Future NASA exploration missions require high specific power (>500 W/kg) solar arrays. To increase cell efficiency while reducing weight and maintaining structural integrity, we propose an approach to cell design that involves the use of quantum dots and epitaxial lift-off. In the near term,… more
Abstract:We propose the development of a 6-inch wafer bonding process to allow bonding of a multi-junction inverted metamorphic (IMM) tandem solar cell structure to an upright single-junction Ge solar cell. The process will use SU8 epoxy to provide the mechanical connection between the substrates with an… more
Abstract:The goal of the program is to reduce the cost of substrate reclaim for high-efficiency solar cells fabricated by an epitaxial lift-off (ELO) process, and to increase the number of reuse cycles for a given substrate. If successful, this will result in a reduction in the cost of GaAs-based… more
Abstract:The use of directed energy at long distances, such as for aircraft defense, requires a high power (>100 W) light source within the mid-infrared spectral region (3-5 micron). Power scaling of individual quantum cascade lasers using 1-D and 2-D arrays seems to be a straightforward approach. However… more
Abstract:High performance LWIR detectors are highly needed. In order to image from long distance, it is important that imagers have high sensitivity, high resolution, and very low dark currents. This leads to technical goals of having low noise, low dark current in small size pixels in large arrays. While… more
Abstract:High field magnets are needed for frontier accelerator facilities and have many applications beyond high-energy physics. Of particular interest are 30-40T class (LTS/HTS hybrid) solenoids required for the final beam cooling stages of a muon collider facility. The successful design of such magnets… more
Abstract:The development of H- ion sources with highest performance is essential for the success of the next generation of high power proton accelerators. Project X at Fermilab needs a CW H- Ion Source that satisfies demanding performance specifications: 10 mA CW beam current with normalized transverse rms… more
Abstract:The proposed project will undertake the research, design, and development of key concepts and technologies for a high-speed electronically tunable channel filter, based on monolithically integrated ultra-high-resolution super-compact grating (UHR-SCG) technology that has been developed in OptoNet.… more
Abstract:In this Phase I SBIR program, QuesTek Innovations, a leader in the field of integrated computational materials engineering (ICME), proposes to design and develop novel aluminum alloys specifically optimized for the unique processing conditions and challenges of Additive Manufacturing processing.… more
Abstract:In this SBIR program, QuesTek Innovations, a leader in the field of Integrated Computational Materials Engineering (ICME), proposes to develop and apply its microstructure-sensitive models to the"closed-loop,"location-specific prediction of nickel superalloy disk properties (e.g.,… more
Abstract:High-strength gear steels used in helicopter transmission components require a long service lifetime and enhanced fatigue resistance. As the current design approach of these materials uses empirical test data for stress/life predictions, these methods do not capture the scatter in the test data nor… more
Abstract:In this STTR program, QuesTek Innovations LLC, a leader in ICME (Integrated Computational Materials Engineering), will partner with Professor Chris Wolverton from Northwestern University to develop a theory-driven compound discovery methodology. Our unique approach will involve high throughput DFT… more
Abstract:ABSTRACT: With the roll of UAV"s becoming more complex, and their use more widespread, tactical requirements for performance, reliability, maintainability, supportability, and most recently low cost, have created the need for an advanced cycle propulsion system. Such an engine, must address… more
Abstract:Surface microtexturing can be used for enhanced heat transfer capabilities at liquid-solid or gas-solid interfaces to improve convection, decrease boundary layer size, change liquid flow properties, and affect the general fluid adhesion (wetting) on the material surface. Recent research has shown… more
Abstract:3D-nanostructured, large surface area materials are desired for a wide range of catalytic and chemical reaction devices, such as electrodes for fast-charging lithium ion batteries, compact catalytic converters for pollution control, high-speed crackers for petroleum reforming, high capacity filters… more
Abstract:Evolving demand for robust and accurate multi-physics modeling tools for high performance combustion devices is being driven by increasingly complex design, analysis, and simulation requirements, but existing models and their underlying assumptions need to be rigorously examined in light of their… more
Abstract:ABSTRACT: Tezzaron proposes to create a microprocessor device based on an ARM M0 processor designed to be fabricated in the Honeywell S150 Rad-Hard SOI semiconductor process. The device will be designed for both stand alone and 3D circuit integration. In a 3D application the device can be die to… more
Abstract:ABSTRACT: ReRAM has made significant progress over the last few years and is ready for development by early adopters. Tezzaron proposes to create a multilayer 3D assembled ReRAM memory device using Rambus ReRAM technology and Honeywell RH wafers. The phase II target device will be radiation… more
Abstract:Future particle physics experiments at the high-energy frontier, such as LHC, HL-LHC, ILC, CLIC or Multi-TeV Muon Collider, will all require silicon detectors capable of reconstructing charged particle trajectories with high accuracy in the presence of significant high occupancy. These experiments… more
Abstract:Improvements and advances are needed in the technical area of Advanced Sensors and Instrumentation technologies to enhance economic competitiveness for nuclear power plants and promote a high level of nuclear safety. Currently, visual inspection systems for Nuclear Energy applications in the core,… more
Abstract:We propose to develop a low SWaP, portable microwave Rb-87 cold atomic clock using pulsed coherent population trapping (CPT). The SWaP goal is to achieve a volume of<1 liter, weight of<1 kG, and a power consumption of<5 Watts. The performance goal is
Abstract:ABSTRACT: For navigation of space platforms under GPS denied conditions, there is a need for micro-inertial sensors, with better accuracy and smaller volume and weight than the state of the art. We at Digital Optics Technologies (DOT) have been developing a superluminal ring laser gyroscope (SRLG)… more
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