Abstract:Extreme temperature and non-equilibrium processes are both central to DOEs mission of addressing grand challenges in emerging energy and advanced materials; they are also crucial steps in the manufacture of many high value-add industrial products. MDI is advancing the ability to process and study… more
Abstract:In the proposed Phase II program, we will transition MicroLink's 6-inch epitaxial lift-off (ELO) solar cell fabrication process into a manufacturing platform capable of sustaining large-volume production. Key Phase II improvements in the ELO process are reduction in cycle time and increase in… more
Abstract:This program focuses on reducing the cost of substrate reclaim for high-efficiency solar cells fabricated via an epitaxial lift-off (ELO) process, while increasing the number of reuse cycles possible for a given substrate. We will introduce a new multi-layer etch-stop structure into inverted… more
Abstract:MicroLink and its subcontractor Magnolia Solar will develop and demonstrate advanced anti-reflection coating (ARC) designs that will provide a better broadband and angular response than that of current coatings. Advanced coatings of this nature are needed to realize the full potential forthcoming… more
Abstract:One of the major challenges currently facing the US defense forces is the requirement to meet the electricity demands of individual soldiers in a highly mobile forward operating base. In this Phase I program, we propose to develop and deliver a lightweight, high efficiency, flexible solar sheet for… 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:This proposal describes development of a new type of quantum-cascade laser for use as a local oscillator at frequencies above 2 THz. The THz source described is a single chip solution that operates at room temperature. In addition, a mechanism for wide tuning (2-4.7 THz) is described that requires… more
Abstract:High performance infrared detectors in the LWIR regime are highly needed in a number of missile defense missions. In order to image targets from long distance, it is important that imagers have high sensitivity and high resolution. This leads to technical goals of having low noise, low dark current… more
Abstract:Infrared countermeasure and standoff chemical detection applications require a light source with high power output, good beam quality, and a wide tuning range. There are a limited number of viable mid-infrared (3-5 micron wavelength) solutions that can provide these features in a compact and power… more
Abstract:Surface emitting semiconductor lasers eliminate the necessity for facet cleaving and allow for wafer scale testing, which increase the manufacturing yield and reduces the cost. However, in the mid-infrared, surface emitting semiconductor lasers are significantly underdeveloped compared to edge… more
Abstract:Thomas Jefferson National Accelerator Facility (JLAB) currently uses low efficiency klystrons, with a system of 340 klystrons approaching an MTBF of 170,000 hours. But over the lifetime of the project 60% of the tubes have been replaced, giving an MTBF for a single tube of about five to six years. … more
Abstract:S-Band vacuum loads at the SLAC linac are encountering operational problems now that they have to operate under the stringent requirements of the LCLS: 50 MW peak power, 6 kW average power, and extremely tight phase stability for the linac. Failure mechanisms have been studied which suggest an RF… more
Abstract:Counterfeiting activities for integrated circuits are a growing problem that affects the defense supply system. We are proposing a novel anti-counterfeiting method for IC packages of all shapes and materials that can protect against relabeling, delidding and outright copying. The approach is a novel… more
Abstract:Detecting light at the single photon level is a fundamental measurement function that is useful in a wide variety of applications, including such diverse fields as quantum communications, laser ranging, and biological spectroscopy. Avalanche photodiode based single-photon detectors are convenient… more
Abstract:The proposed project will undertake the research, design, and development of key concepts and technologies for a very-low-voltage high-speed semiconductor electro-optic modulator. Low-voltage high-speed optical intensity modulators with voltage 100GHz, and low optical loss<65%.
Abstract:In order to raise the inlet gas temperatures to improve thermal efficiency of industrial gas turbines (IGT), turbine blade materials are required to have superior creep rupture resistance. Ni-base single crystal (SX) blades have higher creep strength in comparison with directionally solidified… more
Abstract:QuesTek proposes to apply its Materials By Design approach to design a high performance, low cost soft magnetic material capable of achieving significant cost savings to approach the DOE motor cost target of $4.7/kW in 2020. In order to meet the ambitious motor targets, traction motors in… more
Abstract:The overall goal of the Phase II program is to move QuesTek"s new stainless bearing steel alloy development efforts from the Phase I prototype scale, to intermediate- and full-scale alloy production. The Phase II program will culminate with a demonstration of the new alloy"s properties at… more
Abstract:This research work aims to demonstrate the feasibility of applying a novel Acoustography technique for the semi-quantitative evaluation of bond shear strength and assessment of adhesive bond quality in airframe sandwich structures. The proposed approach will utilize thermal and mechanical excitation… more
Abstract:ABSTRACT: There is an urgent Air Force need for an advanced cycle turbo-fan for UAV applications. Spytek Aerospace proposes a 2-ITB, 500 LBT turbo-fan engine equipped with ITB driven fan capable of running a generator, thru a second ITB in variable modes for additional power on demand and at high… 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:The Navy needs an optical repeater based upon the NGCON (MIL-PRF-64266) because the optical power loss budget on military aircraft is demanding. A bi-directional optical amplifying repeater would address the optical loss issue of connecting a fiber optic link in the aircraft network. Challenges… more
Abstract:Problems of large-scale nonlinear optimization are central to the solution of difficult and novel problems that arise from the need to distribute electric power in the most efficient and reliable way. In recognition of the importance of optimization in this area, DOE & apos;s Office of Advanced… more
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
Abstract:Under the work proposed here, we will develop a physics based comprehensive software for modeling the behavior of a diode pumped alkali laser: DPAL. The software will be designed primarily for a He-Rb DPAL. However, it could easily be applied to DPALs based on other alkali atoms, such as Cs. … more
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