Award Data

This Phase II SBIR project will continue the development of an optical sorter that will be used to estimate drop sizes in sprays. The optical sorter will determine the size of drops in the 0.1 to 10 microns range. Drops in this size range are prevalent in the automobile industry, where the fuel injection pressures have increased tremendously over the past two decades. These newer injectors provide ...

New Generation Access Control (NGAC)—because of its “neutrality by design”—represents the most effective and scalable approach for deploying “smart” access control and consent solutions in large dynamic scenarios. NGAC however presents with its own problems: (1) it has miniscule recognition and uptake in the workplace, (2) it is unusable by non-technical policy officers and (3) its doc ...

A back-illuminated planar InGaAs photodiode tested to have 95% quantum effiiency (QE) at 1550 nm, area greater than 1 mm2, low capacitance (125 MHz) will be improved. Although the existing Phase I device exhibited bulk material dark current generation better than commercially available devices, the sidewall-generated dark current was found to dominate the noise equiva ...

This project involves a feasibility study for a rapid scanning near-infrared/infrared spectrometer for transient, simultaneous measurements of CO2 and H20 concentrations, soot volume fractions and temperatures. Such measurements can lead to improved understanding of the structure of turbulent and laminar flames. A commercial instrument that can reliably provide simultaneous gas concentrtaion, so ...

In 1995, we started field trials of miniature autonomous aircraft, an aerosonde, for long-range weather reconnaissance. With a maximum weight of only 12 kg, and a wingspan of 3 m, it has about 1500 km range and 24 hours endurance. This early version leaves much room for improvement, and we expect to double range and endurance by mid-1997. Still another doubling ultimately should be feasible, to ...