Award Data

We propose to develop 1 watt cw diode lasers for the 1.5-1.95 mm spectrum. The innovation consists of a novel "tapered-amplifier master-oscillator-power-amplifier" (TA-MOPA) applied to our previously demonstrated quantum well laser devices for this spectral range. Sensors Unlimited and the David Sarnoff Research Center have already teamed up to commercialize distributed feedback lasers with powe ...

The objective of this project is to design a fractual object based image database system which enables video insertion into real time simulation systems. A cost/benefit analysis of the design will be performed to determine the utility of implementing the design in Phase II. Requirements for the Fractal Object Database System will be determined in consultation with the Sponsor and from interactio ...

WE PROPOSE TO EMPLOY A NEW NON-INTRUSIVE OPTICAL TECHNIQUE TO MEASURE INSTANTANEOUS THREE DIMENSIONAL FLOW VECTORS IN LARGE SCALE SUBSONIC F ACILITIES WITH HIGH (BETTER THAN MACH .02) ACCURACY. THE METHOD UTILI ZED A PULSED LASER BEAM TO "WRITE" AN ARBITRARY PATTERN INTO ORDINARY AIR BY MEANS OF STIMULATED RAMAN VIBRATIONAL EXCITATION. AFTER SUITAB LE TIME DELAY, DURING WHICH TIME THE INDUCED PATT ...

The objective of the proposed effort is to design an all solid-state, eye-safe (1.5 um) laser that will abe superior to existing eye-safe lasers in terms of power, efficiency, cost, and beam quality. The proposed laser system is based on solid-state Raman shifting of Nd:YAG laser radiation using barium nitrate. Several designs will be presented and performance characteristics (based on properties ...

Erosion of aerodynamic components by rain has traditionally been studied with a rotating arm, where the component is swung into a water spray simulating rainfall. This method, for obvious reasons, is not well suited for testing componets that are large and heavy. Arnold Engineering Development Center (AEDC) has a need for a steady state test facility capable of simulating rain (up to transonic spe ...

This exploratory development program is devoted to the development of an automated electromagnetic field probe to measure the electromagnetic fields in an anechoic chamber. The approach is based on the use of SATIMO's innovative rapid electromagnetic field measurement technique that scans large test areas or volumes in a few seconds or minutes, compared to the hours of measurement time required f ...

Recent technological advancements in the growth of bulk single crystal, ternary, III-V alloys strongly indicate the potential for commercial feasibility of these alloy substrates. Commercial availability will permit realization of the concept of substrate engineering. Based on reported developments in the (In,Ga)As and (In,Ga)Sb ternary systems, we propose to develop a materials technology for t ...

At the end of Phase I a software code implementing a prototype version of a system for real-time analysis of electromagnetic wave propagating in space and along the surface of an aircraft will be delivered. The computations will be performed on a virtual aircraft representing an actual aircraft in electronic format. The delivered prototype version will be capable of performing in rea ...

As greater numbers of systems compete for limited telemetry resources, measures must be taken to increase the utilization of the available spectrum. Fortunately, recent advances in communications systems and protocols can provide a dramatic increase in the utilization of allocated radio frequency spectrum. The best solution for the telemetry community requires that several areas of advanced tech ...

The use of advanced composite materials in all applications has increased dramatically, but the methods for managing and processing have remained unchanged for thirty years. Advanced, mulitple sensor technology has been demonstrated to reduce process time and costs. AvPro proposes to develop a single sensor system to provide multiple data inputs. It would be a means to validate models for proce ...