Award Data

Accuwave Corporation will study the feasibility of a volume holographic, phase-encoded optical image correlator for credit card and document validation and security application. Fourier transform holograms of a phase-encoded input image are stored using wavelength multiplexed holographic gratings in a photorefractive crystal. High spatial resolution images can be sotred with low crosstalk using ...

We Propose to enhance rotorcraft simulation model to support land and sea-based flight testing and operational analysis. The model enhancement will resolve the long-time perplexing problems related to the fundamental simulation requirement for an accurate prediction of rotorcraft response in full range of flight. The solution proposed is to improve the widely used finite state dynamic wake ...

A new Navy process substitutes low toxicity trivalent chromium for toxic hexavalent chromium in aluminum conversion coatings. Further work is needed to investigate variations on the original formulations, with special consideration to formulas useful with common alloys of aluminum. Both a yellow and a blue-bright conversion film are desirable. Fractional Factorial Experimental Designs will be used ...

Because of the scarce network bandwidth available on the wireless links, data compression plays a critical role in the wireless system design. We propose to evaluate existing public-domain and commercial lossless data compression packages in the context of wireless networking. The specific criteria used include compression efficiency, compression speed, memory usage, and ease of being incorporat ...

The final prototype of the Microcircuit Board Repair apparatus will be capable of laying down or lifting metal strips with micrometer dimensions. Under real time computer control, the translation stages will be fully automated or manually controlled. The end user will monitor the process in real time using a camera attached with the source. Laying down the metal lines will be done using Laser C ...

Quantitative measurement of spray patterns is of fundamental importance in the development of efficient and practical aerospace propulsion and power systems. At present, there is considerable interest in obtaining measurements of fuel and air motions in both fuel droplet and solid particle combustors since the velocity of the fuel relative to the gas strongly influences the local oxygen supply, t ...

An improved computer module for representing rotor flow field effects on flight dynamics response is proposed for development. This model extends finite-state dynamic inflow models to address current limitations in predicting rotorcraft off-axis response to control inputs. The software module also includes features for representing rotor operation in the vortex ring state. The model is novel ...

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Intelligent Fiber Optics Systems (IFOS) proposes development and implementation of novel power-efficient architectures for photonic networks supporting microdevices such as sensors and actuators based on Micro-Electro-Mechanical Systems (MEMS) and Micro-Opto-Mechanical-Systems (MOMS).Identification of Problem/Opportunity: Wavelength Division Multiplexing (WDM) is increasingly used for high-capaci ...

Verification technologies are needed to confirm the identify of perso nnel and to validate the authenticity of manufactured products. Rapid advances in computers, printers, scanners, and copiers have made it increasingly simple to reproduce security emblems traditionally used for verification and authentication. Even holograms, once considered impenetrable, are now routinely counterfeited using t ...