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The purpose of this Phase II project is to advance the technology readiness level and provide a proof of concept on key mobile optical wireless technologies licensed exclusively by Optemax, LLC from the Johns Hopkins University Applied Physics Laboratory. Although free space optics (FSO), as a discipline, has been around for 30 years, and many commercial applications were attempted in the late 90 ...

Nondestructive measurement of coating thickness is typically done using acoustic or eddy current techniques, but both methods lack the accuracy needed for control of modern paint applications systems. JSF aircraft coatings are applied robotically and controlling thickness is critical to the JSF mission. A similar problem arises in erosion coating of V-22 rotor blades – the coating application ...

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Fiber optic towed arrays offer the Navy the ability to deploy larger channel count arrays that can have a much wider frequency bandwidth. They also offer a wet end cost reduction and an immunity for many electrical and magnetic noise sources. During Phase I, several electro-optical tow cables were identified that satisfy the E/O signal path, mechanical strength, and optical fiber reliability requi ...

CycloShield is a new transparent armor material with the highest impact strength of any known polymer. Phase I demonstrated that the ballistic properties of CycloShield are significantly better than polycarbonate. A 40+% advantage in ballistic strength at same thickness, and 300% in a thicker bi-laminate will be demonstrated in Phase II. Production scale-up includes 2,000 pounds pelletized mate ...

It has long been known that (aided) target recognition based on imaging sensors is fundamentally limited by the number of pixels on the target imaged. Very roughly, at least 10 pixels are needed for detection, at least 100 are needed for generic classification, and perhaps 1000 are needed for recognition. While the details of this structure depend on specific sensors, targets, and sensing conditio ...

In Phase I we measured the internal AC impedance (magnitude and phase) of a single cell, 1.4 ampere-hour Ni-Cd battery and derived values related to the components of an electrical circuit model. We observed variations in internal resistance and capacitance of the battery that showed strong correlation to State of Charge (SOC) and State of Health (SOC). In Phase II we propose to continue the inves ...