Award Data

The utility of continuously tracking vehicles in a battlefield has been demonstrated during the Gulf War and other recent conflicts. However, the ability to achieve reliable continuous tracking in many environments will require the use of FOPEN radar andefficient use of sensor resources. In this effort we extend current research to include heterogeneous terrain and apply this model to simulations. ...

A random access, solid-state, optical cross-switch capable of 770 channel discrimination in the telecommunications C-band is designed and proven as an alternative to current thin-film WDM devices and as a mechanically robust alternative tomicroelectromechanical (MEMS) WDM devices. The device may be used in multiplexing (mux), demultiplexing (demux), or complete cross-switch configurations, and is ...

Cermet, in collaboration with researchers at Georgia Institute of Technology, proposes to implement a lattice matched III-Nitride technology using existing substrates. The implementation of a lattice matched substrate promises to produce near dislocationfree III-Nitrides for the first time while the use of an existing substrate technology dramatically lowers development cost and reduces the devel ...

The objective of this proposal is to demonstrate the feasibility of growing centimeter-size aluminum nitride (AlN) crystals by subliming polycrystalline AlN in nitrogen atmosphere, and to demonstrate single crystalline quality meeting or exceeding thestandards of commercially available SiC wafers. The growth process, which utilizes high temperature, subatmospheric pressure and a steep temperature ...

Silicon has long been the semiconductor of choice for high-voltage power electronic applications. Recently, SiC has attracted attention because SiC is projected to have better performance than silicon. [1] SiC power switching devices have yet to becommercialized, largely due to SiC crystal defects, most notably the device-killing micropipe defect, which does not permit high total current parts t ...

Kigre has an idea and evidence for a new family of broadband glasses that break all of Zachariasen's standard accepted rules for glass formation. This family of glasses is based upon the extensive use of multiple glass formers such as SiO2, B2O3, La2O3and P2O5. By employing multiple glass formers in a laser glass, Kigre is able to expand the bandwidth without sacrificing cross section and gain. ...

Kigre's Phase I fiber amplifier development effort demonstrated 10dB of internal gain at 1.54um from 2.2 cm long section of MM-2 erbium ytterbium phosphate fiber amplifier pumped at 980nm. 26dB of gain was also produced from a 8.8com long section of thissame fiber pumped at 1480nm. Mode field image testing of a fiber show this MM-2 fiber to be perfect 1.54um single mode containment match to stan ...

The wide-bandgap semiconductors GaN and SiC hold great promise for high temperature and highpower electronic devices. This is due to the attractive properties these materials possess, such as wide energy bandgaps, high breakdown fields, high thermalconductivities, and high saturated electron velocities. In addition, GaN and SiC have adequate electron mobilities and can readily be doped n and p ty ...