Award Data

This Small Business Innovation Research Phase I program will determine the practicality of increasing the second harmonic (SH) output of frequency doubling devices by at least 5 times current gutput powers. Altos has demonstrated in preliminary experiments have a 2 times to 3 times increase in SH output by creating thermal gradients across the waveguide structures used to frequency double the lase ...

The nuclear weapons community has traditionally focused on the next generation or level of weapon capability complimented by gathering and analysis of actual test data. Now, with the cessation of actual weapons testing, there is an increased need to use the actual test data in modeling techniques to better understand the phenomenology and potential effects of nuclear weapons. The first phase of ...

Turbulence of gas flows by its very nature is one of the most difficult things to model and measure. We propose to develop a new way of measuring the turbulence and to compare these measurements to predictions using the k-epsilon model. Typical measurements, in the past, use smoke, Schlierin or shadow graph techniques to visually infer turbulence characteristics. These features are either motio ...

This Small Business Innovation Research Project will determine the advantages and disad-vantages of fibrous/polymeric composite materials over traditional material (steel) for retrofitting key civilian facilities against terrorist bomb attack. Retrofit techniques we will evaluate are: strengthening fully and partially exposed columns with composite wraps or shells, masonry walls with bonded comp ...

AstroPower proposes to develop a new ultra-thin gallium arsenide solar cell for space applications, that will result in significantly higher performance compared to conventional gallium arsenide and silicon solar cells. This design incorporates a "floating" junction on the front of the ultra-thin solar cell and a collecting junction at the back of the device. This design will significantly decreas ...

We propose exploratory development of new epitaxial growth technologies for low-defect GiN epitaxial structures and surrogate substrates. A significant feature of our approach is epitaxial latval overgrowth for "defect filtering." We present arguments that such epitaxial lateral overgrowth will lead to GaN material of unprecedented quality with respect to defects, stress, and purity. In the Phase ...

¿Clicking in the Classroom with Bill the Magic Kat¿ ¿ integrates an interactive multimedia technology with innovative instructional techniques to create learning experiences for youth with varying capabilities and diverse cultural experiences. Youth, teachers, and Netcitizens come together with iC to explore students' emotional and intellectual needs. Our mentoring program is created for yout ...

Recent progress in self-mixing Doppler sensors have proven that measurement performance similar to that obtained with continuous-wave coherent laser radar is feasible, but with at least an order of magnitude less complexity and cost. We believe that extremely simple hardware signal processors can also be built as single chips, or at most a few chips. This points to the possibility of developing hi ...

High-density reconfigurable optical routing interconnect is introduced in this SBIR program for optical signal processing. This structure is based on three key features: 1) Polarization manipulation using 2-D spatial light modulators; 2) polarization complementary geometry; and 3) the throw-away undesired optical energies design. The polarization manipulation provides the basis for "no-moving" par ...

Materials Research Group, Inc. (MRG) proposes the process development of low-temperature fabrication processes for thin film silicon carbide (SiC) infrared (IR) emitter on flexible substrates for thermophotovoltaic (TPV) applications. Optimizing the emitter is critical to an effective TPV system. The outstanding thermal and chemical stability of SiC enable it to operate at high temperatures up to ...