Louisiana Tech University – Page 2

Quantum Dot Enhanced Rugate Filtering and Light Trapping

Shepard S., Copeland J., Louisiana Tech University, US

Rugate filters use an exponential sinusoidal index profile, which is also multiplied by a window function to further reduce side lobes in comparison to other (discrete index) interference filters. These also have negligible harmonics and [...]

Quantum Dot Enhanced Rugate Filtering and Light Trapping

Shepard S., Copeland J., Louisiana Tech University, US

Rugate filters use an exponential sinusoidal index profile, which is also multiplied by a window function to further reduce side lobes in comparison to other (discrete index) interference filters. These also have negligible harmonics and [...]

Nanowire GMR Thin Films for Magnetic Sensors

Cox B., Crews N., Louisiana Tech University, US

The discovery of Giant magnetoresistance (GMR) in 1988 by Albert Fert and Peter Grünberg started a concentrated effort by researchers to comprehend the phenomenon and find suitable applications [1]. We present an elegant technique for [...]

CIGS PV Power Enhancement from Photonic Crystal Fiber Concentrators

Shepard S., Carver G., Louisiana Tech University, US

Two of the most promising means of reducing the cost per kilowatt of photovoltaic (PV) systems are: 1) to reduce the cost – which includes recent progress made in CIGS; and/or 2) to increase the [...]

CIGS PV Power Enhancement from Photonic Crystal Fiber Concentrators

Shepard S., Carver G., Louisiana Tech University, US

Two of the most promising means of reducing the cost per kilowatt of photovoltaic (PV) systems are: 1) to reduce the cost – which includes recent progress made in CIGS; and/or 2) to increase the [...]

Extraction of Damping Coefficients of Comb Drive by Partitioning

Khaliq A., Liu X., Nohria R., Su Y., Varahramyan K., Louisiana Tech University, US

Accurate prediction of the dynamic behavior of comb-driven MEMS device is important to optimize the structure design. Viscous damping in the surrounding air determines the dynamic response of movable structures close to resonance. Viscose damping [...]

Layer-by-layer Nano-assembled Polypyrrole Humidity Sensor

Nohria R., Khillan R.K., Su Y., Lvov Y., Varahramyan K., Louisiana Tech University, US

In recent years the influence of humidity has been given top priority in moisture sensitive areas such as high voltage engineering systems, storage areas, computer rooms etc. Conducting or semiconducting conjugated polymers show significant change [...]

A Mathematical Model for Process Control in Laser Chemical Vapor Deposition

Nassar R., Dai W., Zhang C., Lan H., Maxwell J., Louisiana Tech University, US

Laser chemical vapor deposition is a free form technique capable of producing high aspect ratio microstructures of arbitrary shape. The process does not yet have a high resolution required for microfabrication. For this study, we [...]