The precision with which model attitude and deflection are measured in a wind tunnel is important for determining such quantities as drag coefficient, lift coefficient, moment coefficient and stability derivatives. The assumption that the wind tunnel model is a rigid body, which possesses no extra… More

In Phase I we will develop a lab-scale prototype system of digital/analogue 3-d static as well as dynamic single droplet holography. We will also develop algorithms to visualize and determine the particle size, shape, and velocity of a droplet in a lab setup/gun tunnel. We will demonstrate the… More

We provide a novel approach to realizing negative index lenses and lenslet arrays at optical frequencies using a naturally occurring material such as cis-vitamin A, a constituent in some commercially available cod-liver oils. This form of vitamin A has been recently found in the eyes of lobsters… More

The overall objective of the proposed work is to devise a high-speed non-intrusive technique to visualize droplets in laboratory/test site environments in static and dynamic modes. The primary objective of Phase I was to develop a laboratory-scale prototype system of digital/analog 3-D static as… More

The novelty of our proposed research is that we plan to use nano-dispersed liquid crystals (NDLCs) for broadband tunable negative-zero-positive index materials to control reflection and transmission of light and capable of imaging beyond the diffractive limit of the visible spectrum. The possibility… More

Weather conditions that may affect the design of missile radomes, windows and leading edges include the presence of rain, snow/sleet in the atmosphere and sand during missile flight trajectory. The Tri-Service Agencies Weather Encounter Advisory Group led by AMRDEC is organizing tests to study the… More

DMS Technology in association with the researchers at the University of Alabama in Huntsville will develop a validated software package that can be used as a system requirement estimation tool to aid the aviation and missile development community in establishing real-world probabilities of encounter… More

We propose to follow our successul Phase I development of dynamic holographic interferometry methods with work extending both DIGHI and RADHI approaches to accurately image surfaces traveling up to Mach 5. We will develop a measurement device that will be used to record high-speed holographic images… More