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Not Available We propose to investigate the feasibility of manufacturing a simple waveguide laser that would demonstrate all of the qualities of fiber lasers while utilizing the simple pumping scheme of an side pumped Nd:YAG laser. The Phase I effort will involve modeling of the system and Phase II will be construction of a prototype. We will investigate a wound single mode rare earth doped fiber ...

Not Available NEA Electronics, Inc. (NEA) is a manufacturer of electro-mechanical products, specializing in the development of innovative hold down and release mechanisms for the aerospace industry. NEA has designed and manufactured two prototype release mechanisms with unique capabilities. The Model 9111 rod release mechanism is simple, highly reliable, light weight and cost effective. It is cap ...

Not Available The proposed effort utilizes the experience gained from over 20 years of work performed by the Optical Sciences Company in the area of atmospheric propagation, wavefront sensing and adaptive optics technology to develop new wavefront compensation algorithms that advance the state-of-the-art and provide new improved levels of performance when propagation through the turbulence of int ...

Not Available The utilization of space is increasing as commercial, military/government, research, and academic entities discover new ways to exploit the use of this environment. With the increase in numbers of satellites and debris orbiting Earth, comes the increase in importance of protecting the safety of manned and unmanned space-based assets. This growth rate is expected to increase in the n ...

Not Available Existing approaches to the detection of vehicles from SAR imagery are handicapped by a high false alarm rate, especially when used in high clutter environments such as urban areas and forested regions. In this Phase I proposal. Image Corp, Inc. proposes a system for SAR-based vehicle detection that makes extensive use of contextual information derived from the SAR image itself. Mu ...

Not Available Dynamic Structures and Materials proposes to develop dissipative acoustic arrays for the control of interior noise in launch vehicle payload fairings. The innovation in this work is the use of discrete noise control sources that utilize feedback control to dissipate acoustic energy. Acoustic energy dissipation is a robust method of reducing sound pressure levels in the interior of t ...

Not Available In the course of developing the solar powered Pathfinder and Centurion high altitude long endurance (HALE) uninhabited air vehicles (UAVs), AeroVironment has done extensive investigations into the effects of atmospheric turbulence on this unusual class of aircraft. This investigation found that turbulent loads are the driving factor in the design of these vehicles. In particular, ...

The Defense Modeling and Simulation Office (DMSO) has developed the High Level Architecture (HLA) as one of the principle components of a DoD-wide Common Technical Framework for modeling and simulation (M&S). Unlike previous distributed simulation technologies such as DIS and SIMNET, HLA provides federation developers, via the Object Model Template (OMT), the means to define the structure and for ...

The use of enzyme-linked immunosorbent assay (ELISA) to detect contaminants such as solvents, fuels, and pesticides in soil and water samples is now well established. Although ELISA and related methods can facilitate analysis of samples, several washing and separation steps are involved that require 30 to 120 minutes per sample to reach equilibrium. Recently, near infrared fluorescence immunoassa ...

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