Award Data

Screening is a repetitive and often monotonous task, involving long periods of vigilance despite low occurrences of threat. Because of the nature of this task and the high consequence if a threat is missed, a screener`s vigilance and avoidance of operation during fatigue are critical to their job effectiveness. This proposal describes an integrated solution to monitoring vigilance levels in airpor ...

The Department of Homeland Security's charter has a fundamental requirement to collaborate with other government agencies. Secure collaboration on this scale requires strong identity management which can "vouch for" DHS personnel working with other agencies, and makes it possible to provide DHS resources to individuals in other agencies whose work requires it. We propose the development of a reu ...

With the range and variety of radiation detectors that exist and the continuing threat of a radiological disaster in the future, the need for training of first responders and personnel in the front lines of interdiction is extraordinary and daunting. It is daunting because of the number of people across the nation that must be trained initially and who must continually maintain their training to b ...

This SBIR Phase I will model and physically demonstrate wearable, small factor, and lightweight thermoelectric generator prototypes powered by human body heat. The project will make use of Perpetua`s novel Flexible Thermoelectric Film technology to yield higher voltages and power from small active areas. End devices will be in wearable form factors, including a flexible button array that can be in ...

An existing low-cost FPGA-based processing platform will be demonstrated with fiber-coupling to single-photon detectors, to perform photon-arrival time stamping with

A stable, well characterized InGaAs materials growth and photodetector fabrication process will be used to fabricate matched photodiodes optimized for balanced homodyne detection. The 1-mm-diameter p-i-n photodetectors will be manufactured back-illuminated with a 5-micron absorber, allowing residual light to reflect off the front-side metal to make a double pass through the active layer. Ultra-hig ...

Voxtel has demonstrated efficient high-speed photon counting with thresholded linear-mode avalanche photodiode (APD) receivers using multi-gain-stage InGaAs/InAIAs APDs. In contrast to Geiger APDs, thresholded photon-counting linear APD receivers are thought not to suffer afterpulsing, and can support maximum count rates (MCR) up to 2 or 3 orders of magnitude faster than Geiger APDs. However, the ...

The objective of this proposal is to demonstrate the feasibility of developing flex hoses for hydraulic and other piping system interfaces that can withstand high pressure environments, hydrodynamic, and other forces unique to deep submergence system operating environments. This hose and connecter system coined FlexiHOSE© proposed by MEI-Charlton, Inc. (MEIC) will meet the need of operating under ...

Oceanit proposes to develop a low cost, reliable, wireless mesh networking system that will enable remote monitoring and tracking of sensors on emergency responders in hostile building environments. The heart of the system will use a commercial-off-the-shelf (COTS) wireless mesh networking IC platform for low-power and low-cost communications. By using a wireless mesh network, low-power wireless t ...

Voxtel proposes to develop fiber-coupled near-infrared avalanche photodiode (APD) receivers with photon detection efficiency (PDE) and dark count rate (DCR) with more than two orders of magnitude faster maximum count rate (MCR) than Geiger-mode APDs, which are constrained by a fundamental tradeoff between DCR and MCR: if the APD is cooled to reduce DCR, then its dead time must increase to avoid af ...