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Calibrated Broadband DC-Coupled High Impedance Pickoff Circuit for Fast Rise, High Voltage Signals A calibrated broadband DC-coupled high impedance pickoff circuit was invented by ORNL researchers. This device permits monitoring of fast rise, high voltage energy circuits and can minimize the parasitic effects that are a persistent challenge in electronics. The device is placed in line with the ca…

Biometric Eye Model and Ray Tracing for Improved Iris Recognition Iris recognition has proven to be an accurate and reliable biometric, especially as a means of verifying personal identity. However, iris recognition is limited by the quality of the images presented to the analysis system. Ideal images are typically direct, on- axis frontal views of the iris. Recognition of nonideal images, such a…

: Fact Sheets
: Imaging, model, Modeling...

ORNL 2014-G01190/tcc Rapid, Reagentless Viral Diagnostic A viral diagnostic assay has been developed whereby DNA-launched viral replicons are delivered into suspect infected cells and tissue, such as isolated monocytes. Within infected cells, viral replication activity is quantitatively indicated via a fluorescent response. The method exploits a unique gene delivery strategy that can be conduct…

: Fact Sheets

Slow Waveguide Structures for Particle Accelerators A waveguide design that can save time and money in the construction and tuning of a particle accelerator was developed by ORNL researchers. Particle accelerators use electromagnetic fields to propel charged particles to high speeds within a well-defined beam. The beam line is used for basic science investigations as well as for applications in b…

: Fact Sheets
: Waveguide, Design, Energy...
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