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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…

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…

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: Waveguide, Design, Energy...

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
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