0.2 second test for explosive liquids(ge of frequencies from a few gigahertz t...)

Date:10/20/2009

ge of frequencies, from a few gigahertz to a few terahertz. With the incorporation of a nanoscale electronic device, a Josephson junction, the researchers have undertaken practical detection experiments which directly transform the electromagnetic spectrum received by the spectrometer into an electrical signal which warns of suspicious fluids.

As the researchers write, "Our first experiments showed that with simple measurements at four frequencies ranging from microwave to terahertz we are able to perform fast and reliable identification of various widespread liquids, such as water, ethanol, propanol and acetone, placed in a plastic container. We have made and continue to make significant steps towards a practical device."

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Contact: Joseph Winters joseph.winters@iop.org 44-794-632-1473 Institute of Physics Source:Eurekalert

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