Laser bomb detection

Date:27 February 2012 Tags:, ,

The best place to be when searching for concealed bombs is as far away as possible. A system developed by Michigan State University chemists, with support from the US Department of Homeland Security, uses a femtosecond laser that vibrates molecules with ultra-short pulses and identifies them with longer ones. The laser is no more powerful than a presentation pointer, but new studies show that the system could detect multiple chemical signatures in real-world surroundings.

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