We propose a THz-wave device for the nondestructive detection of illicit drugs and hazardous substances hidden in sealed envelopes. A fast process of selecting suspicious envelopes is realized by monitoring the THz waves scattered from the target. Experimental results on this powder detection technique are presented.
Noninvasive detection of concealed powders using terahertz wave scattering
2005-01-01
1771333 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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