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.


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    Title :

    Noninvasive detection of concealed powders using terahertz wave scattering


    Contributors:
    Sasaki, Y. (author) / Yamashita, M. (author) / Dobroiu, A. (author) / Shibuya, T. (author) / Otani, C. (author) / Kawase, K. (author)


    Publication date :

    2005-01-01


    Size :

    1771333 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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