Studies on 2,4-DNT Mixtures Using Reflection Terahertz Time Domain Spectroscopy for Explosives Detection

ZHOU Zhen; CHEN An-Tao; FENG Li-Shuang

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Studies on 2,4-DNT Mixtures Using Reflection Terahertz Time Domain Spectroscopy for Explosives Detection

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Absorption spectra (0.2-1.8 THz) of the mixtures of explosive 2,4-DNT and polyethylene(PE) at different ratios are obtained using reflection terahertz time domain spectroscopy (THz-TDS).The pronounced absorption peak of 2,4-DNT at 1.08 THz is always observed for the mixtures with 2,4-DNT ratios above 20%.Experimental results demonstrate that more applicable and realistic THz-TDS in reflection geometry can be used to distinguish explosive mixed with other material having no THz fingerprints,and has a high potential in the detection of explosives.

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《中国物理快报：英文版》 |2009年第3期|260-262|共3页
作者
ZHOU Zhen; CHEN An-Tao; FENG Li-Shuang;
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作者单位

Applied Physics Laboratory,University of Washington,Seattle,WA,98015,USA;

School of Instrument Science and Opto-electronics Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083;

Applied Physics Laboratory,University of Washington,Seattle,WA,98015,USA;

School of Instrument Science and Opto-electronics Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083;

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中图分类物理学;
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Studies on 2,4-DNT Mixtures Using Reflection Terahertz Time Domain Spectroscopy for Explosives Detection

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