Broadband Terahertz Analysis of Energetic Materials-Influence of Crystal Structure and Additives

被引:9
作者
Huhn, Anna K. [1 ]
Saenz, Elena [2 ]
de Maagt, Peter [2 ]
Bolivar, Peter Haring [1 ]
机构
[1] Univ Siegen, Inst High Frequency & Quantum Elect, D-57076 Siegen, Germany
[2] European Space Agcy ESA ESTEC, European Space Res & Technol Ctr, NL-2200 AG Noordwijk, Netherlands
关键词
Broadband terahertz (THz) spectroscopy; energetic materials; security application; spectral fingerprints; SECURITY APPLICATIONS; SPECTROSCOPY; EXPLOSIVES; RANGE;
D O I
10.1109/TTHZ.2013.2265602
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A detailed broadband analysis of energetic materials using THz time-domain spectroscopy with a bandwidth from 0.2 to 6.4 THz is presented. Dependencies of the resonance features on different sample parameters are evaluated via spectroscopic investigation of several energetic materials (TNT, C4, RDX, PETN, AN) in transmission and reflection experiments. A strong dependency of the resonance features on the manufacturing process of an explosive is observed especially with TNT. The THz measurements of the TNT samples are compared to powder X-ray diffraction measurements. Furthermore, it is observed that additive compounds with a flat frequency response offset the THz reflection of an explosive, but the recognition capability of a resonance feature is not influenced.
引用
收藏
页码:649 / 655
页数:7
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