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爆炸物太赫兹谱的研究 被引量:2

Terahertz Spectroscopic Investigations of Explosives
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摘要 对单质炸药环RDX以及多种以RDX为主体成分的混合炸药进行了不同形态样品的太赫兹(THz)谱的实验测量.利用太赫兹时域光谱技术(THz-TDS)给出了在0.2-2.5THz范围内炸药样品在不同形态下的吸收系数.结果发现,单质炸药RDX,以及多种以RDX为主体成分的混合炸药具有相同的特征吸收峰;聚乙烯没有特征吸收峰;炸药粉末状样品对THz的吸收相对于片状的样品来说较强.实验结果显示,利用THz-TDS技术可以对单质炸药以及以其为主体成分的混合炸药进行检测和识别. Experimental measurement and theoretical analysis of THz spectrum for pure material and some mixed explosive samples are introduced. The absorption coefficient of the samples are measured in the region of 0.2-2.5 terahertz by time-domain speetroscopy(THz-TDS). The absorption spectra are obtained correspondingly. The obtained results indicate the THz-TDS technology can identify the different explosives and roughly analyse the main ingredients of the mixed samples.
出处 《山西大同大学学报(自然科学版)》 2009年第1期25-27,30,共4页 Journal of Shanxi Datong University(Natural Science Edition)
关键词 太赫兹 爆炸物 特征谱 THz explosive characteristic spectra
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参考文献8

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同被引文献32

  • 1石小溪,赵国忠.爆炸性物质的太赫兹(THz)光谱分析[J].现代科学仪器,2006,23(2):48-50. 被引量:13
  • 2王迎新,陈志强,赵自然,张岩,张丽.基于太赫兹时域谱分析的爆炸物检测方法研究[J].光学技术,2007,33(4):587-590. 被引量:11
  • 3Yunqing Chen, Haibo Liu, X.-C. Zhang. Experiment and density function theory study on THz spectra of 4-NT and 2, 6 DN[J]. International J. High Speed Electronic and System, 2007, 17(2): 283-291.
  • 4Hua Zhong, Albert Redo-Sanchez, Xi-Cheng Zhang. Standoff sensing and imaging of explosive related chemical and bio-cbemical materials using THz-TDS[J]. International J. High Speed Electronic and System, 2007, 17(2) : 239-249.
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  • 7Alexander Sinyukov, Ivan Zorych, Zoi-Heleni Michalopoulou et al.. Detection of explosives by Terahertz synthetic aperture imaging- focusing and spectral classification[J]. C. R. Physique, 2008, 9(2): 248-261.
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  • 9Michael J. Fitch, Megan R. Leahy-Hoppa, Edward W. Ott et al.. Molecular absorption cross section and absolute absorptivity in the THz frequency range for the explosives TNT, RDX, HMX, and PETN[J]. Chem. Phys. Lett. , 2007, 443:284-288.
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