Wentzel-Kramer-Brillouin and finite-difierence time-domain analysis of Terahertz band electromagnetic characteristics of target coated with unmagnetized plasma

查看全文 作　　者：Liu [1,2]Shaobin;Zhou [2]Tao;Liu [2]Meilin;Hong [1]Wei

机构地区：[1]State Key Lab. of Millimeter Waves Southeast Univ., Nanjing 210096, P. R. China;[2]Coll. of Information Science &: Technology, Nanjing Univ. of Aeronautics & Astronautics, Nanjing 210016, P. R. China

出　　处：《Journal of Systems Engineering and Electronics》索引2008年第19卷第1期,共6页

基　　金：the National Natural Science Foundation of China (60771017);the China Postdoctoral ScienceFoundation (20060390272) 摘　　要：We investigate computationally the attenuation and reffection of Terahertz (THz) wave using targets coated with plasmas. The simulators are the Wentzel-Kramer-Brillouin (WKB) method and finite-difierence time-domain (FDTD) method. The relation between the frequency of the incident electromagnetic (EM) wave and the attenuation caused by unmagnitized plasma is analyzed. The results demonstrate that the amount of absorbed power is a decreasing function of the EM wave frequency and the plasma collision frequency. For THz band incident wave, the attenuation that is caused by plasma is small when the plasma has common density and the collision frequency. This conclusion has fine applying foreground for plasma anti stealth. 关键词：频散有限差分时域分析法未磁化等离子体电磁波

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Wentzel-Kramer-Brillouin and finite-difierence time-domain analysis of Terahertz band electromagnetic characteristics of target coated with unmagnetized plasma

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