Terahertz radiation of electron beam–cylindrical mimicking surface plasmon wave interaction
Terahertz radiation of electron beam–cylindrical mimicking surface plasmon wave interaction
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DOI：
10.1088/0022-3727/42/4/045211
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发表时间：
2009-02
期刊：
影响因子：
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通讯作者：
Yaxin Zhang;Min Hu;Yan Yang;R. Zhong;Shenggang Liu
中科院分区：
文献类型：
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作者：
Yaxin Zhang;Min Hu;Yan Yang;R. Zhong;Shenggang Liu
模拟表面等离子体激元(MSP)是当今科学技术中最引人注目的研究课题之一，本文提出了一种圆柱形表面等离子体激元，并对其进行了计算机模拟。更重要的是，这种MSP被提出与电子束相互作用产生太赫兹辐射。结果表明，圆柱形MSP具有明显的特性，当电子束在太赫兹区有一个合理的电流密度时，这种圆柱形MSP与电子束相互作用的效率可以达到一个吸引人的值。
Since the mimicking surface plasmon (MSP) has been one of the most attractive research topics in modern science and technology nowadays, a cylindrical MSP is presented and studied theoretically by computer simulation in this paper. More importantly, such an MSP is proposed to interact with an electron beam to generate terahertz radiation. The results given in the paper show that the cylindrical MSP has distinct characteristics and the efficiency of this cylindrical MSP–electron beam interaction can reach an attractive value with a reasonable current density of the electron beam in the THz regime.