科研之友
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摘要
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.
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