Superluminal and Negative Group Velocity in the Electromagnetic Wave Propagation

查看全文 作　　者：Huang Zhixun, Lu Guizhen, Guan Jian (Department of Communication Engineering, Beijing Broadcasting Institute, Beijing 100024)

出　　处：《工程科学(英文版)》索引2003年第1卷第2期,共5页

摘　　要：In this paper, a penetrating analysis is first made of the superluminal and negative group velocities that occur in the EM wave propagation. Discussed then are the superluminal and negative group velocities which are in the state of evanescent waves in the waveguide below cutoff(WBCO).Through an experiment in the coaxial photonic crystal a group velocity of 1.5-2.4 times the speed of light are observed in the stop band. 关键词：SUPERLUMINAL GROUP VELOCITY NEGATIVE GROUP VELOCITY coaxial PHOTONIC crystal waveguide below cutoff(WBCO)

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Superluminal and Negative Group Velocity in the Electromagnetic Wave Propagation

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