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- D. Li, K. Imasaki
ILT, Suita, Osaka, Japan
- M.R. Asakawa
Kansai University, Osaka, Japan
- M. Hangyo, K. Takano
ILE Osaka, Suita, Japan
- S. Miyamoto
LASTI, Hyogo, Japan
- Y. Tsunawaki
OSU, Daito, Osaka, Japan
- Z. Yang
UESTC, Chengdu, Sichuan, People's Republic of China
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Smith-Purcell radiation from an electric line charge that moves, at constant speed, parallel to a grating made of metamaterial with negative index is analyzed. Through theoretical analysis and computations, we show that the Smith-Purcell radiation is stronger from a grating of negative-index material, than positive-index material and perfect conductor. Also, we found the radiation strongly depends on the values of permeability and permittivity.
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