High-directivity radiation based on the leaky mode of spoof surface plasmon polaritons
作者： Jin Jei Wu , Linfang Shen , Da Jun Hou , Yao‐Huang Kao , Chien‐Jang Wu
DOI: 10.1049/IET-MAP.2013.0479
关键词:
摘要: The guiding properties of spoof surface plasmon polaritons (SPPs) in an array hollowed-out metallic blocks standing on a are theoretically investigated this study. For such SPPs, there exists additional mode except for the fundamental and former is closely related to hollowing out metal blocks. dispersion band has negative slope (corresponding group velocity) it intersects light line then enters radiation region as frequency grows, which leads steering pencil-like radiation. transmission SPPs finally verified experimentally.
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