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A new surface wave antenna‐based spoof surface plasmon mechanism
Author(s) -
Shi Haofei,
Wei Xingzhan,
Zhao Zeyu,
Dong Xiaochun,
Lu Yueguang,
Du Chunlei
Publication year - 2010
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.25462
Subject(s) - microwave , antenna (radio) , surface plasmon polariton , surface plasmon , surface wave , optics , grating , plasmon , radiation pattern , surface (topology) , physics , optoelectronics , engineering , telecommunications , geometry , mathematics
In this letter, a surface wave antenna based on the excitation of spoof surface plasmon mode at microwave frequency is proposed and demonstrated experimentally to effectively modulate the far field radiation, by integrating with one‐dimensional subwavelength periodic corrugated grooves. Compared with the traditional surface wave antenna, the far field divergence of this spoof surface plasmon antenna exhibits a remarkable red shift. The numerical simulation and experimental data well accord with the predicted results given by grating scattering theory. Consequently, the surface wave antenna can be achieved with unique function and minimized in size by introducing spoof surface plasmon. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2179–2183, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25462