4.3 Article

Bandpass filter based on low frequency spoof surface plasmon polaritons

Journal

ELECTRONICS LETTERS
Volume 48, Issue 5, Pages 269-U1564

Publisher

INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el.2011.3693

Keywords

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Funding

  1. National Science Council of ROC [NSC 100-2112-M-216 -002, NSC 100-2221-E-216 -015]
  2. National Natural Science Foundation of China [60971062]

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Based on the mechanism of spoof surface plasmon polaritions (spoof SPPs), a kind of microwave bandpass filter is presented in both theory and experiment, which is realised by a periodic subwavelength metallic Domino array. The transmission bandwidth of spoof SPPs is controllable by designing the geometric parameters of the periodic structure. Simulation and experimental results of the spoof SPPs agree well with each other and verify the feasibility in bandpass filter applications.

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