23 December 2011 Compact wideband filter element-based on complementary split-ring resonators
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A double resonance defected ground structure is proposed as a filter element. The structure involves a transmission line loaded with complementary split ring resonators embedded in a dumbbell shape defected ground structure. By using a parametric study, it is demonstrated that the two resonance frequencies can be independently tuned. Therefore the structure can be used for different applications such as dual bandstop filters and wide bandstop filters.
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Ali K. Horestani, Ali K. Horestani, Zahra Shaterian, Zahra Shaterian, Withawat Withayachumnankul, Withawat Withayachumnankul, Christophe Fumeaux, Christophe Fumeaux, Said Al-Sarawi, Said Al-Sarawi, Derek Abbott, Derek Abbott, } "Compact wideband filter element-based on complementary split-ring resonators", Proc. SPIE 8204, Smart Nano-Micro Materials and Devices, 820431 (23 December 2011); doi: 10.1117/12.902754; https://doi.org/10.1117/12.902754

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