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Electromagnetic (EM) wave tunneling through an epsilon-negative (ENG) waveguide has been realized when it paired with mu-negative (MNG) waveguide. The ENG waveguide is imitated by a hollow metallic waveguide which operating below cutoff frequency. The MNG waveguide is implemented by standard waveguide filled with square split resonate rings (SSRRs). The dimensions of the MNG waveguide differ from...
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