Abstract-The paper proposes a method to characterize the bend discontinuity for plasmonic and spoof plasmonic waveguides in terms of scattering parameters. By means of this method, the waveguide is modelled by a two-port network and its scattering parameters are extracted. The parameters for the Lshaped sharp curved bends at different frequencies and under different bending angles are determined.Index Terms-plasmonic waveguide, bend discontinuity, generalized multipole technique.
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