Figure 7
From: Radiation loss of planar surface plasmon polaritons transmission lines at microwave frequencies

(a) Measurement environment in an anechoic chamber. (b) Normalized radiation patterns obtained by three different methods.
From: Radiation loss of planar surface plasmon polaritons transmission lines at microwave frequencies

(a) Measurement environment in an anechoic chamber. (b) Normalized radiation patterns obtained by three different methods.