Fig. 7: The near-field measured results of electric field distributions.
From: 2nd-Order Debye relaxation in electromagnetic metasurfaces for wideband dispersion engineering

a The prototypes and measured setup. b The measured result of electric field intensity distributions (|E|||2 = |Ex|2 + |Ey|2) under RCP wave illumination at y-o-z plane: (i) 8.0 GHz, (ii) 9.0 GHz, (iii) 10.0 GHz, (iv) 11.0 GHz, (v) 12.0 GHz