Tunability of Triangular SRR and Wire Strip (TSRR-WS) Metamaterial at THz

Table 2

Microwave permittivity and permeability characteristics of homogeneous metamaterials.

𝜀>0,𝜇>0	𝜀<0,𝜇>0	𝜀>0,𝜇<0	𝜀<0,𝜇<0
Forward wave propagation	(i) Metal-like characteristics at optical frequencies; (ii) Evanescent waves	(i) Ferrimagnetic material characteristics; (ii) Evanescent waves	(i) Left-handed medium; (ii) Backward-wave propagation; (iii) Re(𝑛) < 0