Fig. 4
From: Tunable magneto-optical Faraday and polar Kerr rotations in a plasma-ferrite metamaterial

First row shows (a) FR angle and (b) corresponding ellipticity versus incident wave frequency, and second row illustrates (c) polar KR angle and (d) corresponding ellipticity versus incident wave frequency for \(n_{e}=10^{10}\) \(\text {cm}^{-3}\) and different values of external magnetic field.