Fig. 6

FW H/Vs of target two-layered media with different impedance ratios (Left: V s2 = 4V s1, Middle: V s2 = 6V s1, Right: V s2 = 8V s1) for three different Q values (Q = 500, orange; Q = 100, black; Q = 50, blue), and SW (red) H/Vs of cap-layered media (V sCap = 2V s2, Depth = 10λ 0)