Figure 2
From: Manipulating Acoustic Wavefront by Inhomogeneous Impedance and Steerable Extraordinary Reflection
sinθro, re versus sin θi when k0 = 10 rad/m and ψ(y) = −5 y.
pro and pre emerge simultaneously in (a). In (b), only pre occurs for the same parameters of (a) except A. The purple dot denotes sin θe in Eq. (6).
