536209.fig.001a
(a)
536209.fig.001b
(b)
Figure 1: Elliptic-cylindrical cloak. (a) Cartesian coordinates: 𝑎 , 𝑏 are inner and outer axes; 𝑘 𝑎 , 𝑘 𝑏 are the perpendicular axes. (b) Transformed coordinates.