FDTD Modeling of a Cloak with a Nondiagonal Permittivity Tensor

Table 1

Simulation parameters for the elliptic-cylindrical cloak.

Incident wavelength 𝜆0	750 nm
Inner short semi-axis 𝑎	500 nm
Outer short semi-axis 𝑏	1000 nm
Axis ratio 𝑘	2
Grid spacing ℎ	10 nm
Computational domain	6 × 6 μm2