Research Article

Reduction of FDTD Stair-Casing Error regarding to Metamaterials by Using High-Order Polynomial Transformation Functions

Figure 7

Application to an elliptic coordinate system: (a) the elliptic coordinate, (b) the material parameters obtained with (12), and (c) the μz component obtained with (12) in a stair-cased boundary.
(a)
(b)
(c)