Research Article
Reduction of FDTD Stair-Casing Error regarding to Metamaterials by Using High-Order Polynomial Transformation Functions
Figure 4
Proposed fifth-order transformation function: (a) the cloak, (b) the rotator, and (c) the concentrator. The function had smaller changes near boundaries compared with f3.
| (a) |
| (b) |
| (c) |