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

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">R1 (mm)</td><td class="align_center">R2 (mm)</td><td class="align_center">R3 (mm)</td><td class="align_center">f0 (GHz)</td><td class="align_center">∆x (=∆y)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Cloak</td><td class="align_center">106</td><td class="align_center">212</td><td class="align_center">—</td><td class="align_center">2</td><td class="align_center">λ0/30</td></tr><tr><td class="align_left">Rotator</td><td class="align_center">106</td><td class="align_center">212</td><td class="align_center">—</td><td class="align_center">2</td><td class="align_center">λ0/30</td></tr><tr><td class="align_left">Concentrator</td><td class="align_center">106</td><td class="align_center">212</td><td class="align_center">318</td><td class="align_center">2</td><td class="align_center">λ0/30</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Antennas and Propagation

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Table 3

Table 3: Reduction of FDTD Stair-Casing Error regarding to Metamaterials by Using High-Order Polynomial Transformation Functions 