Table 1 Geometrical and electrical parameters characterizing the dipole antennas at the fundamental resonance for variable number of void loops in the kirigami strips forming the dipole arms.
From: A new class of transformable kirigami metamaterials for reconfigurable electromagnetic systems
Open cell no. | Length, L (mm) | Resonance frequency, fr (MHz) | Electrical length (L/λr) | BW (MHz) | FBW (%) | |||
|---|---|---|---|---|---|---|---|---|
Sim. | Meas. | Sim. | Meas. | Sim. | Meas. | |||
0 | 232 | 520 | 524 | 0.402 | 80 | 108 | 15 | 20.6 |
1 | 248.85 | 485 | n.a. | 0.403 | 70 | n.a. | 14.4 | n.a. |
2 | 265.7 | 458 | 459 | 0.406 | 67 | 94 | 14.5 | 20.4 |
3 | 278.55 | 441 | n.a. | 0.41 | 63 | n.a. | 14.3 | n.a. |
4 | 295.4 | 420 | 416 | 0.414 | 59 | 70 | 14 | 16.8 |
5 | 312.25 | 401 | n.a. | 0.418 | 56 | n.a. | 13.9 | n.a. |
6 | 329 | 382 | 384 | 0.42 | 52 | 63 | 13.6 | 16.4 |
7 | 345.95 | 367 | n.a. | 0.423 | 48 | n.a. | 13.1 | n.a. |