Research Article
Low-Cost Air Gap Metasurface Structure for High Absorption Efficiency Energy Harvesting
Table 1
Optimized dimensions of the two unit cells.
| Parameter | L | s | | | | r | h1 | h2 |
| Single-layer (mm) | 23.6 | 0.4 | 0.5 | 6.5 | 1.8 | 0.3 | 3 | 0 | Dual-layer (mm) | 25.7 | 0.3 | 0.2 | 6.3 | 1.6 | 0.5 | 0.254 | 2.746 |
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