Review Article
Taming the Electromagnetic Boundaries via Metasurfaces: From Theory and Fabrication to Functional Devices
Table 1
Overview of the bandwidth limit for metasurface-based absorbers.
| Journal and time | Thickness | λ (20 dB) | Ratio (limit: 0.163) |
| IEEE Trans. Antennas Propagat. 2011 [110] | 14.5 mm | 83.4 mm | 0.174 | Opt. Express, 2011 [245] | 4.5 mm | 25.7 mm | 0.175 | Opt. Lett., 2012 [114] | 1.5 μm | 8.72 μm | 0.172 | Opt. Express, 2012 [38] | 0.3 nm | | 0 | Appl. Phys. Lett., 2012 [102] | 5 mm | 13.86 mm | 0.36 | ACS Nano, 2014 [105] | 0.86 μm | 3.57 μm | 0.24 | Phys. Rev. Lett., 2013 [246] | 40 mm | 80.2 mm | 0.498 |
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