Table 1 Compared absorption performance of the proposed absorber with other broadband absorbers.
Ref. | Bandwidth (GHz) | Relative Bandwidth (%) | Independent incident angle (degree) | Thickness | |
|---|---|---|---|---|---|
TE | TM | ||||
10.45–17.64 | 51.19 | 40 (above 70%) | 40 (above 70%) | 0.071λ | |
20.59–43.73 | 71.95 | 15 (above 80%) | 15 (above 80%) | 0.1λ | |
7.85–12.25 | 42 | 15 (above 80%) | 15 (above 80%) | 0.067λ | |
7.93–17.18 | 73.68 | 20 (above 90%) | 20 (above 90%) | 0.194λ | |
7.37–13.76 | 60.48 | 45 (above 80%) | 45 (above 80%) | 0.095λ | |
Proposed structure | 4.0–8.0 | 66.67 | 40 (above 80%) | 40 (above 80%) | 0.085λ |
