Table 1

Comparison with other works.

Absorber Bandwidth (relative) Thickness Polarization
Ref. [9] 0.8–1.28 THz (46.2%) 0.069λ Single
Ref. [20] 7.7–21.7 GHz (95.2%) 0.175λ Single
Ref. [22] 1–2.05 GHz (68.9%) 0.13λ Both
This work 7.95–18.5 GHz (79.8%) 0.066λ Both

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