A miniaturized frequency selective rasorber with high selectivity passband and wideband absorption properties

Open Access

Table 2

Performance comparisons between the designed FSR and some FSRs in references.

References	Transmission band (GHz)/IL (dB)	−10 dB absorption band (GHz)/FBW	Thickness (λ_p ¹	Periodicity (mm)	Form
[28]	6/−0.8	10.6–18/52%	0.074	11 × 11	2D
[29]	1.6/NA²	5.3–14.8/94%	0.024	10 × 10	2D
[30]	0.92/−0.5	3–9/100%	0.03	20 × 20	2D
[31]	4.6/−0.3	10–18/57%	0.08	11 × 11	2D
[32]	2.45/−1.2	7.68–21.7/95.2%	0.107	5 × 5	2D
[33]	4.15/−2.4	4.8–9.3/64%	0.065	NA	3D
[34]	3.4/−1.2	11.1–18/47.4%	0.054	8 × 8	3D
This work	3.08/−0.37	8.04–18.08/77%	0.036	7 × 7	2D

¹ λ_p is free space wavelength at the center frequency of transmission band.

²NA means the data in the paper are not given.

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