Table 8.

Comparison of the proposed absorbers with similar reported works.

Ref.	Materials	λ (nm)	Average absorption	Number of layers	Unit cell size (nm3)	Angular stability*	Polarization stability*
15	Au + GaAs	300–740	90%	2	-×-×160	-	0-90o
12	W + SiO2	390–760	96.43%	3	450 × 450 × 240	0-50o (TE&TM)	0-90o
13	Mn + SiO2	400–800	94%	3	300 × 300 × 190	0-60o (TE) 0-70o (TM)	-
14	Ti + SiO2	400–800	98.11%	3	300 × 300 × 195	0-60o (TE) 0-70o (TM)	-
22	Au + Si	380–760	93.3%	2	240 × 240 × 170	0-50o (TE&TM)	0-90o
7	SiO2 + InAs	300–850	97%	6	100 × 100 × 1600	0-60o (TE&TM)	0-90o
25	Ge + SiO2	450–750	97.4%	5	-	0-50o (TE&TM)	-
44	Ni + SiO2	415–625	95.82%	3	400 × 400 × 150	0-30o (TE) 0-60o (TM)	0-90o
45	W + Al2O3	400–785	96%	3	-×-×165	0-40o (TE) 0-60o (TM)	-
46	Ti3C2Tx+ SiO2 + Au + Glass	400–800	97.85%	4	600 × 600 × 695	0-30o (TE) 0-60o (TM)	-
47	Ni + SiO2	400–4000	95.34%	3	400 × 400 × 310	0-60o (TE&TM)	-
48	W + SiO2 + W	400–1100	98%	2	400 × 400 × 220	0-60o (TE&TM)	0-90o
T.W 1st	SiO2 + InAs	400–800	99.5%	2	400 × 400 × 1262	0-50o (TE&TM)	0-90o
T.W 2nd	SiO2 + InAs	400–800	92.46%	2	400 × 400 × 1212	0-70o (TE&TM)	0-90o

-: Not Reported, *: For absorptions more than 90%, T.W: This Work.