Phase Reversal Technique Applied to Fishnet Metalenses

Table 1

Results of the focusing properties of the metalenses with reference phase and phase reversal. The experimental and numerical values are given at frequencies of 55.5 GHz and 55 GHz, respectively.

Sim	Exp	Sim	Exp
FL	1.87 λ0	1.94 λ0	1.79 λ0	1.75 λ0
FWHMx	0.55 λ0	0.555 λ0	0.54 λ0	0.55 λ0
DF	0.93 λ0	0.925 λ0	0.94 λ0	0.97 λ0
Enh	5.7 dB	4.5 dB	8.2 dB	6.5 dB