Table 1 Performance metrics of the meta-lenses presented in this paper
From: Planar metasurface-based concentrators for solar energy harvest: from theory to engineering
Mat.a) | Type/Pol.b) | W.L.c) (nm) | Eff. (%)d) | N.A. | F.L. (μm) | Diam.e) (μm) | A.R. (Max.) | F.O.V. (Deg.) | Ref. f) | |
|---|---|---|---|---|---|---|---|---|---|---|
Mean | Peak | |||||||||
Al | R/CP | 420–650 | – | 26.31@420 nm | 0.124 | 163 | 41.86 | – | – | [202] |
Au | R/CP | 1200–1680 | ~ 12 | 12.44@1300 nm | 0.268 | 100 | 55.55 | – | – | [201] |
Au | T/CP | 1500–1630 | – | 16.4@1540 nm | 0.23 | 40–41.3 | ~ 25 | – | – | [112] |
Au | T/CP | 676 | – | ~ 10 | 0.62 | 2.5 | 4 | – | – | [98] |
Al,Ag,Au | T/CP | 450,550,650 | – | 5.8–8.7 | – | 1000 | – | – | – | [206] |
HfO2 | T/CP | 325 | – | 56.28 ± 1.37 | 0.6 | 330 | 500 | ~ 7.1 | – | [146] |
AlN | T/CP | 376 | – | 47.1 | – | 6.62 | 4 × 4 | 12 | – | [148] |
Si3N4 | T/CP | 250–400 | – | 77@400 nm | ~ 0.75 | 2.9–5.3 | 10 | ~ 2.5 | – | [188] |
MgO | T/CP | 182 | – | 94 | ~ 0.8 | 7.56 | 20 | 12 | – | [189] |
GaN | T/LP,CP | 1000–1800 | 61 | 83@1800 nm | 0.27 | 34.5 | 20 | ~ 7.3 | – | [178] |
a-Si | T/LP,CP | 1550 | – | ~ 82 | – | 500 | 400 | 4.7 | – | [175] |
c-Si | T/LP | 640 | – | ~ 67 | 0.8 | 0.34 | 64 | – | – | [195] |
TiO2 | T/LP,CP | 405,532,660 | – | 30,70,90 | 0.6 | 200 | 300 | 7.5 | – | [141] |
GaN | T/CP | 430,530,633 | – | 87,91.6,50.6 | 0.164 | 300 | 100 | ~ 3.3 | – | [164] |
GaN | T/CP | 400–660 | 40 | 67@475 nm | 0.106 | 235 | – | 16 | – | [165] |
TiO2 | T/CP | 470–670 | – | ~ 37@500 nm | 0.02 | – | 160 | 12 | – | [152] |
a-Si | T/LP,CP | 1200–1650 | ~ 50 | – | 0.24 | 200 | 100 | – | – | [169] |
TiO2 | T/LP,CP | 640–1200 | ~ 70 | 75@800 nm | 0.12 | ~ 40 | 10 | – | – | [204] |
TiO2 | T/LP,CP | 650–1000 | ~ 88.5 | 90.2@700 nm | 0.1 | ~ 110 | 25 | ~ 37.5 | – | [203] |
a-Si | /LP | 1100–1700 | ~ 50 | – | – | 74.5 | 190 × 100 | 17.5 | 120 | [100] |
PbTe | T/LP | 5200 | – | 32–45 | 0.24 | 2000 | 5200 × 5200 | 1.25 | ~ 170 | [174] |
a-Si | T/LP,CP | 940 | – | 41–88 | 0.2 | 2500 | 6400 × 6400 | 7.5 | ~ 180 | [174] |
a-Si | T/LP | 850 | – | 45–70 | 0.49 | 717 | 800 | – | 60 | [207] |
TiO2 | T/CP | 532 | – | ~ 50 | 0.44 | 342.5 | – | ~ 6.3 | 50 | [153] |
a-Si | T/LP,CP | 740 | – | −5 | 0.71 | 203 | 500 | 3.5 | 160 | [208] |