Table 2 Fitting coefficients for different metasurface designs based on geometrical variations.
From: Computational design and geometry-driven modeling of TiN-based plasmonic metasurface absorbers
Metasurface design | Fitting coefficient | Value |
|---|---|---|
Hollow square (change in height) | a1 | − 0.0017 |
b1 | 7.39304 × 10−6 | |
c1 | − 3.89226 × 10−21 | |
d1 | 1.01355 | |
Hollow cylinder (change in height) | a2 | 0.00764 |
b2 | − 7.65601 × 10−5 | |
c2 | 2.36081 × 10−7 | |
d2 | 0.63562 | |
Hollow cylinder (change in upper radius) | a3 | 0.00115 |
b3 | 6.325 × 10−8 | |
c3 | − 7.61625 × 10−8 | |
d3 | 0.88772 | |
Hollow cylinder (change in upper radius) | a4 | 0.03826 |
b4 | − 5.34123 × 10−4 | |
c4 | 2.45054 × 10−6 | |
d4 | − 0.0064 |
