Table 7 Tolerance results of the proposed octa-square split-ring biosensor under ± 2 nm fabrication variations.

From: Octa- square split ring-shaped supercell-based plasmonic metamaterials for enhanced dual-spectral detection of cancer biomarkers

Fabrication Errors

Mode-1

Mode-2

Sensivity

(nm/RIU)

FOM

(RIU−1)

Q

LOD

(RIU)

Sensivity

(nm/RIU)

FOM

(RIU−1)

Q

LOD

(RIU)

Optimal

604

14.72

32.22

0.0034

1097.1

15.64

27.5

0.0032

−2 nm

598.87

14.6

32.12

0.0034

1016

14.96

27.7

0.0033

+ 2 nm

600

14.52

32.92

0.0034

1045

11.75

22.86

0.0042

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