Ref. | Structural Model | Analyte RI | Wave. Sens. (nm/RIU) | Wave. Res. (RIU) | Amp. Sens. (RIU−1) |
[4] | Silver with Graphene layer | 1.33 - 1.37 | N/A | N/A | 860 |
[25] | Copper with Graphene layer | 1.33 - 1.37 | 2000 | 5 × 10−5 | 140 |
[28] | Spiral PCF sensor | 1.33 - 1.38 | 4300 | 2.17 × 10−5 | 420.4 |
[16] | Dual D shape symmetrical | 1.380 - 1.420 | 4875 | 2.50 × 10−5 | 513 |
[5] | Gold-coated | 1.33 - 1.37 | 4000 | 2.5 × 10−5 | 320 |
[27] | Niobium on Al2O3 | 1.36-1.40 | 8000 | 1.25 × 10−5 | 1560 |
[26] | D-shaped sensor gold coated | 1.33 - 1.38 | 10,493 | 9.53 × 10−6 | N/A |
Proposed | Slotted structured gold coated | 1.30 - 1.44 | 11,000 | 9.09 × 10−6 | 325.34 |