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Resonance wavelength shift versus gas concentration of the proposed sensor design.
| Refractive Index (n) | CO2 Gas Concentration (ppm) | λres (pm) | ∆λres (pm) |
|---|---|---|---|
| 1.55 | 0 | 985,000 | – |
| 1.54 | 215 | 983,600 | 1400 |
| 1.53 | 262 | 982,500 | 2500 |
| 1.52 | 328 | 981,200 | 3800 |
| 1.51 | 366 | 980,000 | 5000 |
| 1.49 | 434 | 977,500 | 7500 |
| 1.48 | 524 | 976,000 | 9000 |
