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Refractive index values of bulk optical reference materials used in this study. The water refractive index value is a reference valued used for system calibration. The other material refractive index values are the results of the Fresnel model. Error reported as standard deviation.
| Sample | Critical Angle: Index of Refraction |
SPR: Index of Refraction |
|---|---|---|
| Water | 1.3330 | 1.3330 |
| PBS buffer | 1.3349 ± 0.0001 | 1.3351 ± 0.001 |
| Ethanol | 1.3609 ± 0.0004 | 1.3617 ± 0.001 |
| PDMS | 1.4165 ± 0.0001 | 1.4161 ± 0.001 |
