Table 1.
Reported refractive indices for materials used in these tests for visible wavelengths.
| liquid and material | refractive index |
|---|---|
| acetone | 1.36 |
| isopropyl alcohol | 1.38 |
| dodecane | 1.42 |
| white mineral oil | 1.47 |
| PP | 1.47 |
| PE | 1.51 |
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