Index of Refraction Material | Index | | Vacuum | 1.00000 | Air at STP | 1.00029 | Ice | 1.31 | Water at 20 C | 1.33 | Acetone | 1.36 | Ethyl alcohol | 1.36 | Sugar solution(30%) | 1.38 | Fluorite | 1.433 | Fused quartz | 1.46 | Glycerine | 1.473 | Sugar solution (80%) | 1.49 | Typical crown glass | 1.52 | Crown glasses | 1.52-1.62 | Spectacle crown, C-1 | 1.523 | Sodium chloride | 1.54 | Polystyrene | 1.55-1.59 | Carbon disulfide | 1.63 | Flint glasses | 1.57-1.75 | Heavy flint glass | 1.65 | Extra dense flint, EDF-3 | 1.7200 | Methylene iodide | 1.74 | Sapphire | 1.77 | Rare earth flint | 1.7-1.84 | Lanthanum flint | 1.82-1.98 | Arsenic trisulfide glass | 2.04 | Diamond | 2.417 |
| Index
Tables |