Index
of Refraction for Sapphire
Index of refraction is also referred to as refractive index and refraction index.
No value is Ordinary ray in C-axis direction and Ne value is for Extraordinary ray perpendicular to C-axis. Birofrinqence (No-Ne) for sapphire is 0.008.
| Microns | No | Ne |
| 0.26520 | 1.83360 | |
| 0.280 | 1.824 | |
| 0.2967 | 1.815 | |
| 0.313 | 1.809 | |
| 0.337 | 1.80082 | 1.79206 |
| 0.3466 | 1.798 | |
| 0.351 | 1.79693 | 1.78825 |
| 0.355 | 1.79598 | 1.78732 |
| 0.36105 | 1.79450 | |
| 0.365 | 1.793 | |
| 0.4046 | 1.785 | |
| 0.43583 | 1.7812 | |
| 0.442 | 1.78038 | 1.77206 |
| 0.458 | 1.77843 | 1.77015 |
| 0.488 | 1.7753 | 1.76711 |
| 0.515 | 1.77304 | 1.76486 |
| 0.532 | 1.7717 | 1.76355 |
| 0.5460 | 1.770 | |
| 0.57906 | 1.76871 | |
| 0.59 | 1.76804 | 1.75996 |
| 0.633 | 1.7659 | 1.75787 |
| 0.644 | 1.765 | |
| 0.67 | 1.76433 | 1.75632 |
| 0.694 | 1.76341 | 1.75542 |
| 0.7065 | 1.763 | |
| 0.755 | 1.76141 | 1.75346 |
| 0.78 | 1.76068 | 1.75274 |
| 0.8 | 1.76013 | 1.7522 |
| 0.82 | 1.75961 | 1.75168 |
| 0.85212 | 1.75885 | |
| 0.8944 | 1.757 | |
| 0.98 | 1.75607 | 1.74819 |
| 1.0139 | 1.755 | |
| 1.064 | 1.75449 | 1.74663 |
| 1.12866 | 1.75339 | |
| 1.32 | 1.75009 | 1.74227 |
| 1.52952 | 1.74660 | |
| 1.55 | 1.74618 | 1.73838 |
| 1.6932 | 1.743 | |
| 1.81307 | 1.74144 | |
| 2.01 | 1.73748 | 1.72973 |
| 2.24929 | 1.73232 | 1.72432 |
| 2.703 | 1.719 | 1.711 |
| 2.94000 | 1.71317 | |
| 2.941 | 1.712 | 1.704 |
| 3.3026 | 1.702 | |
| 3.333 | 1.701 | 1.693 |
| 3.704 | 1.687 | 1.679 |
| 4 | 1.674 | 1.666 |
| 4.25530 | 1.66371 | |
| 4.348 | 1.658 | 1.65 |
| 4.762 | 1.636 | 1.628 |
| 5 | 1.623 | 1.615 |
| 5.263 | 1.607 | 1.599 |
| 5.57700 | 1.58638 |
Informative Related Sapphire Web Sites:
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