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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Fused silica and fused quartz substrates and wafers
Updated: 19 October 2010
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