| Parameter | a-Al2O3 |
| A | 1.559 |
| B | 0.0052 |
| C | 0.00004 |
| AK | 0.0013 |
| BK | 0.3 |
| n1064 | 1.56362 |
| n10.6 | 1.55905 |
| k1064E = 1.166 eV | 5.343 ´ 10−4 |
| k10.6E = 0.117 ev | 3.900 ´ 10−4 |