NAS-21 的光学常数 (n, k) 数据，涵盖 0.44 – 1.05 μm 波长范围。
| 波长 (μm) | n | k |
|---|---|---|
| 0.4368 | 1.59331 | 0.00000 |
| 0.4491 | 1.59056 | 0.00000 |
| 0.4614 | 1.58805 | 0.00000 |
| 0.4737 | 1.58575 | 0.00000 |
| 0.4860 | 1.58364 | 0.00000 |
| 0.4983 | 1.58170 | 0.00000 |
| 0.5106 | 1.57991 | 0.00000 |
| 0.5229 | 1.57825 | 0.00000 |
| 0.5352 | 1.57672 | 0.00000 |
| 0.5475 | 1.57529 | 0.00000 |
| 0.5598 | 1.57397 | 0.00000 |
| 0.5721 | 1.57273 | 0.00000 |
| 0.5844 | 1.57158 | 0.00000 |
| 0.5968 | 1.57050 | 0.00000 |
| 0.6091 | 1.56950 | 0.00000 |
| 0.6214 | 1.56855 | 0.00000 |
| 0.6337 | 1.56766 | 0.00000 |
| 0.6460 | 1.56683 | 0.00000 |
| 0.6583 | 1.56604 | 0.00000 |
| 0.6706 | 1.56530 | 0.00000 |
| 0.6829 | 1.56460 | 0.00000 |
| 0.6952 | 1.56394 | 0.00000 |
| 0.7075 | 1.56331 | 0.00000 |
| 0.7198 | 1.56272 | 0.00000 |
| 0.7321 | 1.56216 | 0.00000 |
| 0.7444 | 1.56162 | 0.00000 |
| 0.7567 | 1.56112 | 0.00000 |
| 0.7690 | 1.56063 | 0.00000 |
| 0.7813 | 1.56018 | 0.00000 |
| 0.7936 | 1.55974 | 0.00000 |
| 0.8059 | 1.55932 | 0.00000 |
| 0.8182 | 1.55893 | 0.00000 |
| 0.8305 | 1.55855 | 0.00000 |
| 0.8428 | 1.55819 | 0.00000 |
| 0.8551 | 1.55784 | 0.00000 |
| 0.8674 | 1.55751 | 0.00000 |
| 0.8797 | 1.55720 | 0.00000 |
| 0.8920 | 1.55689 | 0.00000 |
| 0.9044 | 1.55660 | 0.00000 |
| 0.9167 | 1.55632 | 0.00000 |
| 0.9290 | 1.55606 | 0.00000 |
| 0.9413 | 1.55580 | 0.00000 |
| 0.9536 | 1.55555 | 0.00000 |
| 0.9659 | 1.55532 | 0.00000 |
| 0.9782 | 1.55509 | 0.00000 |
| 0.9905 | 1.55487 | 0.00000 |
| 1.0028 | 1.55466 | 0.00000 |
| 1.0151 | 1.55445 | 0.00000 |
| 1.0274 | 1.55426 | 0.00000 |
| 1.0397 | 1.55407 | 0.00000 |
| 1.0520 | 1.55389 | 0.00000 |
上表为采样数据（共 101 个数据点），点击"下载完整 CSV"获取全部数据。