poly methyl methacrylate 的光学常数 (n, k) 数据，涵盖 0.40 – 2.20 μm 波长范围。
| 波长 (μm) | n | k |
|---|---|---|
| 0.4000 | 1.50818 | 0.00000 |
| 0.4400 | 1.50342 | 0.00000 |
| 0.4800 | 1.49955 | 0.00000 |
| 0.5200 | 1.49639 | 0.00000 |
| 0.5600 | 1.49405 | 0.00000 |
| 0.6000 | 1.49216 | 0.00000 |
| 0.6400 | 1.49055 | 0.00000 |
| 0.6800 | 1.48941 | 0.00000 |
| 0.7200 | 1.48830 | 0.00000 |
| 0.7600 | 1.48675 | 0.00000 |
| 0.8000 | 1.48555 | 0.00000 |
| 0.8400 | 1.48539 | 0.00000 |
| 0.8800 | 1.48508 | 0.00000 |
| 0.9200 | 1.48449 | 0.00000 |
| 0.9600 | 1.48409 | 0.00000 |
| 1.0000 | 1.48358 | 0.00000 |
| 1.0400 | 1.48059 | 0.00000 |
| 1.0800 | 1.48092 | 0.00000 |
| 1.1200 | 1.48047 | 0.00000 |
| 1.1600 | 1.47943 | 0.00001 |
| 1.2000 | 1.47939 | 0.00000 |
| 1.2400 | 1.47850 | 0.00000 |
| 1.2800 | 1.47872 | 0.00000 |
| 1.3200 | 1.47829 | 0.00000 |
| 1.3600 | 1.47763 | 0.00001 |
| 1.4000 | 1.47705 | 0.00001 |
| 1.4400 | 1.47706 | 0.00001 |
| 1.4800 | 1.47798 | 0.00000 |
| 1.5200 | 1.47612 | 0.00000 |
| 1.5600 | 1.47674 | 0.00000 |
| 1.6000 | 1.47591 | 0.00001 |
| 1.6400 | 1.47573 | 0.00001 |
| 1.6800 | 1.47563 | 0.00008 |
| 1.7200 | 1.47524 | 0.00006 |
| 1.7600 | 1.47435 | 0.00003 |
| 1.8000 | 1.47460 | 0.00003 |
| 1.8400 | 1.47462 | 0.00002 |
| 1.8800 | 1.47491 | 0.00003 |
| 1.9200 | 1.47462 | 0.00005 |
| 1.9600 | 1.47418 | 0.00003 |
| 2.0000 | 1.47395 | 0.00002 |
| 2.0381 | 1.46100 | 0.00003 |
| 2.0773 | 1.46532 | 0.00003 |
| 2.1180 | 1.47088 | 0.00005 |
| 2.1568 | 1.47111 | 0.00005 |
| 2.1970 | 1.47048 | 0.00008 |
上表为采样数据（共 181 个数据点），点击"下载完整 CSV"获取全部数据。