platinum 的光学常数 (n, k) 数据，涵盖 0.25 – 2.20 μm 波长范围。
| 波长 (μm) | n | k |
|---|---|---|
| 0.2480 | 1.49790 | 1.68100 |
| 0.2579 | 1.46570 | 1.77200 |
| 0.2682 | 1.44840 | 1.87110 |
| 0.2790 | 1.44520 | 1.97400 |
| 0.2902 | 1.45430 | 2.07760 |
| 0.3018 | 1.47340 | 2.17980 |
| 0.3139 | 1.50030 | 2.27930 |
| 0.3265 | 1.53250 | 2.37580 |
| 0.3396 | 1.56830 | 2.46940 |
| 0.3532 | 1.60610 | 2.56100 |
| 0.3674 | 1.64480 | 2.65130 |
| 0.3821 | 1.68380 | 2.74140 |
| 0.3975 | 1.72250 | 2.83230 |
| 0.4134 | 1.76110 | 2.92530 |
| 0.4300 | 1.79980 | 3.02100 |
| 0.4472 | 1.83900 | 3.12040 |
| 0.4652 | 1.87960 | 3.22400 |
| 0.4838 | 1.92220 | 3.33200 |
| 0.5032 | 1.96760 | 3.44470 |
| 0.5234 | 2.01660 | 3.56180 |
| 0.5444 | 2.06990 | 3.68300 |
| 0.5662 | 2.12810 | 3.80790 |
| 0.5889 | 2.19170 | 3.93580 |
| 0.6125 | 2.26070 | 4.06610 |
| 0.6371 | 2.33540 | 4.19790 |
| 0.6626 | 2.41550 | 4.33050 |
| 0.6892 | 2.50060 | 4.46330 |
| 0.7168 | 2.59030 | 4.59580 |
| 0.7456 | 2.68370 | 4.72760 |
| 0.7755 | 2.78020 | 4.85860 |
| 0.8066 | 2.87890 | 4.98890 |
| 0.8389 | 2.97900 | 5.11910 |
| 0.8726 | 3.08000 | 5.24980 |
| 0.9076 | 3.18140 | 5.38230 |
| 0.9439 | 3.28350 | 5.51780 |
| 0.9818 | 3.38710 | 5.65770 |
| 1.0212 | 3.49340 | 5.80330 |
| 1.0621 | 3.60490 | 5.95540 |
| 1.1047 | 3.72450 | 6.11430 |
| 1.1490 | 3.85600 | 6.27880 |
| 1.1951 | 4.00350 | 6.44600 |
| 1.2430 | 4.17060 | 6.61070 |
| 1.2929 | 4.35950 | 6.76530 |
| 1.3447 | 4.56950 | 6.89980 |
| 1.3986 | 4.79540 | 7.00310 |
| 1.4547 | 5.02640 | 7.06550 |
| 1.5130 | 5.24690 | 7.08100 |
| 1.5737 | 5.43810 | 7.05020 |
| 1.6368 | 5.58200 | 6.98150 |
| 1.7025 | 5.66400 | 6.88990 |
| 1.7707 | 5.67620 | 6.79460 |
| 1.8417 | 5.61760 | 6.71560 |
| 1.9156 | 5.49310 | 6.67140 |
| 1.9924 | 5.31240 | 6.67760 |
| 2.0723 | 5.08800 | 6.74570 |
| 2.1554 | 4.83430 | 6.88300 |
| 2.1982 | 4.70120 | 6.97890 |
上表为采样数据（共 112 个数据点），点击"下载完整 CSV"获取全部数据。