copper 的光学常数 (n, k) 数据，涵盖 0.21 – 2.16 μm 波长范围。
| 波长 (μm) | n | k |
|---|---|---|
| 0.2066 | 1.30310 | 1.68260 |
| 0.2153 | 1.34350 | 1.71600 |
| 0.2244 | 1.39160 | 1.73980 |
| 0.2338 | 1.44140 | 1.75050 |
| 0.2436 | 1.48610 | 1.74740 |
| 0.2539 | 1.51940 | 1.73210 |
| 0.2645 | 1.53550 | 1.70830 |
| 0.2756 | 1.52970 | 1.68180 |
| 0.2872 | 1.49870 | 1.66070 |
| 0.2993 | 1.44250 | 1.65570 |
| 0.3118 | 1.36680 | 1.67960 |
| 0.3249 | 1.28620 | 1.74220 |
| 0.3386 | 1.22200 | 1.84270 |
| 0.3528 | 1.19180 | 1.96580 |
| 0.3676 | 1.20010 | 2.08810 |
| 0.3831 | 1.23730 | 2.18910 |
| 0.3992 | 1.28560 | 2.25750 |
| 0.4159 | 1.32530 | 2.29160 |
| 0.4334 | 1.33890 | 2.29840 |
| 0.4516 | 1.31320 | 2.29130 |
| 0.4706 | 1.24130 | 2.28800 |
| 0.4904 | 1.12400 | 2.30880 |
| 0.5109 | 0.97185 | 2.37250 |
| 0.5324 | 0.80438 | 2.49110 |
| 0.5548 | 0.64392 | 2.66390 |
| 0.5781 | 0.50663 | 2.87930 |
| 0.6024 | 0.39868 | 3.12270 |
| 0.6277 | 0.31902 | 3.38210 |
| 0.6540 | 0.26347 | 3.65000 |
| 0.6815 | 0.22732 | 3.92210 |
| 0.7101 | 0.20645 | 4.19670 |
| 0.7400 | 0.19753 | 4.47320 |
| 0.7711 | 0.19806 | 4.75160 |
| 0.8034 | 0.20610 | 5.03250 |
| 0.8372 | 0.22024 | 5.31640 |
| 0.8724 | 0.23937 | 5.60400 |
| 0.9090 | 0.26262 | 5.89600 |
| 0.9472 | 0.28931 | 6.19310 |
| 0.9870 | 0.31885 | 6.49590 |
| 1.0284 | 0.35076 | 6.80520 |
| 1.0716 | 0.38461 | 7.12150 |
| 1.1167 | 0.42004 | 7.44560 |
| 1.1636 | 0.45673 | 7.77820 |
| 1.2124 | 0.49440 | 8.12020 |
| 1.2634 | 0.53284 | 8.47220 |
| 1.3164 | 0.57187 | 8.83500 |
| 1.3717 | 0.61134 | 9.20950 |
| 1.4294 | 0.65116 | 9.59660 |
| 1.4894 | 0.69127 | 9.99700 |
| 1.5520 | 0.73165 | 10.41200 |
| 1.6172 | 0.77232 | 10.84200 |
| 1.6851 | 0.81332 | 11.28800 |
| 1.7559 | 0.85474 | 11.75100 |
| 1.8297 | 0.89667 | 12.23200 |
| 1.9065 | 0.93926 | 12.73200 |
| 1.9866 | 0.98266 | 13.25200 |
| 2.0701 | 1.02710 | 13.79300 |
| 2.1570 | 1.07260 | 14.35600 |
上表为采样数据（共 115 个数据点），点击"下载完整 CSV"获取全部数据。