lead 的光学常数 (n, k) 数据，涵盖 0.45 – 2.20 μm 波长范围。
| 波长 (μm) | n | k |
|---|---|---|
| 0.4500 | 1.44000 | 3.18000 |
| 0.4600 | 1.54000 | 3.20000 |
| 0.4700 | 1.58000 | 3.23000 |
| 0.4800 | 1.62000 | 3.25000 |
| 0.4900 | 1.68000 | 3.28000 |
| 0.5000 | 1.70000 | 3.30000 |
| 0.5100 | 1.74000 | 3.31000 |
| 0.5200 | 1.75000 | 3.34000 |
| 0.5300 | 1.78000 | 3.36000 |
| 0.5400 | 1.81000 | 3.37000 |
| 0.5500 | 1.83000 | 3.40000 |
| 0.5600 | 1.87000 | 3.41000 |
| 0.5700 | 1.87000 | 3.43000 |
| 0.5800 | 1.90000 | 3.43000 |
| 0.5900 | 1.91000 | 3.44000 |
| 0.6000 | 1.91000 | 3.45000 |
| 0.6100 | 1.94000 | 3.46000 |
| 0.6200 | 1.94000 | 3.47000 |
| 0.6300 | 1.95000 | 3.48000 |
| 0.6400 | 1.94000 | 3.49000 |
| 0.6500 | 1.91000 | 3.51000 |
| 0.6600 | 1.89000 | 3.51000 |
| 0.6800 | 1.85000 | 3.53000 |
| 0.7000 | 1.78000 | 3.57000 |
| 0.7200 | 1.71000 | 3.64000 |
| 0.7400 | 1.63000 | 3.73000 |
| 0.7500 | 1.60000 | 3.78000 |
| 0.7600 | 1.57000 | 3.84000 |
| 0.7800 | 1.52000 | 3.96000 |
| 0.8000 | 1.50000 | 4.09000 |
| 0.8200 | 1.47000 | 4.18000 |
| 0.8500 | 1.44000 | 4.35000 |
| 0.8800 | 1.41000 | 4.56000 |
| 0.9000 | 1.40000 | 4.68000 |
| 0.9200 | 1.38000 | 4.80000 |
| 0.9500 | 1.38000 | 4.99000 |
| 0.9800 | 1.38000 | 5.16000 |
| 1.0000 | 1.38000 | 5.32000 |
| 1.0500 | 1.38000 | 5.62000 |
| 1.1000 | 1.40000 | 5.98000 |
| 1.1500 | 1.41000 | 6.31000 |
| 1.2000 | 1.44000 | 6.59000 |
| 1.2500 | 1.48000 | 6.93000 |
| 1.3000 | 1.50000 | 7.23000 |
| 1.3500 | 1.52000 | 7.48000 |
| 1.4000 | 1.58000 | 7.74000 |
| 1.4500 | 1.60000 | 8.01000 |
| 1.5000 | 1.64000 | 8.30000 |
| 1.5500 | 1.69000 | 8.58000 |
| 1.6000 | 1.77000 | 8.90000 |
| 1.7000 | 1.89000 | 9.47000 |
| 1.8000 | 2.05000 | 10.10000 |
| 1.9000 | 2.18000 | 10.70000 |
| 2.0000 | 2.32000 | 11.20000 |
| 2.1000 | 2.47000 | 11.70000 |
| 2.2000 | 2.63000 | 12.20000 |
上表为采样数据（共 56 个数据点），点击"下载完整 CSV"获取全部数据。