Optical constants (n, k) of silver, covering 0.25 – 2.20 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.2480 | 0.84863 | 1.19200 |
| 0.2579 | 0.79699 | 1.28440 |
| 0.2682 | 0.87536 | 1.52460 |
| 0.2790 | 1.23510 | 1.61250 |
| 0.2902 | 1.54240 | 1.30280 |
| 0.3018 | 1.45940 | 0.83581 |
| 0.3139 | 1.03610 | 0.56621 |
| 0.3265 | 0.52213 | 0.67421 |
| 0.3396 | 0.27960 | 1.01420 |
| 0.3532 | 0.20172 | 1.28600 |
| 0.3674 | 0.16741 | 1.50590 |
| 0.3821 | 0.15021 | 1.69790 |
| 0.3975 | 0.14141 | 1.87360 |
| 0.4134 | 0.13716 | 2.03940 |
| 0.4300 | 0.13550 | 2.19950 |
| 0.4472 | 0.13537 | 2.35640 |
| 0.4652 | 0.13621 | 2.51220 |
| 0.4838 | 0.13767 | 2.66820 |
| 0.5032 | 0.13958 | 2.82540 |
| 0.5234 | 0.14184 | 2.98480 |
| 0.5444 | 0.14440 | 3.14710 |
| 0.5662 | 0.14723 | 3.31280 |
| 0.5889 | 0.15034 | 3.48250 |
| 0.6125 | 0.15373 | 3.65670 |
| 0.6371 | 0.15742 | 3.83570 |
| 0.6626 | 0.16143 | 4.02000 |
| 0.6892 | 0.16579 | 4.21000 |
| 0.7168 | 0.17051 | 4.40610 |
| 0.7456 | 0.17565 | 4.60850 |
| 0.7755 | 0.18123 | 4.81780 |
| 0.8066 | 0.18729 | 5.03430 |
| 0.8389 | 0.19387 | 5.25830 |
| 0.8726 | 0.20102 | 5.49020 |
| 0.9076 | 0.20878 | 5.73040 |
| 0.9439 | 0.21721 | 5.97930 |
| 0.9818 | 0.22636 | 6.23730 |
| 1.0212 | 0.23628 | 6.50480 |
| 1.0621 | 0.24705 | 6.78230 |
| 1.1047 | 0.25872 | 7.07000 |
| 1.1490 | 0.27138 | 7.36860 |
| 1.1951 | 0.28511 | 7.67850 |
| 1.2430 | 0.29998 | 8.00010 |
| 1.2929 | 0.31609 | 8.33390 |
| 1.3447 | 0.33355 | 8.68050 |
| 1.3986 | 0.35245 | 9.04030 |
| 1.4547 | 0.37292 | 9.41400 |
| 1.5130 | 0.39509 | 9.80210 |
| 1.5737 | 0.41908 | 10.20500 |
| 1.6368 | 0.44504 | 10.62400 |
| 1.7025 | 0.47314 | 11.05900 |
| 1.7707 | 0.50355 | 11.51000 |
| 1.8417 | 0.53644 | 11.97900 |
| 1.9156 | 0.57203 | 12.46700 |
| 1.9924 | 0.61053 | 12.97300 |
| 2.0723 | 0.65216 | 13.49900 |
| 2.1554 | 0.69719 | 14.04600 |
| 2.1982 | 0.72106 | 14.32700 |
Sampled data (112 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.