Optical constants (n, k) of W, covering 0.04 – 2.17 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.0443 | 0.65980 | 0.31480 |
| 0.0462 | 0.62900 | 0.37530 |
| 0.0497 | 0.50090 | 0.48500 |
| 0.0526 | 0.47920 | 0.63240 |
| 0.0563 | 0.49450 | 0.78790 |
| 0.0611 | 0.53770 | 0.98640 |
| 0.0658 | 0.67670 | 1.15600 |
| 0.0707 | 0.85380 | 1.20900 |
| 0.0757 | 0.97220 | 1.17300 |
| 0.0803 | 0.95770 | 1.12700 |
| 0.0848 | 0.89710 | 1.19000 |
| 0.0926 | 0.95680 | 1.37900 |
| 0.0999 | 1.08900 | 1.45500 |
| 0.1082 | 1.24500 | 1.46300 |
| 0.1160 | 1.28300 | 1.37600 |
| 0.1217 | 1.20900 | 1.34600 |
| 0.1294 | 1.04800 | 1.45000 |
| 0.1370 | 1.01500 | 1.59700 |
| 0.1464 | 0.96020 | 1.74800 |
| 0.1525 | 0.94990 | 1.83600 |
| 0.1619 | 0.92090 | 2.13300 |
| 0.1738 | 1.01800 | 2.48300 |
| 0.1946 | 1.36800 | 3.07400 |
| 0.2093 | 1.78100 | 3.49700 |
| 0.2208 | 2.39300 | 3.70200 |
| 0.2330 | 3.06300 | 3.45400 |
| 0.2456 | 3.34800 | 2.98500 |
| 0.2647 | 3.26700 | 2.46000 |
| 0.2979 | 3.00900 | 2.33500 |
| 0.3362 | 3.05900 | 2.60600 |
| 0.3688 | 3.40100 | 2.65200 |
| 0.4118 | 3.37800 | 2.41600 |
| 0.5111 | 3.43300 | 2.70000 |
| 0.6268 | 3.60900 | 2.90700 |
| 0.7173 | 3.89600 | 2.85000 |
| 0.8327 | 3.49200 | 2.80100 |
| 1.0560 | 2.94400 | 3.70300 |
| 1.2550 | 3.14700 | 4.37900 |
| 1.4650 | 3.05700 | 4.46400 |
| 1.6460 | 2.30900 | 5.08000 |
| 2.1690 | 1.32800 | 8.31700 |
Sampled data (361 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.