Optical constants (n, k) of SF56A(SCHOTT), covering 0.37 – 2.18 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.3700 | 1.86719 | 0.00001 |
| 0.4126 | 1.83623 | 0.00000 |
| 0.4552 | 1.81649 | 0.00000 |
| 0.4978 | 1.80285 | 0.00000 |
| 0.5404 | 1.79292 | 0.00000 |
| 0.5830 | 1.78540 | 0.00000 |
| 0.6256 | 1.77953 | 0.00000 |
| 0.6682 | 1.77484 | 0.00000 |
| 0.7108 | 1.77101 | 0.00000 |
| 0.7534 | 1.76783 | 0.00000 |
| 0.7960 | 1.76515 | 0.00000 |
| 0.8386 | 1.76286 | 0.00000 |
| 0.8812 | 1.76087 | 0.00000 |
| 0.9238 | 1.75913 | 0.00000 |
| 0.9664 | 1.75759 | 0.00000 |
| 1.0090 | 1.75621 | 0.00000 |
| 1.0516 | 1.75496 | 0.00000 |
| 1.0942 | 1.75383 | 0.00000 |
| 1.1368 | 1.75279 | 0.00000 |
| 1.1794 | 1.75182 | 0.00000 |
| 1.2220 | 1.75092 | 0.00000 |
| 1.2646 | 1.75007 | 0.00000 |
| 1.3072 | 1.74927 | 0.00000 |
| 1.3498 | 1.74851 | 0.00000 |
| 1.3924 | 1.74778 | 0.00000 |
| 1.4350 | 1.74707 | 0.00000 |
| 1.4776 | 1.74639 | 0.00000 |
| 1.5202 | 1.74573 | 0.00000 |
| 1.5628 | 1.74509 | 0.00000 |
| 1.6054 | 1.74445 | 0.00000 |
| 1.6480 | 1.74383 | 0.00000 |
| 1.6906 | 1.74321 | 0.00000 |
| 1.7332 | 1.74260 | 0.00000 |
| 1.7758 | 1.74200 | 0.00000 |
| 1.8184 | 1.74140 | 0.00000 |
| 1.8610 | 1.74079 | 0.00000 |
| 1.9036 | 1.74019 | 0.00000 |
| 1.9462 | 1.73959 | 0.00000 |
| 1.9888 | 1.73899 | 0.00000 |
| 2.0314 | 1.73838 | 0.00000 |
| 2.0740 | 1.73777 | 0.00000 |
| 2.1166 | 1.73716 | 0.00000 |
| 2.1592 | 1.73654 | 0.00000 |
| 2.1805 | 1.73623 | 0.00000 |
Sampled data (86 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.