Optical constants (n, k) of S-FPM2(OHARA), covering 0.30 – 2.19 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.3000 | 1.63515 | 0.00000 |
| 0.3420 | 1.62196 | 0.00000 |
| 0.3840 | 1.61330 | 0.00000 |
| 0.4260 | 1.60727 | 0.00000 |
| 0.4680 | 1.60288 | 0.00000 |
| 0.5100 | 1.59957 | 0.00000 |
| 0.5520 | 1.59699 | 0.00000 |
| 0.5940 | 1.59493 | 0.00000 |
| 0.6360 | 1.59326 | 0.00000 |
| 0.6780 | 1.59187 | 0.00000 |
| 0.7200 | 1.59069 | 0.00000 |
| 0.7620 | 1.58968 | 0.00000 |
| 0.8040 | 1.58880 | 0.00000 |
| 0.8460 | 1.58802 | 0.00000 |
| 0.8880 | 1.58732 | 0.00000 |
| 0.9300 | 1.58668 | 0.00000 |
| 0.9720 | 1.58610 | 0.00000 |
| 1.0140 | 1.58557 | 0.00000 |
| 1.0560 | 1.58506 | 0.00000 |
| 1.0980 | 1.58459 | 0.00000 |
| 1.1400 | 1.58413 | 0.00000 |
| 1.1820 | 1.58370 | 0.00000 |
| 1.2240 | 1.58328 | 0.00000 |
| 1.2660 | 1.58287 | 0.00000 |
| 1.3080 | 1.58247 | 0.00000 |
| 1.3500 | 1.58208 | 0.00000 |
| 1.3920 | 1.58170 | 0.00000 |
| 1.4340 | 1.58131 | 0.00000 |
| 1.4760 | 1.58093 | 0.00000 |
| 1.5180 | 1.58055 | 0.00000 |
| 1.5600 | 1.58017 | 0.00000 |
| 1.6020 | 1.57979 | 0.00000 |
| 1.6440 | 1.57941 | 0.00000 |
| 1.6860 | 1.57902 | 0.00000 |
| 1.7280 | 1.57863 | 0.00000 |
| 1.7700 | 1.57824 | 0.00000 |
| 1.8120 | 1.57785 | 0.00000 |
| 1.8540 | 1.57744 | 0.00000 |
| 1.8960 | 1.57704 | 0.00000 |
| 1.9380 | 1.57663 | 0.00000 |
| 1.9800 | 1.57621 | 0.00000 |
| 2.0220 | 1.57579 | 0.00000 |
| 2.0640 | 1.57536 | 0.00000 |
| 2.1060 | 1.57492 | 0.00000 |
| 2.1480 | 1.57448 | 0.00000 |
| 2.1900 | 1.57402 | 0.00000 |
Sampled data (91 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.