Optical constants (n, k) of ThF4, covering 0.26 – 0.76 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.2600 | 1.57391 | 0.00000 |
| 0.2700 | 1.56773 | 0.00000 |
| 0.2800 | 1.56232 | 0.00000 |
| 0.2900 | 1.55755 | 0.00000 |
| 0.3000 | 1.55332 | 0.00000 |
| 0.3100 | 1.54954 | 0.00000 |
| 0.3200 | 1.54617 | 0.00000 |
| 0.3300 | 1.54313 | 0.00000 |
| 0.3400 | 1.54039 | 0.00000 |
| 0.3500 | 1.53790 | 0.00000 |
| 0.3600 | 1.53564 | 0.00000 |
| 0.3700 | 1.53357 | 0.00000 |
| 0.3800 | 1.53169 | 0.00000 |
| 0.3900 | 1.52995 | 0.00000 |
| 0.4000 | 1.52836 | 0.00000 |
| 0.4100 | 1.52689 | 0.00000 |
| 0.4200 | 1.52553 | 0.00000 |
| 0.4300 | 1.52427 | 0.00000 |
| 0.4400 | 1.52311 | 0.00000 |
| 0.4500 | 1.52202 | 0.00000 |
| 0.4600 | 1.52101 | 0.00000 |
| 0.4700 | 1.52006 | 0.00000 |
| 0.4800 | 1.51918 | 0.00000 |
| 0.4900 | 1.51836 | 0.00000 |
| 0.5000 | 1.51758 | 0.00000 |
| 0.5100 | 1.51685 | 0.00000 |
| 0.5200 | 1.51617 | 0.00000 |
| 0.5300 | 1.51553 | 0.00000 |
| 0.5400 | 1.51492 | 0.00000 |
| 0.5500 | 1.51435 | 0.00000 |
| 0.5600 | 1.51381 | 0.00000 |
| 0.5700 | 1.51329 | 0.00000 |
| 0.5800 | 1.51281 | 0.00000 |
| 0.5900 | 1.51235 | 0.00000 |
| 0.6000 | 1.51191 | 0.00000 |
| 0.6100 | 1.51150 | 0.00000 |
| 0.6200 | 1.51111 | 0.00000 |
| 0.6300 | 1.51073 | 0.00000 |
| 0.6400 | 1.51038 | 0.00000 |
| 0.6500 | 1.51004 | 0.00000 |
| 0.6600 | 1.50971 | 0.00000 |
| 0.6700 | 1.50940 | 0.00000 |
| 0.6800 | 1.50911 | 0.00000 |
| 0.6900 | 1.50883 | 0.00000 |
| 0.7000 | 1.50856 | 0.00000 |
| 0.7100 | 1.50830 | 0.00000 |
| 0.7200 | 1.50805 | 0.00000 |
| 0.7300 | 1.50782 | 0.00000 |
| 0.7400 | 1.50759 | 0.00000 |
| 0.7500 | 1.50737 | 0.00000 |
| 0.7600 | 1.50716 | 0.00000 |
Sampled data (101 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.