Optical constants (n, k) of ISK171, covering 0.20 – 2.00 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.2000 | 1.67199 | 0.00007 |
| 0.2450 | 1.60224 | 0.00009 |
| 0.2900 | 1.57260 | 0.00007 |
| 0.3350 | 1.55496 | 0.00001 |
| 0.3800 | 1.54788 | 0.00000 |
| 0.4250 | 1.54070 | 0.00000 |
| 0.4700 | 1.53675 | 0.00000 |
| 0.5150 | 1.53241 | 0.00000 |
| 0.5600 | 1.52997 | 0.00000 |
| 0.6050 | 1.52775 | 0.00001 |
| 0.6500 | 1.52629 | 0.00001 |
| 0.6950 | 1.52376 | 0.00003 |
| 0.7400 | 1.52369 | 0.00005 |
| 0.7850 | 1.52330 | 0.00009 |
| 0.8300 | 1.52046 | 0.00014 |
| 0.8750 | 1.50577 | 0.00023 |
| 0.9200 | 1.50701 | 0.00027 |
| 0.9650 | 1.50437 | 0.00026 |
| 1.0100 | 1.50468 | 0.00028 |
| 1.0550 | 1.50585 | 0.00028 |
| 1.1000 | 1.50335 | 0.00029 |
| 1.1450 | 1.50265 | 0.00031 |
| 1.1900 | 1.50507 | 0.00032 |
| 1.2350 | 1.50195 | 0.00033 |
| 1.2800 | 1.50289 | 0.00034 |
| 1.3250 | 1.50133 | 0.00035 |
| 1.3700 | 1.50055 | 0.00037 |
| 1.4150 | 1.50148 | 0.00038 |
| 1.4600 | 1.49961 | 0.00039 |
| 1.5050 | 1.50008 | 0.00040 |
| 1.5500 | 1.50047 | 0.00040 |
| 1.5950 | 1.50023 | 0.00044 |
| 1.6400 | 1.49742 | 0.00044 |
| 1.6850 | 1.49726 | 0.00047 |
| 1.7300 | 1.49515 | 0.00048 |
| 1.7750 | 1.49460 | 0.00049 |
| 1.8200 | 1.49538 | 0.00050 |
| 1.8650 | 1.49381 | 0.00051 |
| 1.9100 | 1.49342 | 0.00052 |
| 1.9550 | 1.49271 | 0.00053 |
| 2.0000 | 1.49153 | 0.00053 |
Sampled data (1801 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.