Optical constants (n, k) of N-BAK4(SCHOTT), covering 0.33 – 2.20 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.3340 | 1.60294 | 0.00000 |
| 0.3773 | 1.59135 | 0.00000 |
| 0.4206 | 1.58361 | 0.00000 |
| 0.4640 | 1.57813 | 0.00000 |
| 0.5073 | 1.57407 | 0.00000 |
| 0.5506 | 1.57096 | 0.00000 |
| 0.5939 | 1.56850 | 0.00000 |
| 0.6372 | 1.56651 | 0.00000 |
| 0.6806 | 1.56486 | 0.00000 |
| 0.7239 | 1.56347 | 0.00000 |
| 0.7672 | 1.56228 | 0.00000 |
| 0.8105 | 1.56123 | 0.00000 |
| 0.8538 | 1.56031 | 0.00000 |
| 0.8972 | 1.55947 | 0.00000 |
| 0.9405 | 1.55871 | 0.00000 |
| 0.9838 | 1.55801 | 0.00000 |
| 1.0271 | 1.55735 | 0.00000 |
| 1.0704 | 1.55673 | 0.00000 |
| 1.1138 | 1.55614 | 0.00000 |
| 1.1571 | 1.55558 | 0.00000 |
| 1.2004 | 1.55503 | 0.00000 |
| 1.2437 | 1.55450 | 0.00000 |
| 1.2870 | 1.55397 | 0.00000 |
| 1.3304 | 1.55345 | 0.00000 |
| 1.3737 | 1.55294 | 0.00000 |
| 1.4170 | 1.55243 | 0.00000 |
| 1.4603 | 1.55193 | 0.00000 |
| 1.5036 | 1.55142 | 0.00000 |
| 1.5470 | 1.55091 | 0.00000 |
| 1.5903 | 1.55039 | 0.00000 |
| 1.6336 | 1.54987 | 0.00000 |
| 1.6769 | 1.54935 | 0.00000 |
| 1.7202 | 1.54882 | 0.00000 |
| 1.7636 | 1.54828 | 0.00000 |
| 1.8069 | 1.54774 | 0.00000 |
| 1.8502 | 1.54719 | 0.00000 |
| 1.8935 | 1.54662 | 0.00000 |
| 1.9368 | 1.54605 | 0.00000 |
| 1.9802 | 1.54547 | 0.00000 |
| 2.0235 | 1.54488 | 0.00000 |
| 2.0668 | 1.54428 | 0.00000 |
| 2.1101 | 1.54367 | 0.00000 |
| 2.1534 | 1.54304 | 0.00000 |
| 2.1968 | 1.54241 | 0.00000 |
Sampled data (87 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.