Optical constants (n, k) of ZnSe, covering 0.40 – 2.20 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.4000 | 2.97414 | 0.00177 |
| 0.4144 | 2.92216 | 0.00142 |
| 0.4294 | 2.87622 | 0.00106 |
| 0.4449 | 2.83541 | 0.00068 |
| 0.4610 | 2.79900 | 0.00029 |
| 0.4776 | 2.76638 | 0.00006 |
| 0.4949 | 2.73705 | 0.00002 |
| 0.5128 | 2.71060 | 0.00001 |
| 0.5313 | 2.68667 | 0.00000 |
| 0.5505 | 2.66498 | 0.00000 |
| 0.5704 | 2.64526 | 0.00000 |
| 0.5910 | 2.62731 | 0.00000 |
| 0.6123 | 2.61093 | 0.00000 |
| 0.6344 | 2.59596 | 0.00000 |
| 0.6573 | 2.58226 | 0.00000 |
| 0.6811 | 2.56970 | 0.00000 |
| 0.7057 | 2.55818 | 0.00000 |
| 0.7312 | 2.54759 | 0.00000 |
| 0.7576 | 2.53785 | 0.00000 |
| 0.7849 | 2.52888 | 0.00000 |
| 0.8133 | 2.52061 | 0.00000 |
| 0.8427 | 2.51299 | 0.00000 |
| 0.8731 | 2.50595 | 0.00000 |
| 0.9046 | 2.49945 | 0.00000 |
| 0.9373 | 2.49344 | 0.00000 |
| 0.9712 | 2.48789 | 0.00000 |
| 1.0063 | 2.48274 | 0.00000 |
| 1.0426 | 2.47798 | 0.00000 |
| 1.0803 | 2.47357 | 0.00000 |
| 1.1193 | 2.46948 | 0.00000 |
| 1.1597 | 2.46568 | 0.00000 |
| 1.2016 | 2.46216 | 0.00000 |
| 1.2450 | 2.45889 | 0.00000 |
| 1.2900 | 2.45586 | 0.00000 |
| 1.3365 | 2.45304 | 0.00000 |
| 1.3848 | 2.45041 | 0.00000 |
| 1.4348 | 2.44798 | 0.00000 |
| 1.4867 | 2.44571 | 0.00000 |
| 1.5404 | 2.44359 | 0.00000 |
| 1.5960 | 2.44162 | 0.00000 |
| 1.6536 | 2.43979 | 0.00000 |
| 1.7134 | 2.43808 | 0.00000 |
| 1.7753 | 2.43648 | 0.00000 |
| 1.8394 | 2.43498 | 0.00000 |
| 1.9058 | 2.43359 | 0.00000 |
| 1.9746 | 2.43228 | 0.00000 |
| 2.0460 | 2.43106 | 0.00000 |
| 2.1199 | 2.42991 | 0.00000 |
| 2.1964 | 2.42883 | 0.00000 |
Sampled data (49 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.