Optical constants (n, k) of IHU290, covering 0.20 – 2.00 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.2000 | 1.59945 | 0.00003 |
| 0.2450 | 1.56739 | 0.00004 |
| 0.2900 | 1.53705 | 0.00001 |
| 0.3350 | 1.52131 | 0.00000 |
| 0.3800 | 1.51676 | 0.00000 |
| 0.4250 | 1.50903 | 0.00000 |
| 0.4700 | 1.50515 | 0.00000 |
| 0.5150 | 1.50031 | 0.00000 |
| 0.5600 | 1.49789 | 0.00000 |
| 0.6050 | 1.49530 | 0.00000 |
| 0.6500 | 1.49366 | 0.00000 |
| 0.6950 | 1.49138 | 0.00000 |
| 0.7400 | 1.49059 | 0.00000 |
| 0.7850 | 1.48972 | 0.00000 |
| 0.8300 | 1.48846 | 0.00000 |
| 0.8750 | 1.46745 | 0.00000 |
| 0.9200 | 1.47202 | 0.00000 |
| 0.9650 | 1.47322 | 0.00000 |
| 1.0100 | 1.47402 | 0.00000 |
| 1.0550 | 1.47290 | 0.00000 |
| 1.1000 | 1.47178 | 0.00000 |
| 1.1450 | 1.47082 | 0.00000 |
| 1.1900 | 1.47090 | 0.00000 |
| 1.2350 | 1.46906 | 0.00000 |
| 1.2800 | 1.46922 | 0.00000 |
| 1.3250 | 1.46809 | 0.00000 |
| 1.3700 | 1.46697 | 0.00000 |
| 1.4150 | 1.46640 | 0.00000 |
| 1.4600 | 1.46520 | 0.00000 |
| 1.5050 | 1.46616 | 0.00000 |
| 1.5500 | 1.46512 | 0.00000 |
| 1.5950 | 1.46504 | 0.00000 |
| 1.6400 | 1.46463 | 0.00000 |
| 1.6850 | 1.46254 | 0.00000 |
| 1.7300 | 1.46189 | 0.00000 |
| 1.7750 | 1.46125 | 0.00000 |
| 1.8200 | 1.46294 | 0.00000 |
| 1.8650 | 1.45898 | 0.00000 |
| 1.9100 | 1.45849 | 0.00000 |
| 1.9550 | 1.45639 | 0.00000 |
| 2.0000 | 1.45703 | 0.00000 |
Sampled data (1801 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.