Optical constants (n, k) of ISK167, covering 0.20 – 2.00 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.2000 | 2.74016 | 0.00006 |
| 0.2450 | 1.55481 | 0.00010 |
| 0.2900 | 1.57312 | 0.00004 |
| 0.3350 | 1.55195 | 0.00000 |
| 0.3800 | 1.53728 | 0.00000 |
| 0.4250 | 1.53233 | 0.00000 |
| 0.4700 | 1.52606 | 0.00000 |
| 0.5150 | 1.52430 | 0.00000 |
| 0.5600 | 1.52131 | 0.00000 |
| 0.6050 | 1.51931 | 0.00000 |
| 0.6500 | 1.51831 | 0.00001 |
| 0.6950 | 1.51622 | 0.00002 |
| 0.7400 | 1.51538 | 0.00003 |
| 0.7850 | 1.51576 | 0.00006 |
| 0.8300 | 1.51607 | 0.00009 |
| 0.8750 | 1.51630 | 0.00014 |
| 0.9200 | 1.51391 | 0.00019 |
| 0.9650 | 1.51545 | 0.00028 |
| 1.0100 | 1.51081 | 0.00031 |
| 1.0550 | 1.51321 | 0.00029 |
| 1.1000 | 1.51105 | 0.00030 |
| 1.1450 | 1.51066 | 0.00032 |
| 1.1900 | 1.50911 | 0.00032 |
| 1.2350 | 1.50965 | 0.00034 |
| 1.2800 | 1.50779 | 0.00034 |
| 1.3250 | 1.50748 | 0.00036 |
| 1.3700 | 1.50530 | 0.00038 |
| 1.4150 | 1.50686 | 0.00039 |
| 1.4600 | 1.50522 | 0.00042 |
| 1.5050 | 1.50530 | 0.00044 |
| 1.5500 | 1.50374 | 0.00049 |
| 1.5950 | 1.50406 | 0.00051 |
| 1.6400 | 1.50250 | 0.00046 |
| 1.6850 | 1.50203 | 0.00044 |
| 1.7300 | 1.50133 | 0.00042 |
| 1.7750 | 1.50156 | 0.00042 |
| 1.8200 | 1.49844 | 0.00042 |
| 1.8650 | 1.49805 | 0.00044 |
| 1.9100 | 1.49687 | 0.00045 |
| 1.9550 | 1.49287 | 0.00049 |
| 2.0000 | 1.49452 | 0.00051 |
Sampled data (1801 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.