Optical constants (n, k) of heptane, covering 0.33 – 0.64 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.3260 | 1.41319 | 0.00000 |
| 0.3324 | 1.41179 | 0.00000 |
| 0.3387 | 1.41048 | 0.00000 |
| 0.3451 | 1.40924 | 0.00000 |
| 0.3514 | 1.40807 | 0.00000 |
| 0.3578 | 1.40697 | 0.00000 |
| 0.3642 | 1.40593 | 0.00000 |
| 0.3705 | 1.40494 | 0.00000 |
| 0.3769 | 1.40401 | 0.00000 |
| 0.3832 | 1.40312 | 0.00000 |
| 0.3896 | 1.40229 | 0.00000 |
| 0.3960 | 1.40149 | 0.00000 |
| 0.4023 | 1.40074 | 0.00000 |
| 0.4087 | 1.40002 | 0.00000 |
| 0.4150 | 1.39933 | 0.00000 |
| 0.4214 | 1.39868 | 0.00000 |
| 0.4278 | 1.39807 | 0.00000 |
| 0.4341 | 1.39748 | 0.00000 |
| 0.4405 | 1.39691 | 0.00000 |
| 0.4468 | 1.39638 | 0.00000 |
| 0.4532 | 1.39586 | 0.00000 |
| 0.4596 | 1.39537 | 0.00000 |
| 0.4659 | 1.39491 | 0.00000 |
| 0.4723 | 1.39446 | 0.00000 |
| 0.4786 | 1.39403 | 0.00000 |
| 0.4850 | 1.39362 | 0.00000 |
| 0.4914 | 1.39323 | 0.00000 |
| 0.4977 | 1.39285 | 0.00000 |
| 0.5041 | 1.39249 | 0.00000 |
| 0.5104 | 1.39214 | 0.00000 |
| 0.5168 | 1.39181 | 0.00000 |
| 0.5232 | 1.39149 | 0.00000 |
| 0.5295 | 1.39118 | 0.00000 |
| 0.5359 | 1.39089 | 0.00000 |
| 0.5422 | 1.39060 | 0.00000 |
| 0.5486 | 1.39033 | 0.00000 |
| 0.5550 | 1.39007 | 0.00000 |
| 0.5613 | 1.38982 | 0.00000 |
| 0.5677 | 1.38957 | 0.00000 |
| 0.5740 | 1.38934 | 0.00000 |
| 0.5804 | 1.38911 | 0.00000 |
| 0.5868 | 1.38890 | 0.00000 |
| 0.5931 | 1.38869 | 0.00000 |
| 0.5995 | 1.38848 | 0.00000 |
| 0.6058 | 1.38829 | 0.00000 |
| 0.6122 | 1.38810 | 0.00000 |
| 0.6186 | 1.38792 | 0.00000 |
| 0.6249 | 1.38774 | 0.00000 |
| 0.6313 | 1.38757 | 0.00000 |
| 0.6376 | 1.38741 | 0.00000 |
| 0.6440 | 1.38725 | 0.00000 |
Sampled data (101 points total). Click "Download Full CSV" for complete data.
Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.