Optical constants (n, k) of NH4H2PO4 (o), covering 0.21 – 1.53 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.2138 | 1.62600 | 0.00000 |
| 0.2401 | 1.59726 | 0.00000 |
| 0.2664 | 1.57889 | 0.00000 |
| 0.2927 | 1.56627 | 0.00000 |
| 0.3190 | 1.55714 | 0.00000 |
| 0.3453 | 1.55026 | 0.00000 |
| 0.3716 | 1.54491 | 0.00000 |
| 0.3979 | 1.54063 | 0.00000 |
| 0.4242 | 1.53713 | 0.00000 |
| 0.4505 | 1.53421 | 0.00000 |
| 0.4768 | 1.53173 | 0.00000 |
| 0.5031 | 1.52959 | 0.00000 |
| 0.5294 | 1.52771 | 0.00000 |
| 0.5558 | 1.52604 | 0.00000 |
| 0.5821 | 1.52454 | 0.00000 |
| 0.6084 | 1.52316 | 0.00000 |
| 0.6347 | 1.52190 | 0.00000 |
| 0.6610 | 1.52072 | 0.00000 |
| 0.6873 | 1.51961 | 0.00000 |
| 0.7136 | 1.51856 | 0.00000 |
| 0.7399 | 1.51755 | 0.00000 |
| 0.7662 | 1.51659 | 0.00000 |
| 0.7925 | 1.51565 | 0.00000 |
| 0.8188 | 1.51473 | 0.00000 |
| 0.8451 | 1.51384 | 0.00000 |
| 0.8714 | 1.51295 | 0.00000 |
| 0.8977 | 1.51208 | 0.00000 |
| 0.9240 | 1.51122 | 0.00000 |
| 0.9503 | 1.51035 | 0.00000 |
| 0.9766 | 1.50949 | 0.00000 |
| 1.0029 | 1.50863 | 0.00000 |
| 1.0292 | 1.50777 | 0.00000 |
| 1.0555 | 1.50691 | 0.00000 |
| 1.0818 | 1.50603 | 0.00000 |
| 1.1081 | 1.50516 | 0.00000 |
| 1.1344 | 1.50427 | 0.00000 |
| 1.1607 | 1.50338 | 0.00000 |
| 1.1870 | 1.50247 | 0.00000 |
| 1.2134 | 1.50156 | 0.00000 |
| 1.2397 | 1.50063 | 0.00000 |
| 1.2660 | 1.49970 | 0.00000 |
| 1.2923 | 1.49875 | 0.00000 |
| 1.3186 | 1.49778 | 0.00000 |
| 1.3449 | 1.49681 | 0.00000 |
| 1.3712 | 1.49582 | 0.00000 |
| 1.3975 | 1.49482 | 0.00000 |
| 1.4238 | 1.49380 | 0.00000 |
| 1.4501 | 1.49277 | 0.00000 |
| 1.4764 | 1.49172 | 0.00000 |
| 1.5027 | 1.49066 | 0.00000 |
| 1.5290 | 1.48958 | 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.