Material refractive indices
Refractive index for each stock substrate material, listed for different wavelengths.
| λ [nm] | MgF2 ord. ray | CaF2 | FS | Sapphire ord. ray | YAG undoped | ZnSe |
|---|---|---|---|---|---|---|
| 157 | 1.468 | 1.558 | 1.661 | – | – | – |
| 193 | 1.428 | 1.502 | 1.561 | 1.927 | – | – |
| 248 | 1.403 | 1.468 | 1.509 | 1.847 | – | – |
| 266 | 1.399 | 1.462 | 1.500 | 1.833 | – | – |
| 308 | 1.392 | 1.453 | 1.486 | 1.811 | – | – |
| 337 | 1.389 | 1.448 | 1.479 | 1.801 | – | – |
| 355 | 1.387 | 1.446 | 1.476 | 1.796 | 2.020 | – |
| 450 | 1.381 | 1.439 | 1.466 | 1.779 | 1.855 | – |
| 488 | 1.379 | 1.437 | 1.463 | 1.777 | 1.847 | 2.775 |
| 514 | 1.378 | 1.436 | 1.462 | 1.773 | 1.844 | 2.715 |
| 532 | 1.378 | 1.435 | 1.461 | 1.772 | 1.842 | 2.687 |
| 588 | 1.377 | 1.434 | 1.458 | 1.768 | 1.837 | 2.624 |
| 633 | 1.376 | 1.433 | 1.457 | 1.766 | 1.833 | 2.591 |
| 800 | 1.374 | 1.431 | 1.453 | 1.761 | 1.824 | 2.524 |
| 1064 | 1.372 | 1.429 | 1.450 | 1.755 | 1.818 | 2.482 |
| 1320 | 1.371 | 1.427 | 1.447 | 1.750 | 1.812 | 2.465 |
| 1540 | 1.370 | 1.426 | 1.444 | 1.747 | 1.810 | 2.456 |
| 2100 | 1.368 | 1.424 | 1.437 | 1.735 | 1.802 | 2.445 |
| 2940 | 1.364 | 1.418 | 1.421 | 1.713 | 1.787 | 2.438 |
| 4000 | 1.351 | 1.410 | 1.389 | 1.675 | 1.760 | 2.433 |
Reference values, with no guarantee
