Optical constants (n, k) of FDS18-W(HOYA), covering 0.37 – 1.01 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.3650 | 2.11867 | 0.00001 |
| 0.3780 | 2.09196 | 0.00001 |
| 0.3910 | 2.07012 | 0.00001 |
| 0.4039 | 2.05196 | 0.00000 |
| 0.4169 | 2.03667 | 0.00000 |
| 0.4299 | 2.02361 | 0.00000 |
| 0.4429 | 2.01233 | 0.00000 |
| 0.4559 | 2.00250 | 0.00000 |
| 0.4688 | 1.99385 | 0.00000 |
| 0.4818 | 1.98619 | 0.00000 |
| 0.4948 | 1.97934 | 0.00000 |
| 0.5078 | 1.97320 | 0.00000 |
| 0.5208 | 1.96765 | 0.00000 |
| 0.5337 | 1.96261 | 0.00000 |
| 0.5467 | 1.95803 | 0.00000 |
| 0.5597 | 1.95383 | 0.00000 |
| 0.5727 | 1.94999 | 0.00000 |
| 0.5857 | 1.94644 | 0.00000 |
| 0.5986 | 1.94317 | 0.00000 |
| 0.6116 | 1.94014 | 0.00000 |
| 0.6246 | 1.93732 | 0.00000 |
| 0.6376 | 1.93470 | 0.00000 |
| 0.6506 | 1.93226 | 0.00000 |
| 0.6635 | 1.92997 | 0.00000 |
| 0.6765 | 1.92783 | 0.00000 |
| 0.6895 | 1.92582 | 0.00000 |
| 0.7025 | 1.92393 | 0.00000 |
| 0.7155 | 1.92215 | 0.00000 |
| 0.7284 | 1.92047 | 0.00000 |
| 0.7414 | 1.91889 | 0.00000 |
| 0.7544 | 1.91738 | 0.00000 |
| 0.7674 | 1.91596 | 0.00000 |
| 0.7804 | 1.91461 | 0.00000 |
| 0.7933 | 1.91332 | 0.00000 |
| 0.8063 | 1.91209 | 0.00000 |
| 0.8193 | 1.91092 | 0.00000 |
| 0.8323 | 1.90980 | 0.00000 |
| 0.8452 | 1.90873 | 0.00000 |
| 0.8582 | 1.90771 | 0.00000 |
| 0.8712 | 1.90673 | 0.00000 |
| 0.8842 | 1.90578 | 0.00000 |
| 0.8972 | 1.90488 | 0.00000 |
| 0.9101 | 1.90400 | 0.00000 |
| 0.9231 | 1.90316 | 0.00000 |
| 0.9361 | 1.90235 | 0.00000 |
| 0.9491 | 1.90156 | 0.00000 |
| 0.9621 | 1.90080 | 0.00000 |
| 0.9750 | 1.90007 | 0.00000 |
| 0.9880 | 1.89936 | 0.00000 |
| 1.0010 | 1.89867 | 0.00000 |
| 1.0140 | 1.89799 | 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.