Optical constants (n, k) of polyetherimide, covering 0.40 – 2.20 μm wavelength range.
| Wavelength (μm) | n | k |
|---|---|---|
| 0.4000 | 1.65489 | 0.00007 |
| 0.4400 | 1.64280 | 0.00002 |
| 0.4800 | 1.63586 | 0.00001 |
| 0.5200 | 1.63076 | 0.00001 |
| 0.5600 | 1.62746 | 0.00000 |
| 0.6000 | 1.62439 | 0.00000 |
| 0.6400 | 1.62273 | 0.00000 |
| 0.6800 | 1.62139 | 0.00000 |
| 0.7200 | 1.61996 | 0.00000 |
| 0.7600 | 1.61975 | 0.00000 |
| 0.8000 | 1.61848 | 0.00000 |
| 0.8400 | 1.61780 | 0.00000 |
| 0.8800 | 1.62026 | 0.00000 |
| 0.9200 | 1.61999 | 0.00000 |
| 0.9600 | 1.61976 | 0.00000 |
| 1.0000 | 1.61951 | 0.00000 |
| 1.0400 | 1.61784 | 0.00000 |
| 1.0800 | 1.61745 | 0.00000 |
| 1.1200 | 1.61716 | 0.00000 |
| 1.1600 | 1.61740 | 0.00000 |
| 1.2000 | 1.61705 | 0.00000 |
| 1.2400 | 1.61737 | 0.00000 |
| 1.2800 | 1.61671 | 0.00000 |
| 1.3200 | 1.61628 | 0.00000 |
| 1.3600 | 1.61713 | 0.00000 |
| 1.4000 | 1.61544 | 0.00001 |
| 1.4400 | 1.61588 | 0.00001 |
| 1.4800 | 1.61694 | 0.00000 |
| 1.5200 | 1.61768 | 0.00000 |
| 1.5600 | 1.61645 | 0.00000 |
| 1.6000 | 1.61581 | 0.00000 |
| 1.6400 | 1.61631 | 0.00003 |
| 1.6800 | 1.61364 | 0.00007 |
| 1.7200 | 1.61555 | 0.00002 |
| 1.7600 | 1.61545 | 0.00002 |
| 1.8000 | 1.61606 | 0.00002 |
| 1.8400 | 1.61216 | 0.00002 |
| 1.8800 | 1.61296 | 0.00002 |
| 1.9200 | 1.61659 | 0.00005 |
| 1.9600 | 1.61400 | 0.00002 |
| 2.0000 | 1.61732 | 0.00002 |
| 2.0381 | 1.60562 | 0.00006 |
| 2.0773 | 1.61639 | 0.00008 |
| 2.1180 | 1.61826 | 0.00009 |
| 2.1568 | 1.62027 | 0.00008 |
| 2.1970 | 1.61692 | 0.00006 |
Sampled data (181 points total). Click "Download Full CSV" for complete data.
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