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Alkor Technologies manufactures custom Calcium Fluoride optical components for Ultraviolet and Infrared applications. Please refer to a table to check which grade is suitable for your application.
| λ, micron |
Spectral transmittance coefficient τ (λ), %, not less |
Excimer CaF2 |
VUV CaF2 |
UV CaF2 |
IR CaF2 |
0.125 |
50 |
- |
- |
- |
0.130 |
65 |
55 |
- |
- |
0.155 |
79 |
70 |
- |
- |
0.193 |
85 |
80 |
- |
- |
0.260 |
87 |
85 |
80 |
- |
0.4 |
90 |
90 |
90 |
87 |
3.0 |
94 |
6.5 |
94 |
7.0 |
92 |
8.0 |
80 |
"-" means τ (λ) <50%
Excimer grade CaF2 is most expensive; IR grade is very cheap and most popular CaF2 grade for large number of IR applications.
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