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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 |
Transmission(%), not less. 10mm thickness sample |
| Excimer CaF2 |
VUV CaF2 |
UV CaF2 |
IR CaF2 |
| 0.125 |
50 |
<=50 |
- |
- |
| 0.130 |
65 |
55 |
- |
- |
| 0.155 |
79 |
70 |
<=40 |
<=40 |
| 0.193 |
85 |
80 |
80 |
70 |
| 0.260 |
87 |
87 |
87 |
87 |
| 0.4 |
90 |
90 |
90 |
90 |
| 3.0 |
94 |
| 6.5 |
94 |
| 7.0 |
92% T=10mm; 94% T=1.0mm; 94% T=0.5mm |
| 8.0 |
80% T=10mm; 92% T=1.0mm; 94% T=0.5mm |
| 9.0 |
50% T=10mm; 87% T=1.0mm; 93% T=0.5mm |
| 10.0 |
15% T=10mm; 75% T=1mm; 85% - T=0.5mm |
| 11.0 |
0.0% T=10mm; 50% T=1mm; 70% T=0.5mm |
| 12.0 |
0.0% T=10mm; 25% T=1mm; 50% T=0.5mm |
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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