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CaF2 Window
| CaF2 Window (Calcium Fluoride
Window) is widely used in IR sensors, thermal image, medical
and optical measurement systems. OP-Unite can supply high precision
dimension control CaF2 window with minimal transmitted beam geviation. |
General Specifications |
Parameter |
Commercial Grade |
Substrate Material |
Calcium Fluoride single crystal |
Diameter Tolerance |
+0/-0.1mm |
| Thickness Tolerance |
+/-0.2mm |
Clear Aperture |
>Central 85% of diameter |
Surface Quality |
60-40 S/D |
Parallelism |
< 1 arc minute |
Wavefront Distortion |
¦Ë/4 per 25mm @632.8nm |
Chamfer |
0.25mm x 45¡ã |
Coating |
Uncoated |
CaF2 Window Standard Products:
Part No. |
¦µ (mm) |
T (mm) |
WIN4101 |
10.0 |
1.5 |
WIN4102 |
12.7 |
2.0 |
WIN4103 |
25.4 |
3.0 |
| Note: The general tolerance specifications above provide a guideline regarding manufacturing capabilities for optics. The manufacturing limits are not absolute; tighter tolerances may be possible. Part specific tolerances may vary depending on component size, shape, and/or material. |
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