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Sapphire Window
| Sapphire Window has a excellent transmission in range: 180¡ª4500nm.And the
reflective index is 1.77@1000nm. The sapphire part is the best choose
to withstand strong pressure in optical system. It is widely used in
IR sensors, thermal image, medical and optical measurement
systems. |
General Specifications |
Parameter |
Commercial Grade |
Substrate Material |
Anisotropic synthetic sapphire crystal
(Al2O3) |
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 |
Sapphire Windows Standard Products:
Part No. |
¦µ (mm) |
T (mm) |
WIN2101 |
12.7 |
2.0 |
WIN2102 |
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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