Sapphire Window has a excellent transmission in range : 180—4500nm. 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 |
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| Specifications: |
| Material |
Anisotropic synthetic sapphire crystal (Al2O3) |
| Diameter Tolerance |
+0.0/-0.1mm |
Thickness Tolerance |
¡À0.2mm |
| Clear Aperture |
>Central 85% of diameter |
| Surface Quality |
60-40 S/D |
Parallelism |
< 1 arc minute |
Wavefront Distortion |
λ/4 per 25mm @632.8nm |
| Protective Bevel |
<0.25mm x 45¡ã |
Coating |
Uncoated |
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| Sapphire Window Standard Products: |
Part No. |
¦Õ(mm) |
T(mm) |
WIN2101 |
12.7 |
2.0 |
WIN2102 |
25.4 |
3.0 |
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Note: Other sizes and coatings are available upon request.
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. |
