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Sapphire Window

 

Sapphire Window has a excellent transmission in range : 1804500nm. 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



Specifications:
Material Anisotropic synthetic sapphire crystal (Al2O3)
Diameter Tolerance +0.0/-0.1mm
Thickness Tolerance
0.2mm
Clear Aperture >Central 85% of diameter
Surface Quality 60-40 S/D

Parallelism

< 1 arc minute

Wavefront Distortion

/4 per 25mm @632.8nm

Protective Bevel <0.25mm x 45

Coating

Uncoated


Sapphire Window Standard Products:

Part No.

(mm)
T(mm)

WIN2101

12.7

2.0

WIN2102

25.4

3.0
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.

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