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CaF2 Window

CaF2 Window (Calcium Fluoride Window) is widely used in IR sensors, thermal image, medical and optical measurement systems. TEMTO can supply high precision dimension control CaF2 window with minimal transmitted beam geviation.



Specifications:
Material Calcium Fluoride single crystal
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


CaF2 Window Standard Products:

Part No.

(mm)
T(mm)

WIN4101

10.0

1.5

WIN4102

12.7

2.0

WIN4103

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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