Calcium Fluoride Single Crystal Window

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Calcium fluoride is commonly used as a window material for both infrared and ultraviolet wavelengths, since it is transparent in these regions (about 0.15 μm to 9 μm) and exhibits extremely weak birefringence. Furthermore the material is fairly inert chemically so that these Calcium Fluoride Single Crystalwindowsare not attacked.

Specifications:

Material: Calcium Fluoride single crystal( UV or IR)

Diameter Tolerance: +0.0, -0.1mm

Thickness Tolerance: ±0.1mm

Clear Aperture: >85%

Parallelism: 3 arc minute

Surface Quality: 60-40 scratch and dig

Wavefront Distortion: l per 25mm @633mm

Bevel: Protective ( <0.2mm x 45° )

Coating: Optional

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