BaF2 windows

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BaF2 windows

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Barium fluoride is used for optical windows, prisms and lenses transmitting from ultraviolet into infrared, it can be used as an infrared laser window or lens. BaF2 is recommended for use as a vacuum ultraviolet window where high radiation resistance is required. BaF2 is less soluble than LiF, but relatively more soluble than MgF2and CaF2.


Capability:

Material

BaF2

Diameter Tolerance

+0.0, -0.2m

Thickness Tolerance±0.1mm
Parallelism

<3 arc minut

Surface Quality

60/40 scratch and dig

Surface Flatness

2λ@ 632.8nm

Clear aperture>90%

Note: Custom sizes and coatings are available upon request.