AOC-AR22

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Magnesium Fluoride AR Coating

Single layer MgF2 coating is applied to substrate materials having an index of refraction in the range of 1.45-1.85 within spectral range 200-1600nm.

Coating characteristics:

The extent of the reflectance reduction depends on the substrate refractive index.

For the typical crown glass with refractive index of 1.52 the reflectance is reduced from 4.2% to the minimum value of 1.3% and for the flint glass with refractive index of 1.85 the reflectance is reduced from 8.9% to the minimum value of 0.1%.

Environmental and durability:

The coating meets durability requirements of MIL-C-675C including severe abrasion as per Para 3.8.4 and MIL-PRF-13830B.

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