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            福州高特光電科技有限公司

            Used as transparent barriers for sending and receiving light between two phases under varying conditions in temperature pressure chemical composition cleanliness and phase. Windows of synthetic optical CaF2 are highly abrasion-resistant with hardness approaching that of diamonds. The material allows transmission of light in the range from ultraviolet to near-infrared.
             

            Standard Specifications
             

            Items
            Specifications
            Material
            Calcium Fluoride (CaF2)
            Designed Index
            1.432 ±0.0005 @ 700nm
            Dimension Tolerance
            +0.0/-0.2 mm
            Thickness Tolerance
            ± 0.2 mm
            Clear Aperture
            > 80%
            Parallelism
            < 1 arc minutes
            Flatness
            λ/4 at 632.8 nm
            Surface Quality
            scratch and dig 60-40
            Bevel
            0.5 (0/-0.3) mm

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