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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 made of zinc selenium (ZnSe or Zinc Selenide) the most commonly used optical material that allows transmission of infrared light.
             

            Standard Specifications 

            Items

            Specifications

            Material

            Zinc Selenide (ZnSe)

            Designed Index

            2.403 @ 10.6µm

            Density

            5.27g/cm3

            Heat Transfer Coefficient

            18 W/m?K

            Expansion Rate

            7.6×10-6/ ℃

            Dimension Tolerance

            +0.0/-0.2 mm

            Thickness Tolerance

            ± 0.2 mm

            Clear Aperture

            > 90%

            Parallelism

            < 1 arc minutes

            Flatness

            λ/20 at 10.6µm

            Surface Quality

            scratch and dig 60-40

            Bevel

            0.5 (0/-0.3) mm

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