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    PRODUCT
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    Protective window

    Application: Widely used for laser cutting machine or laser welding machine.

    Shape: round, square

    ①Material: Borofloat 33, D263t, B270, BK7, Etc.

    ②Size: φ2-φ50mm

    ③Dimension Tolerance: ±0.1mm

    ④Surface Quality: 40/20, 60/40

    ⑤Flatness: 1/4 λ at 632nm

    ⑥Parallelism: 5 arc minutes

    ⑦Clear aperture: >90%

    ⑧Edges: Ground, Maxium 0.3mm edge chip

         

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