Products
Optical Windows
BK7 Square Windows
Material:BK7
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:λ/4@632.8 nm
Parallelism:<1'
Surface Quality:40-20
Clear Aperture:>90%
Bevelling:<0.2×45°
Coating:AR
        A:350nm-650nm
        B:650nm-1050nm
        C:1050nm-1580nm
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BK7 Square Windows
NO. L(mm) H(mm) T(mm)
31W00603S 6.00 6.00 3.00
31W01203S 12.70 12.70 3.00
31W01205S 12.70 12.70 5.00
31W01503S 15.00 15.00 3.00
31W01505S 15.00 15.00 5.00
31W02003S 20.00 20.00 3.00
31W02005S 20.00 20.00 5.00
31W02503S 25.40 25.40 3.00
31W02505S 25.40 25.40 5.00
31W03005S 30.00 30.00 5.00
31W04008S 40.00 40.00 8.00
31W05008S 50.80 50.80 8.00
31W07505S 75.00 75.00 5.00
31W07510S 75.00 75.00 10.00
NO. L(mm) H(mm) T(mm)
31W10012S 100.00 100.00 12.00

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