Specification of our beam-splitter as follow: Material:BK7 Grade Aoptical glass Dimension Tolerance: ±0.2mm Clear Aperture:>90% Flatness :λ/
[email protected] Beam Deviation :<3 arc minutes Surface Quality: 60/40 Coating Partial reflectance on hypotenuse face AR coating on all entrances
T/R ±
5%,
T=(Ts+Tp)/2, R=(Rs+Rp)/2