Material: BK7 Grade A Optical Glass Dimension Tolerance: ± 0.2mm Flatness: l/4 @ 632.8 nm per 25mm Surface Quality: 60/40 scratch and dig T/R: 50/50±5%, for random polarization
T=(Ts+Tp)/2, R=(Rs+Rp)/2 Beam Deviation: <3 arc minutes Coatings:
Single wavelength partial reflectance: on hypotenuse face
"V" AR-coatings: on all input and output face