尺寸公差:+/-0.2mm
平行度:<10 ″
光洁度:60/40
面型:λ/4 @ 632.8nm
消光比:>1000:1
光束偏移: < 3 arc minutes
Principal Transmittance:Tp>95% and Ts<1%
Principal Reflectance:Rs>99% and Rp<5%