l Calcite grade: optical, laser and UV grade
l Wavelength range: 350-2300nm; 220-2300nm
l Surface quality: 40/20 scratch and dig; 20/10 scratch and dig
l Dimensions tolerance: ±0.1mm
l Beam deviation: <3 arc minutes
l Extinction ratio: <1x10-5
l Surface flatness: λ4@633NM< SPAN>4@633NM< P> |