1 Material:UV-grade fused silica 2 Angle tolerance:5 arc secaa3 arc min 3 Optical parallelism:10arc secondsaa1 arc minutes 4

Material:UV-grade fused  silica

Size:Dia 3.0~200.0mm  x  thickness  0.3~60.0mm 

Dimension tolerance:0/-0.1mm

Thickness Tolerance:±0.2mm

Angle tolerance:5 arc sec—3 arc min

Optical parallelism:10arc seconds—1 arc minutes

Flatness(@633nm):λ/10—1λ

Surface quality:60—10scratch and dig

Clear aperture:90%

Coating:available upon request

Bevel 0.25mm x  45

quartz optical windows