Material

Fused Silica

Surface Flatness

λ/5 @633nm

Surface parallelism error

<3′

Clearing

IV grade

Back

Fine grinding

Type　

 Diameter

Thickness

WN03GM-010

10.0

2.0

WN03GM-012

12.5

2.0

WN03GM-020

20.0

2.0

WN03GM-025

25.0

2.0

WN03GM-038

38.0

5.0

WN03GM-050

50.0

6.5

WN03GM-073

73.0

9.0

WN03GM-105

105.0

12.5