Substrate Material: |
Synthetic quartz glass, VIOSIL |
Outer Diameter: |
Dia 101.60,-0.2/+0mm (DIA 4") |
Thickness: |
6.35,+/-0.1mm (typ 0.25" in thickness) |
Clear Aperture: |
>90% of surface |
Surface Quality: |
Double side polished (20-10 scratch and dig, MIL Standard) |
Flatness: |
<Lambda/10@632.8nm over every 25mm aperture on-jig tested |
Parallelism: |
<30 arc seconds |
Edge Surface: |
Ground; 0.35mmx45deg protection chamfer |
Coating: |
Double side AR coating @ 350-700nm & 1760nm, R<0.5% max, 0-deg AOI;
R-curve as shown below; |
MOQ: |
NA. Email us sales@optics.sg for pricing on volume orders |