Parameters

Standard grade

Precision grade

Material

UV grade Fused Silica

UV grade Fused Silica

Dimensional Tolerance

+0.0/-0.15

+0.0/-0.15

Clear Aperture

>85%

>85%

Surface Quality

S/D=60/40

S/D=20/10

Parallelism

<3 minutes

<30 seconds

Wavefront Distortion

λ/2 per 25mm

 λ/10 per 25mm

Chamfer

<0.25x45 deg

<0.25x45 deg

Coating

Optional

Optional

The regular sizes for precision Windows

Part No.

WIN2110

WIN2112

WIN2125

WIN2130

WIN2150

Diameter(mm)

10.0

12.7

25.4

30.0

50.0

Thickness(mm)

6.0

6.0

6.35

6.35

10.0

The regular sizes for standard Windows

Part No.

WIN2210

WIN2212

WIN2225

WIN2230

WIN2250

Diameter(mm)

10.0

12.7

25.4

30.0

50.0

Thickness(mm)

3.0

3.0

3.0

3.0

5.0