Glass wafer
Diameter Tolerance:+0.0.-0.1mm
Thickness Tolenrance:+/-0.05mm
Clear Aperture:>90%
Coating: Upon requiremet

Glass wafer

High Precision Windows

Specifications:

Material:BK7 grade A optical glass

Diameter Tolerance:+0.0.-0.1mm

Thickness Tolenrance:+/-0.05mm

Clear Aperture:>90%

Parallelism:<10 arc senconds

Surface Quality:20-10scratch and dig

Flatness :lambda/10 per 25mm at 633nm

Bevel:<0.25mm× 45°

Coating:Upon requirement

Standard BK7 Windows

Specifications:

Material:BK7 grade A optical glass

Diameter Tolerance:+0.0.-0.1mm

Thickness Tolenrance:+/-0.2mm

Clear Aperture:>85%

Parallelism:<1 arc senconds

Surface Quality:60-40scratch and dig

Flatness :lambda/2 per 25mm at 633nm

Bevel:<0.25mm× 45°

Coating:Upon requirement