Materials

Illustration

Property and Application

Windows

Sapphire
YAG
BK7
UVFS
CaF 2
MgF 2

Windows are used to isolate different physical environments while allowing light to pass. When selecting windows you should consider materials, transmission, scattering, wavefront distortion, parallelism and resistance to certain environment.

Flatness:

l /10@632.8nm

Diameter Tolerance:

+0.0, -0.15mm

Thickness tolerance :

±0.2mm

Clear Aperture:

>80%

Surface Quality:

20-10 scratch and dig

Bevel:

0.25 mm x 45°

Coat:

uncoated

Bevel

:Propective Bevel