EUV 193nm Grade | 2.75CF | Non-Magnetic | SiO-032

2.75CF Low-mu ss | EUV 193nm Grade | Fused Silica (SiO2) UHV Viewport | 0.90 Inch View

This EUV 193nm VUV grade SiO2 UHV viewport has enhanced transmission from 193 nm in the ultraviolet to 2.2 microns in the infrared. The non-magnetic UHV mount is a Low-mu stainless steel 2.75" conflat flange with a magnetic permeability of less than 1.010.  It is available with a protective anodized aluminum cap for greater thermal uniformity during bakeout. It is also available with a clear 6mm polycarbonate cover for safe viewing when the primary window is not in use. The threaded mount mates with the protective cap or safety cover using the SM1 Lens Tube System*.