IR Grade, Uncoated | ZSe-002

2.75CF 304 ss | IR grade | Zinc Selenide (ZnSe) UHV Viewport | 0.90 Inch View

This IR grade ZnSe extended range UHV viewport has good transmission in the visible and excellent transmission through 20 microns in the infrared. The standard UHV mount is a 304 stainless steel 2.75 inch Conflat flange.  It is available with a protective anodized aluminum cap for greater thermal uniformity during bake-out. It is also available with a transparent 6mm thick polycarbonate cover for safe viewing while primary ZnSe window is not in service. The threaded mount mates with the protective cap or safety cover using the SM1 Lens Tube System*.