Allectra offers a full range of viewport materials.
KF Components made out of glass / Quartz (EVAC types)
Standard Kodial glass viewports 16CF to 200CF
Spectrosil synthetic fused Silica
Laser optimised fused Silica viewports in several varieties with single-line coating
Crystal Quartz viewports
CaF2 and MgF2, materials for use from UV to IR with high transmission
ZnSe, Far Infrared material for transmission from visible up to 20µm wavelength
Beryllium X-Ray windows
Lead Glass Protection windows are available for shielding Gamma and X-Rays.
Viewport shutters help to keep windows clean in evaporation chambers. They are available for CF flanges as well as for ISO-K types.