VacTechniche Vacuum Optics – Viewports

Zinc Selenide Zero Length Viewports

VacTechniche zinc selenide viewports are offered in CF, ISO and KF flange styles. The viewports comprise a laser quality zinc selenide optic with precise flatness, parallelism, scratch and dig specifications. The ultra high vacuum (UHV) CF versions are offered using high grade 304L or 316LN stainless steel flanges. Non-magnetic viewports are offered for low energy applications or surface science applications needing low magnetic fields.