Vac Techniche Vacuum Optics – Viewports

200°C Sapphire Zero Length Viewports

Vac Techniche sapphire viewports are offered in CF, ISO and KF flange styles. The viewports comprise a high quality optic with precise flatness, parallelism, scratch and dig specifications. The single crystal sapphire windows have excellent optical, physical and chemical properties.

The hardest of the oxide crystals, sapphire retains its high strength at high temperatures. Sapphire has a low coefficient of thermal expansion and low fluorescence, good resistance to thermal shock and scratching making this an excellent material for IR transmitting optics and robust applications.