The zinc selenide (ZnSe) window material is a yellow transparent polycrystalline material, it will become red when to meet the light. It is toxic, odorless. The material is soft and easy to produce scratches.
The zinc selenide (ZnSe) window has a light transmission range of 0.5-15 μm. It is an ideal material for protecting windows and optical components in imaging systems. Zinc selenide (ZnSe) window and lens is also widely used in medical and industrial thermal
radiation meters and infrared spectrometers.