The 68-508 is a 25 mm diameter, 2 mm thick Zinc Selenide (ZnSe) protective flat window, uncoated and sourced from Edmund Optics. This window is a type of optical element, specifically a flat window, designed with a base shape of a circle.
The window's geometry is defined by its diameter of 25 mm and thickness of 2 mm, making it a thin lens. The material ID for this component is znse marple-1964, indicating that it is made of Zinc Selenide, a material known for its excellent transmission properties in the infrared region of the spectrum.
The wavelength for this window is 587.6 nm, which is in the visible light spectrum. The window is uncoated, meaning it does not have any additional layers applied to its surface to alter its optical properties.
This window is in stock and available for purchase, as indicated by its weblink status. The weblink provided leads to the product page on the Edmund Optics website, where more information and specifications can be found.