The WZN2544 is a 25 mm diameter Zinc Sulphide (ZNS) FLIR round window, with a thickness of 4mm and a polished finish. This window is sourced from Knight Optical and is currently in stock, as indicated by its weblink status. The catalog number for this item is WZN2544, and it can be found on Knight Optical's website.
This optical component is classified as a window, specifically a flat window, due to its simple geometry. The window is circular in shape, with a diameter of 25mm and a thickness of 4mm, making it a thin lens. The material of the window is Zinc Sulphide, identified by the Material ID "zns debenham".
The window is designed to operate at a wavelength of 10600nm. It does not have any coating, as indicated by the empty "coating" field in the item data. This means that the window's properties are determined solely by its base material, Zinc Sulphide.