The 65-878 is a 50 mm diameter, 5 mm thick flat window made from UVFS material with a Mal-1965 index. This protective window is designed for use in the ultraviolet range, specifically between 250 and 425 nanometers, as indicated by its AR coating.
The window features a standard UV coating on both the front and back surfaces, which is provided by Edmund Optics and adheres to their UV standard curve. This coating enhances the window's performance in the UV range, providing excellent transmission and protection against UV radiation.
The window's geometry is defined by its 50 mm diameter and 5 mm thickness, making it suitable for a wide range of applications. Its thin lens shape allows for easy integration into optical systems, while its circular base shape provides versatility in terms of mounting and alignment.
This item is currently in stock and available for purchase from Edmund Optics, as indicated by its valid weblink status. The window's specifications and features make it an ideal choice for applications that require UV protection and transmission in the 250-425nm range.