The 65-873 is a 15 mm diameter, 2 mm thick flat window made from UVFS material, specifically UVFS Mal-1965. This window is designed to provide protection while also featuring a UV-AR coating with a standard curve, which covers the wavelength range of 250-425nm on both the front and back surfaces. The UV-AR coating is provided by Edmund Optics and is part of their standard curve offerings.
This window is categorized as a flat window, which is a type of window that does not have any curvature. It is designed to protect optical components from environmental hazards such as dust, dirt, and other contaminants. The window's thin lens shape further enhances its protective capabilities.
The vendor for this item is Edmund Optics, a leading supplier of optical components. The item's web link is valid and indicates that it is in stock, making it readily available for purchase and use in various applications.