This is the 20QW40-30AR.16 optical flat window, a high-quality component sourced from MKS/Newport. It is a circular window with a diameter of 50.8 mm and a thickness of 10 mm, designed for use in the UVFS material range (1965).
The window features a coating on both the front and back surfaces, specifically the new AR-16 fromfigure coating. This coating is designed to optimize performance within the 650-1000nm wavelength range, making it suitable for a wide range of optical applications.
The item is currently in stock and available for purchase through the provided weblink. With its combination of high-quality materials, precise dimensions, and advanced coating, this optical flat window is an excellent choice for those seeking reliable and efficient optical components.