The 36-940 is a 50 mm diameter, 1 mm thick flat window made from UVFS material with Mal-1965 index, sourced from Edmund Optics. This window is designed for visible light applications, specifically optimized for the 425-675 nm wavelength range. The front and back surfaces of the window are coated with EDM VIS-0 standard curve coatings, ensuring high-quality performance and durability. The window's thin lens shape and circular geometry make it a versatile option for various optical applications. The window's current status is in stock, according to the vendor's website. For more detailed information, users are encouraged to visit the provided weblink.