The 11-903 is a 25 mm diameter, 5 mm thick flat window made from UVFS material, specifically UVFS Mal-1965. This window is designed for use in the near-infrared (NIR) spectrum, with a wavelength of 587.6 nm.
The window features a standard curve coating on both the front and back surfaces, specifically the EDM NIR-II coating. This coating is designed to optimize performance in the NIR II range, specifically between 750 and 1550 nm.
The window is shaped as a thin lens, making it suitable for a wide range of optical applications. It is sourced from Edmund Optics and is currently in stock, according to the vendor's website.
For more detailed information, including technical specifications and performance data, please refer to the vendor's website using the provided weblink.