The 84-455 is a 25 mm diameter, 3 mm thick flat window made from UVFS material, specifically UVFS Mal-1965. This window is designed for use in the visible to near-infrared spectrum, covering wavelengths from 400 to 1000 nanometers.
The window features a thin lens shape and is coated with Edmund Optics' VIS-NIR coating (edm visnir0sp2002000) on both the front and back surfaces. This coating is designed to enhance the window's performance in the visible and near-infrared ranges.
The vendor for this item is Edmund Optics, and the window is currently in stock, as indicated by the "weblink status" field in the item data. For more detailed information, including pricing and availability, please refer to the vendor's website using the provided weblink.