The CaF2-W-38.1x5 is a flat window type optical element, sourced from Alkor Technologies, with a circular base shape and a diameter of 38.1 mm. This window has a thickness of 5 mm and is made of Calcium Fluoride (CaF2) with the material ID mal-1963.
The window is designed to operate at a wavelength of 633 nm and features a thin lens shape. It is uncoated, offering users a raw, unaltered Calcium Fluoride surface. The window's geometry and material make it suitable for a wide range of optical applications.
For more information and to check its availability, please visit the vendor's website through the provided weblink: http://www.alkor.net/CaF2_windows.html. The link is currently valid and indicates that the item is in stock.