The CaF2-W-63.5x8 is a flat window type optical element, sourced from Alkor Technologies, with a circular base shape and a diameter of 63.5 mm. This window is designed for use in optical systems that require transparency at a specific wavelength, in this case, 633 nm. The window is made of Calcium Fluoride (CaF2) with the material ID "caf2 mal-1963".
The window has a thickness of 8 mm, which is sufficient for most applications, and it does not come with any coating. This uncoated feature might be beneficial in certain applications where no additional coating is required or desired.
For more information about this product, you can refer to the vendor's website through the provided weblink, which is valid and indicates that the product is in stock. This window, like all products from Alkor Technologies, is expected to meet high standards of quality and performance.