CaF2-W-50.8x4 50.8 mm Dia. CaF2 Flat Window; t=4mm Uncoated

This is a flat window made of Calcium Fluoride (CaF2) with a diameter of 50.8 mm and a thickness of 4 mm. It is sourced from Alkor Technologies, a reputable vendor in the optical industry. The window is uncoated, which means it does not have any additional layers to enhance or alter its optical properties.

The CaF2 material is identified as "caf2 mal-1963" in the vendor's catalog. This specific type of CaF2 is known for its excellent transparency in the ultraviolet, visible, and near-infrared regions of the spectrum. It has a refractive index of 1.43 at 589.3 nm and a density of 3.18 g/cm³.

The window is designed in the shape of a thin lens, which provides a flat surface for easy integration into optical systems. It is suitable for use in various applications, including but not limited to, laser systems, beam delivery, and imaging systems.

For more detailed information about this item, including its availability and pricing, please refer to the vendor's website: http://www.alkor.net/CaF2_windows.html. The link is valid and the item is currently in stock, according to the vendor's website status.