Optical window materials include a vast range of glass materials available for fabrication of optical windows.

The materials range from industrial grade glasses to special high purity fused silica and crystal materials. The raw materials used in manufacturing start shape as sheets, blocks, strip, rod, plate and moulded blanks. In turn these materials are processed to produce the final window. For window processing details see custom processing page.

Materials processed in the manufacture of Optical Windows are listed below: -