Our optical windows come in sizes ranging from 2mm to 300mm in diameter and 2mm to 300mm square, with precise tolerances of ±0.1mm, and can be custom-manufactured in various shapes, including rectangular and hexagonal. We offer a diverse selection of materials suited for different applications, including Barium Fluoride (BaF2), BK7, Borosilicate (Schott Borofloat), Calcium Fluoride (CaF2), Dome Windows in BK7 and Fused Silica, Germanium (Ge), Indium Tin Oxide (ITO) coated, Raman Grade CaF2, Sapphire (Al2O3), Silicon (Si), Toughened Windows, and UV Fused Silica. Our high-quality optical windows are designed to meet a wide range of scientific, industrial, and imaging needs.