Custom windows made of K9, B270, fused silica, Corning quartz, small raw materials and other materials can be customized according to drawings or samples. In addition to circular shapes, we also provide irregular lenses such as square, triangular or other polygonal shapes.

• Standard Sizes: Thickness 2mm, 3mm, 4mm; other thicknesses from 1.0mm to 20.0mm are available. Custom sizes based on drawings are also supported.
• Processing Capability: Taking 7980 0F material as an example: diameter 76mm * thickness 8mm. Reflective surface figure: 1/10; Surface quality: 20-10; Roughness Ra: ＜0.3nm; Parallelism: ＜15″.
• Coating Requirements: Anti-reflection (AR), high-reflection (HR), and partial-reflection (PR) coatings are available for windows.