Heraeus® Suprasil 1 is a high-purity synthetic fused silica material used for demanding UV optical, semiconductor, laser and scientific instrumentation applications. With high SiO₂ purity above 99.99%, excellent deep-UV transmission from 170–2500 nm, low thermal expansion of 0.51 × 10⁻⁶ /°C and optical homogeneity up to Δn ≤ 1 × 10⁻⁶, Suprasil 1 is suitable for precision components that require stable UV transmission, low impurity levels and reliable performance under thermal or optical stress.
We supply customized Heraeus® Suprasil 1 fused silica components according to drawings, dimensions, thickness, surface quality and application requirements. Typical products include photolithography optics, semiconductor process windows, 193 nm / 248 nm excimer laser optics, UV lenses, prisms, optical windows, mirrors, spectroscopy components and other precision fused silica parts for optical and industrial projects.