Engineered for high-performance optical and photonics systems, this 330 mm square (≈13 in) × 7.5 mm thick plate of Corning® 7980 fused silica (Grade 0G) provides a large-format, ultra-stable, ultraclean optical substrate. Supplied by Sydor Optics, this Grade 0G substrate meets stringent material homogeneity, low inclusion standards and optical performance criteria required for demanding applications.