This ultra-thin plate of Corning 7980 fused silica (Grade 5G) measures 126.62 mm square by 1.00 mm thick, and is ideal for precision optics, laser systems, micro-optics platforms and instrumentation where minimal thickness, high clarity and strict metrology matter. Supplied by Sydor Optics of Rochester, NY, this substrate is laser-cut and optically finished to support advanced application requirements.