Knowledge

If you hold two pieces of quartz glass side by side, you cannot tell them apart.Same color. Same clarity. Same chemical formula: SiO₂.But shine a 193nm deep-UV laser through one of them, and it passes straight through. Shine the same laser through the other, and it's completely absorbed before it even reaches...

If you've ever tried to get a suntan through a window, you already know the answer intuitively: ordinary glass blocks UV light. But swap that window for quartz glass, and UV passes straight through. Both materials are transparent to the eye, both are based on silicon dioxide, and both look nearly identical...

If you've worked on semiconductor fabrication equipment, high-precision optical systems, or industrial furnaces, you've almost certainly encountered quartz glass. It looks deceptively simple—clear, smooth, unremarkable at first glance—but its performance under extreme conditions is anything but ordinary. Quartz glass is one of the most thermally stable, chemically resistant, and optically pure materials...