The SiC tag covers silicon carbide optics more broadly, including mirrors and potentially other components made from this advanced ceramic material. Articles in this tag emphasize SiC’s combination of low density, high stiffness, and favorable thermal properties, which make it ideal for lightweight, thermally stable optics in space and aerospace platforms. Readers see how SiC is used in large primary mirrors, secondary and tertiary elements, and structural components that support optical assemblies. Topics may include design optimization with AI tools, lightweighting patterns, and metrology challenges in verifying complex SiC structures. For engineers and program managers, these resources provide an overview of when to choose SiC over traditional optical materials and how it helps meet aggressive mass, stability, and performance targets. They also highlight Avantier’s role in supporting the full lifecycle of SiC optical projects.