These metallic mirrors, crafted with a base of high-quality fused silica, are ideal for applications requiring exceptional thermal stability and minimal thermal distortion. They feature reflective coatings such as protected aluminum, silver, and gold, with surface flatness options ranging from lambda/4 to lambda/8, ensuring precision in optical performance. Suppliers like Henan UM Optics Ltd and Langjie-optics Inc provide a range of shapes including round, rectangle, and custom designs to meet specific project needs. On FindLight, buyers can compare technical specifications, request pricing, and connect directly with manufacturers without the need for registration.