These plano-concave spherical mirrors are essential for applications requiring precise beam focusing and reflection, such as in ultrafast laser systems and Er:YAG laser setups. They are characterized by a high surface quality with scratch-dig specifications ranging from 10-5 to 40-20 and surface irregularity up to lambda/10. Suppliers like Optoman offer these mirrors with substrates made from UV Fused Silica, ensuring optimal performance and durability. On FindLight, buyers can compare technical specifications, request pricing, and connect directly with manufacturers.