This is a 091-3225R+150 12.7 mm Dia.UVFS Protected Silver Plano-Convex Spherical Mirror, a high-quality optical component sourced from EKSMA Optics. The mirror has a base shape of a circle with a diameter of 12.7 mm and a thickness at the center of 6 mm. It is designed with a spherical geometry, featuring a radius of curvature (R1) of 150 mm, and an effective focal length (EFL) of 75 mm.
The mirror is made from UVFS material with a Mal-1965 ID. It is coated with a front coating of EKS 0025protsil 4000, which is a protected silver coating. This mirror is designed to operate at a wavelength of 400 nm.
The mirror is currently in stock and available for purchase. For more information, please refer to the vendor's website at https://eksmaoptics.com/optical-components/metallic-mirrors/protected-silver-mirrors/.