This is a 091-3125R-2000 12.7 mm Dia. UVFS Protected Silver Plano-Concave Spherical Mirror with a thickness of 6mm and a central wavelength of 400nm. The mirror is sourced from the reputable vendor, EKSMA Optics, and is currently in stock.
The mirror is a curved type, specifically concave, with a base shape of a circle. It has a diameter of 12.7mm and a thickness edge of 6mm. The effective focal length (EFL) is -1000mm, and the radius of curvature (R1) is -2000mm, indicating a strongly converging mirror.
The mirror is made of UVFS material with the ID 1965. The front surface of the mirror is coated with EKS 0025protsil 4000, a protected silver coating that enhances the mirror's reflectivity and durability. The mirror's shape is spherical, ensuring a consistent curvature across the entire surface.
For more information about this mirror, including pricing and availability, please refer to the vendor's website at https://eksmaoptics.com/optical-components/metallic-mirrors/protected-silver-mirrors/.