This is a 091-3115R-150 12.7 mm Dia. UVFS Protected Aluminium Spherical Plano-Concave Mirror, with a thickness of 6mm and a central wavelength of 300nm. The mirror is sourced from the reputable vendor, EKSMA Optics, and is currently in stock.
The mirror is a curved type, specifically concave, and is based on a circular geometry. It has a diameter of 12.7 mm and a thickness edge of 6 mm. The effective focal length (EFL) of the mirror is -75, and the radius of curvature (R1) is -150.
The mirror is made of UVFS Mal- 1965 material, which is a type of aluminium. The front surface of the mirror is coated with EKS 0015protal 3000, a specific coating that enhances its performance.
The mirror's shape is spherical, making it suitable for a wide range of optical applications. For more information about this product, please refer to the vendor's website at https://eksmaoptics.com/optical-components/metallic-mirrors/protected-aluminium-mirrors/.