This is a 091-0215R+300 Protected Aluminium Spherical Plano-Convex Mirror, sourced from EKSMA Optics. The mirror has a circular base shape with a diameter of 12.7 mm and a thickness of 6 mm at the center. It is designed to work at a wavelength of 300 nm.
The mirror's geometry is spherical, with a radius of curvature (R1) of 300 mm. This results in an effective focal length (EFL) of 150 mm. The mirror is made of N-BK7 Schott, a popular optical glass known for its excellent optical properties.
The mirror's coating is EKS 0015PROTAL 3000 on the front side. This coating is designed to protect the aluminium surface, enhancing the mirror's durability and longevity. The mirror is currently in stock and available for immediate purchase.
For more information, including pricing and availability, please refer to the vendor's website at https://eksmaoptics.com/optical-components/metallic-mirrors/protected-aluminium-mirrors/.