This is a UVFS Protected Silver Plano-Concave Spherical Mirror, sourced from the reputable vendor, EKSMA Optics. The mirror has a diameter of 50.8 mm and a thickness of 10 mm at the edge. It is designed with a concave base shape and a spherical geometry, featuring an effective focal length (EFL) of -750 mm and a radius of curvature (R1) of -1500 mm.
The mirror is made of UVFS material, specifically UVFS Mal- 1965, and is coated with EKS 0025protsil 4000 on the front side. It is designed to operate at a wavelength of 400 nm. This mirror is a versatile component, suitable for a wide range of optical applications.
Please note that the link provided leads to the vendor's website where you can find more information about this product and its availability.