This product is a curved mirror, specifically a concave mirror, offered by EKSMA Optics. It features a base shape of a circle with a diameter of 12.7 mm and a thickness edge of 6 mm. The mirror has an effective focal length (EFL) of -150 mm and a radius of curvature (R1) of -300 mm.
The mirror is made from UVFS material with the ID 1965. It is designed to operate at a wavelength of 800 nm. The front surface of the mirror is coated with "eks enhsil600110045", which is an enhanced silver coating suitable for the wavelength range of 600-1100 nm.
This mirror, with its spherical shape, is part of the metallic mirrors category on the EKSMA Optics website, where it is currently in stock. The link to the product page is provided for your convenience.