This is a Protected Gold 50A 90° Off-Axis Mirror, sourced from the renowned optical vendor, Edmund Optics. The mirror, with a diameter of 12.7mm and an effective focal length of 101.6mm, is designed for use in a wide range of optical systems.
The mirror's off-axis angle is 90°, making it suitable for applications that require off-axis reflectivity. The mirror's geometry also includes a parabolic shape with a radius of curvature of 101.6mm and an aperture of 19.05mm.
The mirror is made from N-BK7 Schott, a popular optical glass known for its excellent optical properties and durability. The coating on the front surface is Edmund Optics' proprietary protected gold coating, designed to provide high reflectivity in the 700-10000nm wavelength range. This coating ensures optimal performance in infrared applications.