This is a 092-0125FR-750 25.4 mm Dia. N-BK7 Enhanced Silver Plano-Concave Spherical Mirror, a high-quality optical component sourced from EKSMA Optics. The mirror has a base shape of a circle with a diameter of 25.4 mm and a thickness edge of 6 mm.
The mirror's geometry is spherical, with a radius of curvature (R1) of -750 mm, resulting in a focal length (EFL) of -375 mm. This concave mirror is designed to focus light to a single point, making it ideal for various applications in optical systems.
The mirror is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties and wide transmission range. This mirror is specifically designed for use in the wavelength range of 600-1100 nm.
The front surface of the mirror is coated with EKSMA's enhanced silver coating, denoted as 'eks enhsil600110045'. This coating provides high reflectivity in the specified wavelength range, enhancing the mirror's performance in its intended application.