This is a 091-0130R-400 Protected Gold Spherical Plano-Concave 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 edge. It is designed for use with a wavelength of 900 nm and features a spherical geometry with a radius of curvature (R1) of -400 mm, resulting in an effective focal length (EFL) of -200 mm.
The mirror is made of N-BK7 Schott, a popular optical glass known for its excellent optical properties and wide transmission range. The front surface of the mirror is coated with EKS 0030protgold900, a protected gold coating that provides high reflectivity in the infrared region of the spectrum. This coating ensures optimal performance and durability, making the mirror suitable for various applications in the optical industry.
For more information about this product, including pricing and availability, please refer to the vendor's website at https://eksmaoptics.com/optical-components/metallic-mirrors/protected-gold-mirrors/.