This is a 76.2 mm diameter curved mirror with a concave base shape, sourced from the reputable vendor EKSMA Optics. The mirror's geometry is defined by a thickness of 12.7 mm at the edge and a focal length of -300 mm, making it a plano-concave spherical mirror.
The mirror is made of N-BK7 Schott, a popular optical glass known for its excellent optical properties and wide transmission range. This particular mirror is designed to operate within the wavelength range of 600-1100 nm.
The mirror's surface is coated with EKSMA's enhanced silver coating, designated as 'eks enhsil600110045'. This coating is specifically designed for use in the 600-1100 nm wavelength range, ensuring high reflectivity and durability.
For more information, including availability and pricing, please refer to the vendor's website at https://eksmaoptics.com/optical-components/metallic-mirrors/enhanced-silver-mirrors/. The link has been verified and the product is currently in stock.