This is a TFMS-30C05-4/11 30 mm Dia. N-BK7 Ultra Broadband Mirror, a high-quality optical component designed for a wide range of applications. The mirror is sourced from OptoSigma, a renowned vendor in the optical industry, and is currently in stock, as indicated by its valid weblink status.
The mirror is a circular dielectric mirror with a diameter of 30 mm and a thickness of 5 mm. It is made of N-BK7, a type of glass manufactured by Schott, which is known for its excellent optical properties. This mirror is specifically designed for use in the ultraviolet, visible, and near-infrared regions of the spectrum, with a wavelength range of 400-1100 nm.
The mirror's coating is a dielectric multi-layer coating, which is optimized for the wavelength range of 400-1100 nm. This coating is applied to the front surface of the mirror, as indicated in the item data. The coating provides high reflectivity and durability, making this mirror suitable for a wide range of applications.
The mirror is classified as a thin lens, indicating that its thickness is significantly less than its diameter. This design feature contributes to the mirror's high performance and versatility.