This is a high-quality mirror from OptoSigma, specifically designed for applications that require a high surface flatness and a specific wavelength. The mirror, with a diameter of 25.4 mm and a thickness of 8 mm, is mounted and made of UVFS material with the ID MAL-1965.
The mirror's coating is a dielectric multi-layer, optimized for a wavelength of 248 nm and an angle of incidence of 45 degrees, as indicated by the coating notation 'opt htfm-248 aoi 45'. This coating ensures high reflectivity and durability, making it suitable for various applications in fields such as spectroscopy, interferometry, and laser technology.
The mirror's geometry is that of a thin lens, and it is currently in stock, as indicated by its web link status. For more detailed information, you can refer to the vendor's website through the provided weblink.