This is a mounted plano-convex lens, type G063042329, from Qioptiq Photonics. The lens has a diameter of 18 mm and an effective focal length (EFL) of 30 mm, specifically designed for a wavelength of 1064 nm.
The lens is made of N-BK7, a popular optical glass from Schott, known for its excellent optical properties. The lens's geometry includes a thickness of 1.7 mm at the edge and 4.5 mm at the center. The front surface has a radius of curvature of 15.735 mm, while the back surface is planar.
The lens is coated with Qio HP Nbar ARHS-YAG on both the front and back surfaces, providing anti-reflection properties. This coating is particularly useful for high-power laser applications in the infrared spectrum.
The lens is mounted, making it ready for immediate use in various applications. The provided web link leads to the product page on Qioptiq's website, where users can find more information and check the current availability of the lens.