This is the G063050331 model from Qioptiq Photonics, a 22.4 mm diameter Plano-Convex lens with a mounted UVFS. The lens has an effective focal length (EFL) of 40mm, making it suitable for a wide range of optical applications.
The lens geometry is characterized by a thickness of 1.5mm at the edge and 5mm at the center. The front surface of the lens has a radius of curvature (R1) of 19.668mm, while the inner and outer radii are both zero. This specific lens is made from UVFS material with a Mal-1965 ID.
The lens is designed to operate at a wavelength of 355nm. It comes with a Qio AL RALVIS AOI 45 coating on both the front and back surfaces, enhancing its performance and durability. The lens shape is spherical, a common choice for its ease of manufacturing and versatility in optical systems.
According to the vendor's information, this item is currently in stock and can be purchased directly from the Qioptiq Photonics website. The link to the product page is provided for your convenience.