This is the G063317329 model from Qioptiq Photonics, a 22.4 mm diameter UVFS mounted double-convex lens designed for use with a 355 nm wavelength. The lens boasts an effective focal length (EFL) of 30mm, making it suitable for a variety of optical applications.
The lens is constructed with a symmetric convex-convex geometry, featuring a 1.5mm thickness at the edge and a 6mm thickness at the center. The inner and outer radii are 0mm, and the radii of curvature are 29.007mm for both the front and back surfaces.
The lens is made from UVFS material, identified as "uvfs mal- 1965" in the item data. It is coated with Qio HP Nbar Arhs-Yag on both the front and back surfaces, enhancing its performance and durability.
This lens is currently in stock and available for purchase on the Qioptiq Photonics website. For more detailed information, you can refer to the product page at https://www.qioptiq-shop.com/en/Precision-Optics/Singlets/Symmetric-Convex-Lenses/Symmetric-convex-lenses-mounted-fused-silica.html.