The G312257329 is a Plano-Convex lens with a diameter of 12.5 mm, sourced from Qioptiq Photonics. This lens is specifically designed for use with a wavelength of 355 nm and features a fused silica material, identified as UVFS Mal- 1965. The lens has an effective focal length (EFL) of 20 mm, making it suitable for a range of optical applications.
The lens's geometry includes a thickness edge of 1.3 mm and a thickness center of 3.5 mm. The front and back of the lens are coated with Qio HP Nbar Arhs-Yag, providing enhanced performance and durability. The lens's shape is spherical, and it does not have any inner or outer radius specified.
The lens is currently in stock and available for purchase on the Qioptiq Photonics website. For more detailed information, you can refer to the product's webpage at https://www.qioptiq-shop.com/en/Precision-Optics/Singlets/Plano-Convex-Lenses/Plano-convex-lenses-unmounted-fused-silica.html.