This is a G312415329 Plano-Convex Lens, sourced from the renowned optical components manufacturer, Qioptiq Photonics. The lens, which has a base shape of a circle, is designed for use with a wavelength of 355nm and is available for purchase from the Qioptiq Photonics online store.
The lens is characterized by its 31.5mm diameter and a thickness of 2mm at the edge, increasing to 4.5mm at the center. It boasts an effective focal length (EFL) of 100mm and a radius of curvature (R1) of 50.841mm. The lens is made from UVFS material with the Mal-1965 ID, and it is unmounted and fused silica.
The G312415329 lens features a coating on both the front and back surfaces. This coating, identified as Qio HP Nbar Arhs-Yag, is designed to enhance the lens' performance and durability. The lens' shape is spherical, a common design for optical lenses due to its ease of manufacturing and high optical quality.
The lens' current status is "in stock", as indicated by its weblink. This information is valid as of the time of writing, and potential buyers are encouraged to visit the provided weblink for the most up-to-date information on the lens' availability.