This is a G311203400 10 mm Dia. UVFS Double-Convex Lens, with a effective focal length (EFL) of 10mm, sourced from Qioptiq Photonics. The lens is a spherical design, featuring a symmetric convex-convex shape, and has a base shape of a circle.
The lens has a diameter of 10mm, with a center thickness of 4mm and an edge thickness of 1.2mm. The front and back of the lens are coated with Qio Silver RAGV 45, providing optimal performance for the specified wavelength of 355nm.
The lens is made of UVFS material with the Mal-1965 ID. The inner and outer radii of the lens are 0mm, indicating a uniform curvature. This lens is currently in stock and available for purchase on the Qioptiq Photonics website.