This is a G311203322 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 structure, 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 inner and outer radii are both 0mm, and the curvature radii are 9.578mm for both the front and back surfaces.
The lens is made from UVFS material, specifically identified as "uvfs mal- 1965". It is designed to operate at a wavelength of 355nm. The lens comes with a coating on both the front and back surfaces, specifically "qio bbar arb2visnbk7".
This lens is currently in stock and available for purchase. More information, including pricing and shipping details, can be found on the Qioptiq Photonics website at the following link: https://www.qioptiq-shop.com/en/Precision-Optics/Singlets/Symmetric-Convex-Lenses/Symmetric-convex-lenses-unmounted-fused-silica.html