This is a G312255525 8 mm Dia. UVFS Plano-Convex Lens, specifically designed for use in the ultraviolet to near-infrared spectrum, with a wavelength of 355 nm. This lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is of the Spherical Lens (Plano-Convex) subtype, featuring a base shape that is circular. The geometry of the lens includes a diameter of 8 mm, a thickness at the edge of 1 mm, and a thickness at the center of 2.4 mm. The effective focal length (EFL) of this lens is 12.5 mm. The lens's front and back surfaces have been coated with Qio Bbar Arb2nirnbk7, a broadband anti-reflection coating that enhances transmission and reduces surface reflections.
The lens is made from UVFS, a material with the material ID "uvfs mal- 1965". This material is known for its excellent transparency in the ultraviolet to near-infrared range. The lens does not have any inner or outer radius, indicating it is a simple plano-convex lens.
According to the provided item data, this lens is currently in stock and can be purchased from the Qioptiq Photonics website. The link to the product page is provided for your convenience.