This is a PLCC-25.4-515.1-UV, a 25.4 mm diameter Plano-Concave Spherical Lens, specifically designed for UVFS (UV Fused Silica) Laser Grade applications. The lens is manufactured by CVI Laser Optics, a renowned vendor in the optical industry.
The lens features a concave radius of curvature of -515.1 mm, an effective focal length (EFL) of -1000 mm, and a center thickness of 2 mm. The base shape is circular, and the lens is uncoated. The lens material is UVFS, which is known for its excellent transmittance in the UV region.
The lens is designed to operate at a wavelength of 588 nm. The geometry of the lens is spherical, and it does not have any inner or outer radii. The lens is sourced from CVI Laser Optics and is currently in stock.
For more detailed specifications, please refer to the vendor's catalog, which can be found at https://www.idexot.com/media/wysiwyg/cms-pages/pdf/2-Spherical_Lenses.pdf.