This 12mm diameter x 18mm focal length laser grade plano-convex lens, model 67-969, is a high-quality optical component designed for use with 1064nm wavelength lasers. Sourced from the reputable vendor Edmund Optics, this lens boasts a laser-grade coating, ensuring optimal performance and durability.
The lens is spherical in shape, with a base shape of circular and a plano-convex design. The geometry of the lens includes a 12mm diameter, a 1.41mm edge thickness, and a 4mm center thickness. The effective focal length (EFL) is 18mm, and the radius of curvature (R1) is 8.25mm. The back focal length (BFL) is 15.23mm, and both the inner and outer radii are 0mm.
The lens is made from fused silica material, identified as fused sil mal-1965 in the item data. This material is known for its excellent optical properties, making it ideal for use in laser applications. The lens features a front and back coating of edm las v-coat 1064, further enhancing its performance and longevity.