This is a 69-368 Plano-Convex Lens, a high-quality optical component sourced from Edmund Optics. The lens has a diameter of 6.0mm and a focal length of 36.0mm, making it suitable for a wide range of applications.
The lens is made from n-BK7 Schott, a popular optical glass known for its excellent optical properties and versatility. The base shape of the lens is circular, and it features a plano-convex geometry, meaning one side is flat (plano) and the other side is curved (convex).
The lens has a thickness of 1.36mm at the edge and 1.6mm at the center. The effective focal length (EFL) is 36.0mm, and the radius of curvature (R1) is 18.61mm. The back focal length (BFL) is 34.95mm, and both the inner and outer radii are 0mm.
The lens is coated with Edmund Optics' Las V-Coat 532, a broadband anti-reflection coating designed for use with 532nm lasers. This coating reduces surface reflections and increases transmission, enhancing the performance of the lens in laser applications.