The 67-956 is a laser grade plano-convex lens, boasting a diameter of 25mm and a focal length of 100mm, specifically designed for use with a wavelength of 355nm. This lens is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is spherical in shape, with a base shape of circular. The geometry of the lens is meticulously crafted, with an edge thickness of 2.05mm and a center thickness of 3.79mm. The effective focal length (EFL) is 100mm, and the radius of curvature (R1) is 45.85mm. The back focal length (BFL) is 97.4mm, and both the inner and outer radii are 0mm.
The lens is constructed from fused silica material, identified as mal-1965 in the item data. This material is known for its excellent optical properties, making it suitable for a wide range of applications.
The lens features a laser V-coat coating on both the front and back, specifically designed for use with a 355nm wavelength. This coating enhances the lens' performance in laser applications, ensuring optimal light transmission and reducing unwanted reflections.