The 38-389 is a Plano-Convex Lens, a type of spherical lens, with a diameter of 9.0mm and a focal length of 10mm. This lens is sourced from Edmund Optics, a renowned vendor in the optical industry, and is currently in stock. The lens is designed for use in the Near-Infrared II (NIR II) spectrum, specifically for wavelengths between 750nm and 1550nm.
The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The geometry of the lens includes an edge thickness of 1.48mm and a center thickness of 1.6mm. The effective focal length (EFL) is 72mm, and the radius of curvature (R1) is 37.22mm. The back focal length (BFL) is 70.97mm, and both the inner and outer radii are 0mm.
The lens features a standard NIR II coating on both the front and back surfaces. This coating, denoted as 'edm nir-ii std curve', is designed to optimize the lens' performance in the NIR II spectrum. The lens is circular in base shape, making it suitable for a wide range of optical applications.