This is a high-quality double-convex lens, designed for use with lasers operating at a wavelength of 1064nm. The lens is sourced from the reputable vendor MKS/Newport, and it boasts a comprehensive AR-33 coating on both the front and back surfaces, ensuring optimal performance and durability.
The lens has a base shape of a circle, with a diameter of 25.4mm. The edge thickness is 3mm, while the center thickness is 4.047mm. The effective focal length (EFL) of the lens is 150mm, making it suitable for a wide range of applications. The first radius of curvature (R1) is 154.353mm, and the second radius (R2) is -154.353mm, indicating a double-convex design. The back focal length (BFL) is 148.66mm.
The lens is made from n-BK7 Schott, a high-grade optical material known for its excellent optical properties. The material has an Abbe number of 64.17 and a refractive index of 1.5168 at 589nm. This makes the lens suitable for use in a variety of optical systems, including laser applications, interferometry, and imaging systems.