LB4553-B UV Fused Silica Bi-Convex Lens; Dia:2 in; f=75.0 mm ARC 650-1050nm

The LB4553-B is a high-quality bi-convex lens made from UV fused silica, a material renowned for its excellent transmission properties and resistance to thermal shock. This lens, with a diameter of 2 inches and a focal length of 75.0 mm, is designed for use in the ARC 650-1050nm range, making it suitable for a wide range of applications in the visible and near-infrared spectrum.

The lens features a base shape of a circle, with a thickness at the edge of 2.5 mm and a center thickness of 12.5 mm. The effective focal length (EFL) is 75 mm, and the radii of curvature for the first and second surfaces are 67 mm and -67 mm, respectively. The back focal length (BFL) is 70.6 mm. The lens is spherical in shape, ensuring excellent image quality and low distortion.

The LB4553-B is coated with Thorlabs' BBAR coating on both the front and back surfaces, which significantly reduces surface reflections and enhances transmission in the ARC 650-1050nm range. This coating is designed to maintain high transmission and low reflectivity, making the lens ideal for use in high-performance optical systems.

This lens is available from Thorlabs, a leading vendor in the field of optical components. According to the vendor's website, the lens is currently in stock, ensuring quick delivery and availability for immediate use. The product's webpage also provides additional information and specifications, making it a valuable resource for those considering this lens for their optical systems.