LB4972-B UV Fused Silica Bi-Convex Lens; Dia:2 in; f=250.0 mm ARC 650-1050nm

The LB4972-B is a UV Fused Silica Bi-Convex Lens, a high-quality optical component designed for use in a wide range of applications. This lens, sourced from the reputable vendor Thorlabs, boasts a diameter of 2 inches (50.8 mm) and a focal length of 250.0 mm, making it a versatile choice for many optical systems.

The lens is constructed from UV Fused Silica, a material known for its excellent transmission properties across a broad spectrum, particularly in the ultraviolet range. This makes the LB4972-B an ideal choice for applications that require high-transmission optics in the UV region.

The lens features a Spherical shape, with radii of curvature of 229.1 mm for both the front and back surfaces. This Bi-Convex design helps to minimize spherical aberration, ensuring optimal image quality. The lens has a center thickness of 5.8 mm and an edge thickness of 3 mm, providing robustness and durability.

The LB4972-B is coated with Thorlabs' BBAR coating on both the front and back surfaces. This Anti-Reflective Coating (ARC) is designed to reduce surface reflections, enhancing the lens's transmission and improving overall system performance. The coating is optimized for the 650-1050 nm range, making it suitable for near-infrared (NIR) applications.