The LA8023-E is a Spherical Lens (Plano-Convex) with a circular base shape, sourced from Thorlabs. This lens boasts a diameter of 25.4 mm and a thickness ranging from 2 mm at the edge to 2.1 mm at the center. The Effective Focal Length (EFL) is 500mm, designed for use with a wavelength of 4000 nm.
The lens is crafted from Silicon, specifically Silicon Sal Vil 1957, and features a coating on both the front and back surfaces. The coating, identified as tho esiarc20005000, is designed to enhance the lens' performance within the specified wavelength range.
The lens' geometry is spherical, with an inner radius of 0 and an outer radius of 0, indicating a plano-convex design. The lens is currently in stock and available for immediate purchase through the provided weblink.