AL108-A 10 mm Dia. S-LAH64 High-Precision; CNC Polished Aspheric Lenses; EFL=8 mm; NA=0.55 AR 350-700nm

The AL108-A is a high-precision aspheric lens, meticulously crafted by Thorlabs. This lens boasts a 10 mm diameter and is constructed from S-LAH64, a material renowned for its exceptional optical properties. The lens is designed for use with a wavelength of 780 nm, making it suitable for a wide range of applications.

The lens's geometry is a notable feature, with an inner radius of 0 and an outer radius of 0, ensuring optimal light transmission. The lens's thickness at the edge is 1.6 mm, while the effective focal length (EFL) is 8 mm, providing a compact and efficient optical solution. The lens's front surface curvature is defined by a radius of 6.215 mm, while the back surface is flat. The center thickness is 3.7 mm, contributing to the lens's overall robustness and durability.

The AL108-A's aspheric design, with coefficients k1, k2, a2, a4, a6, a8, a10, and a12, ensures superior optical performance, minimizing spherical aberration and delivering sharp, clear images. The lens's numerical aperture (NA) is 0.55, indicating a wide acceptance angle and high light-gathering capability.

The lens is coated with a broadband anti-reflective (AR) coating, optimized for the 350-700 nm range. This coating reduces surface reflections, enhancing the lens's transmission and overall performance. The lens's shape is aspheric, further enhancing its optical performance by minimizing aberrations and distortions.