357610-B 6.325 mm Dia. D-LAK6 Molded Glass Aspheric Lenses; EFL=4 mm; NA=0.62 AR 600-1050nm

The 357610-B is a high-quality aspheric lens, precision-molded from D-LAK6 glass, a material known for its excellent optical properties. This lens boasts a 6.325 mm diameter and a center thickness of 2.953 mm, making it suitable for a wide range of applications. The lens has a focal length of 4 mm (EFL), providing a tight focus for imaging or beam manipulation tasks.

The lens's design includes a front surface with a radius of curvature of 0 mm and a back surface with a radius of curvature of -2.843569 mm. This unique curvature profile allows for superior optical performance, reducing spherical aberration and improving image quality. The lens's numerical aperture (NA) is 0.62, indicating a wide acceptance angle and high light-gathering capability.

The 357610-B is coated with a broadband anti-reflective coating, optimized for the 600-1050 nm range. This coating reduces surface reflections, enhancing transmission and improving overall system performance. The lens is available from Thorlabs, a leading vendor in the optical components industry, and is currently in stock, ensuring quick delivery.