The LC5749-E is a Plano-Concave Spherical Lens with a 12.7 mm diameter, manufactured by Thorlabs. This lens is designed for use with a wavelength of 588 nm and features a Center Thickness of 2.5 mm and an Effective Focal Length (EFL) of -25 mm. The Inner and Outer Radius are both 0 mm, and the lens is made from CaF2 (Calcium Fluoride) material with the Mal-1963 index.
The lens is coated with tho ecaf2arc20005000 on both the front and back surfaces, providing excellent anti-reflection properties. This coating is designed to reduce surface reflections and increase transmission, making it ideal for high-power laser applications.
The lens is available in stock and can be purchased directly from the vendor's website. The detailed specifications and additional information about the lens can be found at https://www.thorlabs.com/thorproduct.cfm?partnumber=LC5749-E.