The LA7673-E3 is a 12.7 mm diameter Plano-Convex lens made of ZnSe (Zinc Selenide) material, sourced from Thorlabs. This lens is designed for use with a wavelength of 10600 nm and features a focal length (EFL) of 40 mm, making it suitable for applications that require a longer focal length.
The lens has a front coating of tho e3znsearc7000120 and a back coating of the same, ensuring high transmission and durability. The edge thickness of the lens is 2 mm, while the center thickness is 2.4 mm, providing a good balance between weight and optical performance.
The lens's geometry is spherical, with a radius of curvature (R1) of 56.1 mm for the convex surface. The inner and outer radii are 0 mm, indicating a simple, straightforward design. The lens is circular in shape, allowing for versatile mounting and alignment options.
The vendor, Thorlabs, indicates that this item is in stock on their website, ensuring quick delivery for your optical system needs. The item's web links are provided for easy reference and further information.